BIOLOGY 418 qts/ans 3/9/24

                                        BIOLOGY

 

1. The content of water is greater than fats, in the plasma, proteins are more than fats and fats less than plasma. Which constitutes the major part of the human body?

a)      Fats

b)      Water

c)       Plasma

d)      Proteins

Ans: b

 

2. Pulse reading is done by doctors to find out

a)    Temperature

b)    Heart beat

c)    Blood pressure

d)   Respiration rate

Ans

3. After how many days rash appears on the body after the attack of Measles?

a)      One day

b)      Four days

c)       Six days

d)      One week

Ans: d

 

4. The Vitamin responsible for anti – sterile activity is

a)    Vitamin A

b)    Vitamin B

c)    Vitamin C

d)   Vitamin E

Ans: d

 

5. It is not advisable to sleep under tree at night because of the

a)       Release of oxygen in lesser amount

b)      Release of oxygen in larger amount

c)       Release of carbon monoxide

d)       Release of carbon dioxide

Ans: d

 

6. Higher plants take up nitrogen as

a)      Nitrites only

b)     Nitrates only

c)    Nitrates and ammonia

d)     Urea

Ans: c

 

7. Green plants in the sea are useful for the respiration of fish because

a)      They give out oxygen

b)      They give out carbon dioxide

c)       The give out oxygen and carbon dioxide simultaneously

d)       They take oxygen and give out carbon dioxide

Ans: a

 

8. Strips on the back the animals are the indication of

a)      Mating habit

b)      Food habit

c)       Cave dwelling

d)      Matching of skin color with surroundings

Ans: d

 

9. Which of the following is a balanced fertilizer for plants?

a)       Urea

b)      Ammonia sulphate

c)      Nitrates

d)     Compost

Ans: d

 

10. Which of the following is not immunised by ‘Triple Antigen’?

a)      Typhoid

b)      Whooping cough

c)      Tetanus

d)      Diphtheria

Ans: a

 

11. Milk fever in cows occurs due to the lack of

a)      Phosphates

b)      Calcium

c)       Iron

d)      Iodine

Ans: b

 

12. After hatching by the hen, the young chicks come out of eggs within

a)      One weeks

b)      Two weeks

c)       Three weeks

d)      Four weeks

Ans: c

 

 

13. Which one of the following is a fast growing tree?

a)       Teak

b)       Eucalyptus

c)        Banyan

d)        Coconut

Ans: b

 

14. Decrease in white blood cells results in

a)       Decrease in Antibodies

b)       Increase in Antigens

c) )      Increase in Antibodies

d)        No change

Ans: b

 

15. In India people suffer from Anemia due to lack of

a)      Iron

b)      Iodine

c)       Calcuiam

d)      Potassium

Ans: a

 

16. Reserpine derived from the plant ‘Serpentina’ is used to

a)      Alleviate pains

b)      Alleviate high blood pressure

c)      Alleviate low blood pressure

d)     Cure rickets

Ans: c

 

17. In India it is found recently that incidences of Malaria is increasing because

a)      The mosquitos have become DDT resistant

b)      Of poverty in villages

c)      Of poor sanitary conditions

d)      On account of increase in population it has become impossible to maintain cleanliness every where

Ans: a

 

18. Less dew is formed on cloudy with nights because

a)       Clouds absorb the falling dew

b)       Clouds scatter moisture

c)       Cloudy nights the radiation take place very slowly

d)      In cloudy nights the radiation takes places very quickly

Ans: d

 

19. Feeding of milk cattle with cotton seeds

a)    Increases fat content temporarily

b)    Decreases fat content temporarily

c)    May decrease or increase fat content

d)    Causes no change in fat content

Ans: a

 

20. Mouth and foot diseases in cattle are caused due to

a)       Bacteria

b)       Virus

c)      Fungi

d)     Pencillium

Ans: b

 

21. A body partially floats water when

a)      The volume of the displaced liquid is equal to the volume of the body

b)      The volume of the displaced liquid greater than the volume of the body

c)       The weight  of the displaced water is equal to the weight of the body

d)      The weight of the displaced water is greater than the weight of the body

Ans: a

 

22. Permanent hardness of water cannot be removed by

a)      Boiling

b)      Adding caustic soda

c)       Distillation

d)      Adding soda

Ans: a

 

23. In summer, man with excess perspiration feels weak, because of the

a)       Loss of more water through evaporation

b)     Loss of slats through evaporation

c)      Loss of slats carbohydrates through evaporation

d)      All factors mentioned above

Ans: d

 

24. The two branches of plant give two different fruits: tomatoes and brinjals. This can be explained

a)       By hybridsation

b)       By grafting one with the other

c)        By nature’s freak

d)      By (a) or (c) mentioned above

Ans: b

 

25. The function of the liver is to

a)      Promote digestion of food

b)      Promote respiration

c)       Store glucose as glycogen

d)      None of these

Ans: d

 

26. Which of the following can be said as the “Theory of Darwin”?

a)      Survival of the fittest and struggle for existence

b)      Weak and strong always maintain a fixed proportion

c)       Different species do not arise genetic mutation

d)      None of the these

Ans: a

 

27. The tern ‘Test Tube Baby’ implies

a)     Fertilisation of ovum takes places in the test tube but it develops in uterus

b)     Fertilisation of ovum takes places in the test tube and develops in the test tube itself

c)     Fertilistion of the ovum takes places in the uterus but develops in the tube

d)   Fertilisation takes places in uterus and embryo develops in uterus

Ans: a

 

28.  Decompositions of organic matter is due to

a)      Virus

b)      Fungi

c)       Bacteria

d)      None of the these

Ans: c

 

29. Carbohydrates, proteins and vitamins which are responsible for energy, growth and vitality are obtained respectively from

a)      Cereals, milk and vegetables

b)      Milk, pulses and cereals

c)       Milk, pulses and vegetables

d)      Pulses, vegetables and cereals

Ans: a

 

30. The growth of seeding plants after transplantation will not always be proper because

a)      New soil may not contain the required minerals

b)      During transplantation root hairs get damaged

c)       Roots cannot penetrate deep into the soil

d)      Of all factors stated above

Ans: d

 

31. BCG Vaccination is to given to a new born child

a)     a)  Immediately after birth

b)    b)   Within 48 days

c)      c)  Within seven days

d)     d)  Within six months

Ans: c

 

32. Which of the following cows gives maximum milk yield?

a)      Jersey

b)      Holstein

c)       Red Sindhi

d)      Sahiwal

Ans:  b

 

( 1980)

33. Another name of vitamin C is

a)      Folic acid

b)      Ascorbic acid

c)       Niacin

d)      Acetic acid

Ans: b

 

34. Dialysis is used for a patient suffering from

a)      Kidney trouble

b)      Liver trouble

c)       Lung trouble

d)      Heart trouble

Ans: a

 

35. Green colour of plants is due to the presence of

a)      Chlorophyll II

b)      Sugar

c)     Mitochondria

d)      Xylem

Ans: a

 

36. The deficiency of vitamin D causes

a)      Rickets

b)      Night blandness

c)       Pellagra

d)      Scurvy

Ans: a

 

37. During processing and cooking which part of food is mostly destroyed?

a)    Portis

b)   Vitamins

c)   Carbohydrates

d)  Fats

Ans: a

 

38. Which one of the following is secreted by pancreases and regulates the amount of sugar in the body?

a)     Renin

b)    Creatin

c)    Vitamin

d)    Insulin

Ans: d

 

39. Identical twins are born when

a)      Two sperms fertilize one ovum

b)      Two sperms fertilizes two ovum simultaneously

c)   One sperm fertilize the ovum and zygote divides into two   separate cells developing independently

d)     One sperm fertilizes two ovum

Ans: c

 

40. Conception generally takes place at the times of

a)      Menses

b)      Before menses

c)       Immaedialty after menses

d)      Two weeks after menses

Ans: d

 

41. Why mothers feed the child with Vitamin A?

a)      To prevent rickets

b)      To prevent beri – beri

c)       To prevent night blindness

d)      To prevent polio

Ans: c

 

42. Growing children require comparatively more

a)      Proteins

b)      Carbohydrates

c)      Vitamins

d)      All of these

Ans: a

 

 

43. Heart patients should avoid taking excess of

b)  Fats

c)   Vitamins

d)    Carbohydrates

Ans: b

 

44. How dehydration helps in the preservation of food?

a)           Growth of micro- organism is cheeked

b)          Nutrients are concentrated

c)          Due  to excessive intake of water

Ans: a

 

a)     Because they become rotten easily and spread diseases

b)     Because they are not easily adjustable to new climate

c)     Because insects carried through fruits are dangerous

d)     All of the above

Ans

 

45. How the body temperature is maintained?

a)    Due to temperature regulating mechanism located in the base of the brain

b)    Due  to excessive intake of water

c)     Due to regular intake of foods

d)    Due to the constant flow of blood in the capillaries

Ans: a

 

46. Why the countries are scared to import fruits?

a)    Because they become rotton easily and spread dise

b)    Because they are not easily adjustable to new climate

c)     Because insects carried through fruits are dangerous

d)    All of the above

Ans: c

 

 

47. A person with which blood group will be universal donor?

a)      A

b)      B

c)      O

d)     AB

Ans: c

 

48. Dysentery

a)       Bacteria

b)      Viruses

c)       Bacteria and Viruses respectively

d)      Viruses and Bacteria respectiv

Ans: c

 

 

49. Which organ is associated with the production of insulin in the human body?

a)      Pancreas

b)      Liver

c)      Kidney

d)      Heart

Ans: a

 

 

50. When the rice is boiled, it expands because

a)      The starch gelatinises and swells

b)      The starch gets polymerised

c)       The grains absorb moisture and swell

d)      Sugars break down in the grains

Ans: c

 

 

51. Which of the following is the most common wheat disease in India?

a)     Green ear

b)     Smut

c)      Loose smut

d)      Rust

Ans: d

 

 

52. The sex of the offspring determined, when

a)     The conception takes place

b)     The sperm fertilises the ovum

c)     The embryo is partially developed

d)     The end of gestation period is near

Ans: b

 

 

53. Colour blindness is

a)      More common among women

b)     Very rare in women

c)      Very rare in men

d)      Found to the same extent in both the sexes

Ans: b

 

 

54. What happens when alcohols is taken in excess?

a)       It destroys the liver

b)      It produces inflammation of the stomach

c)       It causes the heart to become weak

d)      All of the above

Ans: d

 

 

55. The deficiency of ---cause’s goitre.

a)      Sulphur

b)      Iodine

c)       Calcium

d)      Vitamin A

Ans: a

 

 

56. Which of the following crops has the highest photosynthetic activity?

a)      Cotton

b)    Sugarcane

c)      Rice

d)     Wheat

Ans: b

 

 

 

57. Flood hit areas are to be immediately given medical cover. Which of the following is the most appropriate step?

a)      BCG injection

b)      Inoculation against Cholera

c)     Smallpox vaccination

d)     None of these

Ans: b

 

 

58. The rich source of iron is

a)      Eggs

b)      Green vegetables

c)      Pulses

d)      Milk

Ans: b

 

 

59. Which among the following acts as a resistance against disease in the body?

a)    Vitamins

b)    Carbohydrates

c)     Red Corpuscles

d)     White Corpuscles

Ans: d

 

 

60. Vitamins do not act as a/an

a)      Source of energy

b)      Stimulant in the growth of the body

c)       Agent in regulating the chemical processes in the body metabolism

d)      All of the above

Ans: a

 

 

61. Which of the following enters human body through skin?

a)      Tape Worn

b)      Hook worm

c)       Ring worm

d)      Thread worm

Ans: c

 

 

62. Honey bees are called social insects because

a)    They visit all flowers to collect nectar

b)    They live among men

c)    They depend for their food upon other members

d)   They move socially with other insects

Ans: c

 

 

63. Milk of the animals fed on grass contains large amount of fat in

a)     Summer

b)     Winter

c)     Spring

d)     Autumn

Ans: a

 

 

64. A universal donor has the blood group belonging  to

a)      A

b)      B

c)      O

d)     AB

Ans: c

 

 

65. Retina in the eyes acts as a --- in the camera

a)      Lens

b)     Shutter

c)     Film

d)     None of the these

Ans: c

 

 

66. Chlorophyll is a/an

a)     Halogen acid

b)     A green pigment found in the plants

c)     A chloro- organic compound

d)     Element

Ans: b

 

 

67. Health hazard floods are responsible for the spread of

a)      Cholera

b)      Malaria

c)      Influenza

d)      Diarrhoea

Ans: a

 

 

68. Hydroponics means

a)      Cultivation of plants without the use of soil

b)      Detection of sound in water

c)      Animals living in water

d)      A Japanese way of flowering

Ans: a

 

 

69. During cardiac failure, which of the flowing is advised as a first aid?

a)      Mouth to mouth resuscitation

b)      Giving external cardiac massage

c)      Giving cool water to drink

d)      Giving complete body massage

Ans: b

 

 

70. Pearls are formed inside

a)      Squids

b)      Snails

c)       Oysters

d)      Molluscs

Ans: c

 

 

71. Dehydration in the human body results due to loss of

a)     Salts

b)     Water

c)     Vitamins

d)     Hormones

Ans: b

 

 

72. Ready sources of energy is available for athletes in

a)      Vitamins

b)      Fats

c)       Proteins

d)      Carbohydrates

Ans:  d

 

 

73. The easiest way of finding out the nutritional status for large number of children in a short times is by

a)      Studying their behavior

b)      Studying their hair, face and eyes

c)       Measuring their height and weight

d)       All of the above

Ans: c

 

 

74. To keep the seeds in good conditions, we should keep it in a place which is

a)      Warm and dry

b)      Warm and wet

c)       Cool and dry

d)       Cool and wet

Ans: c

 

 

75. The best conceiving season for cows and buffaloes is

a)     Summer

b)     Winter

c)      Spring

d)      There is no definite relationship between conceiving and season

Ans: d

 

 

76.  The most preferential poultry feed is

a)     Maize

b)     Barley

c)    Wheat

d)     Rice husk

Ans: a

 

 

77. Age of tree can be estimated by

a)      Counting the number of concentric rings

b)      Counting the nodes and  internodes of the trunk

c)       Measuring the girth of the tree trunk

d)      Counting the number of branches

Ans: a

 

 

78. Turmeric is obtained from which part of the plant?

a)      Fruit

b))     Stem

c)      Root

d)      Flower

Ans: b

 

 

79. The process of light exposure in a 24 – hour cycle that controls the growth and development of certain plants and animals is called?

a)       Photosynthesis

b)      Photoionisation

c)      Photoperiodism

d)      Photoluminescence

Ans: c

 

 

80. In typhoid which of the following drugs is administered?

a)     Chloromycetin

b)      Penicillin

c)     Sulphonamide

d)     Tetracycline

Ans: a

 

 

81. Amoebiasis, malaria and typhoid are diseases due to ameba, malarial parasites and typhoid bacillus which are collectively called

a)   Anthropods

b)   rotozoa

c)      Mollusca

d)      Pisces

Ans: b

 

 

82. Hypochondria is

a)  Disease of eyes

b)  Disease of sexual organs

c)  Disease of low blood pressure

d) State of morbid anxiety about one’s own health with complaint of imaginary disorders

Ans:d

 

 

83. Foot and mouth disease is prevalent among

a)     Cattle only

b)    Cattle and pigs only

c)    Sheep and cattle only

d)     Cattle, goats, sheep and other hoofed animals.

Ans: d

 

 

84. When one enters a dark room, he is not able to see anything but after some time his vision improves. This is because

a)   The retina of the eye forward

b)   The retina of the eye moves backward

c)   The pupil of the eye contracts

d)   The pupil of the eye dilates

Ans: d

 

 

85. The message received by and transmitted from the brain to the various parts of the body take the form of

a)     Nervous impulses

b)     Chemical impulses

c)     Mechanical impulses

d)     Automatic impulses

Ans: a

 

 

86. Gerontology is the study of

a)     Process of ageing

b)     Growth of cells

c)     Birds

d)    Vegetables

Ans: a

 

 

87. Hormones which are necessary for the development of the human body are secrete by

a)      Thyroid gland

b)      Pituitary gland

c)       Parathyroid gland

d)      Exocrine gland

Ans: b

 

 

88. The ductless and secretory glands in the human body are known as

a)      Endocrine glands

b)      Exocrine glands

c)       Salivary glands

d)      None of the above

Ans: a

 

 

89. Fat is stored in the human body in

a)      Muscular tissue

b)      Connective tissue

c)       Adipose tissue

d)      Epithelial tissue

Ans: c

 

 

90. Sugarcane crop matures in about

a)      2 months

b)      4 months

c)       8 months

d)      12 months

Ans: d

 

 

91. Gestation period of a goat is about

a)      150 days

b)      200days

c)       250 days

d)      365 days

Ans: a

 

 

92. Which of the following diseases is spread through sow’s milk?

a)      Diptheria

b)     Typhoid

c)     Measles

d)    None of theses

Ans: b

 

 

93. Arrange the following in descending order of their life spans:

a)      Elephant

b)      Horse

c)       Tiger

d)      Wolf

 

A.      A, B, C, D

B.      A, C, B, D

C.      C, A, B, D

D.      D, A, B, C

Ans: a

 

 

94. One of the friends is in hospital and we want to see him. We are safest if he is suffering from

a)      Mumps

b)      TB

c)      Small pox

d)      None of the above

Ans: d

 

 

95. Jaundice is caused due to the malfunctioning of

a)      Kidney

b)      Liver

c)       Pancreas

d)      Stomach

Ans: b

 

 

 

96. Which is not a parasite?

a)      Tick

b)      Housefly

c)       Bed bug

d)      Louse

Ans: b

 

 

97. Sex of a child is determined by the

a)      Chromosomes of father

b)      Chromosomes of mother

c)       Rh factors of parents

d)      None of the these

Ans: a

 

 

98. Which of the following groups represents the correct order of four types of teeth in human beings?

a)      Incisors, premolars, molars, canines

b)      Incisors, canines, premolars, molars

c)       Molars, canines, incisors, premolars

d)      Canines, incisors, molars, premolars

Ans: b

 

 

99. Which pair is correct?

a)      Se horse, Sea cucumber, Sea urchin

b)      Star fish, Cuttle fish, Dog

c)       House fly, Dragon fly, Butterfly

d)      Earthworm, Rain worm, Tapeworm

Ans: c

 

 

100. Triple Antigen does not immunize against

a)      Diptheria

b)      Tetanus

c)       Typhoid

d)      Whooping cough

Ans: c

 

101. Lichens is an association of two types of organisms. They are

a)    Algae and fungi

b)    Algae and virus

c)     Fungi and virus

d)    Virus and bacteria

Ans: a

 

102. What is the common feature in insects like ant and cockroach?

a)    They bite and chew their food

b)    They live in temperate climate conditions

c)     They have cutting and sucking type of mouth parts

d)    They are social insects

Ans: c

 

103. Which of the following is a perception without stimuli?

a)    Hallucination

b)    Illusion

c)     Claustrophobia

d)    None of these

Ans: a

 

104. Sir. J.C Bose was a great scientist because he showed the

a)    Sensitivity in plants

b)    Pigments in plants

c)     Growth in plants

d)    Relations between plants and animals

Ans: a

 

105. Match the following

A.    Mumps           : 1. Protozoa

B.    Tuberculosis: 2. Bacterium

C.    Beri – Beri      : 3. Virus

D.   Dysentery       : Lack of thiamine

Codes:

A     B     C     D

a)    3     2     4      1

b)    1     2     3      4

c)     1     2     4      3

d)    1     3     2      4

Ans: a

 

106. The genetic code can be translated through an intermediate, adaptor molecule by

a)    tRNA

b)    mRNA

c)     ATP

d)    ADP

Ans: b

 

107. Bile is secreted by

a)    Liver

b)    Gall bladder

c)     Kidney

d)    Pancreas

Ans: a

 

108. Match the following:

A.    Carbohydrate:   1. It constitutes oil, ghee, butter and oil seed

B.    Fat                     : 2. Animal and vegetable tissues

C.    Protein             :  3. excellent source of energy, constitutes starch, sugar, etc.

D.   Amino acids     : End product of protein hydrolysis

Codes:

        A     B     C     D

a)    3     1    2     4

b)    1     2    3     4

c)     2     1    3     4

d)    2     3    1     4

Ans: a

 

109. Ranikhet’ is a disease found in

a)    Poulatry

b)    Cows

c)     Sheep

d)    Dog

Ans: a

 

110. Which of the following statements about “Dinosaurs” is/are correct?

a)    The early man was contemporary of Dinosaurs

b)    Man appeared first after the Dinosaurs became extinct

c)     The Dinosaurs became extinct about six million years before the appearance of the first man on the earth

d)    The Dinosaurs became extinct about 200 million years before the first man appeared on the earth

Ans: c

 

111. Wisdom teeth normally grow during the age of

a)    34- 40 years

b)    12 – 15 years

c)     17 – 30years

d)    40 -  45 years

Ans: c

 

112. Sex chromosomes transmit which of the following diseases?

a)    Myopia

b)    Color blindness

c)     Long sightedness

d)    Night blind ness

Ans: b

 

113. ‘Acupuncture’ is a medical system of treatment prominently used in China in which

a)    Herbs are used for the pain relief

b)    Drugs are used for the pain relief

c)     Special needles are instead into particular parts of the body for the relief

d)    Electric shocks are applied for the relief of pain

Ans: c

 

114. Poliomyelitis is an epidemic virus infection. Which of the following is responsible for it?

a)    Rhabdo virus

b)    Entero virus

c)     Dengue virus

d)    Mumps virus

Ans: b

 

 

115. Snake bite first affects the

a)    Nervous system

b)    Blood circulation

c)     Brain

d)    Lungs

Ans: b

 

116. Assertion (A): Photosynthesis and vision are the phenomenon of visible light.

Reason ( R) : The visible light is absorbed by  small particles containing chlorophylls as well as the  retina

of the eye.

a)    if A and R both are correct and R  is the  correct explanation of A

b)    if A and R both are correct but R is not  the correct explanation of A

c)     if A is incorrect but R is correct

d)    if A is correct but R is incorrect

Ans: a

 

117.  Match the columns:

A.    Vitamin A    : 1. Beriberi

B.    Vitamin B    : 2. Rickets

C.    Vitamin C    : 3. Scurvy

D.   Vitamin D    : 4. Sterility

E.     Vitamin E    : 5. Night Blindness

Select the correct answer from the codes given below:

         A     B     C     D    E

a)    5    4     3     2     1

b)    5    1     3     2     4

c)     1    2     3     4     5

d)    3    2     1     5     4

Ans: b

 

118. A person walking barefooted in a field feels a sharp sting and on examination wo puncture marks are found on his leg. He is most probably bitten by

a)    Poisonous snake

b)    Non – poisonous snake

c)     Scorpion

d)    Rat

Ans: a

 

119. Influence of genes in controlling the activity of living organism is through

a)    Photosynthesis

b)    Protein synthesis

c)     Vitamins

d)    Hormones

Ans: b

 

120. Triple antigen vaccine is given to the children to protect them against

a)    Polio

b)    Whooping cough

c)     Contagious diseases

d)    None of the above

Ans: b

 

121. AIDS is

1.    Caused by Virus

2.    Carried by body fluid, blood and serum

3.    Found mostly in males

4.    Found mostly in homosexuals

Of these Statements:

a)    1 and 4 are correct

b)    1,2 and 4 are correct

c)   2 and 3 are correct

d)    1, 2, 3 and 4 are correct

Ans: b

 

122. The final product of photosynthesis is

a)    Carbohydrates

b)    Carbon dioxide

c)     Oxygen

d)    Water

Ans: c

 

123. Soybeans are rich in

a)    Proteins

b)    Vitamin A

c)      Mineral’s

d)    Carbohydrates

Ans: a

 

124. Which of the following pairs is/are correct?

a)    Kiwi         – Bird

b)    Alligator  – Crocodile

c)     Bat          – Mammal

d)    Fish         - Pisces

Ans: b

 

125. Which of the following pairs is/are correct?

A.    Main root    – Storage

B.    Lateral root – Absorption

C.    Root hair     – Conduction

Select the correct answer the codes given below:

a)    Only A

b)    A and C

c)     All are correct

d)    None of the above

Ans: a

 

126.  Match the columns:

A.    Otitis              : 1. Throat

B.    Encephalitis  : 2. Ear

C.    Laryngitis      : 3. Liver

D.   Hepatitis       : 4. Brian

: 5. Kidney

Select the correct answer using the codes given below:

       A     B     C   D

a)    1    2     3    4

b)    4    3     1    2

c)     2    4     1    3

d)    3    4     1     3

Ans: c

 

127. Which of the following is/are found in plant cells but not in those of animals?

a)    Plastid & Cellular wall

b)    Chromosome

c)     Mitochondria & Golgi apparatus

d)    Cell wall & lysozyme

Ans: a

 

128. Which of the following diseases is hereditary?

a)    Hemophilia

b)    Tuberculosis

c)     Cancer

d)    Dysentery

Ans: a

 

129. Ultra filtering units of kidney are known as

a)    Nephron

b)    Glomerulus

c)     Vena Cava

d)    Tubule

Ans: a

 

130. The human body is immune to which of the following diseases?

a)    Small pox

b)    Diabetes

c)     Tuberculosis

d)    Jaundice

Ans: a

 

131. Temperature in human beings is controlled by

a)    Pituitary gland

b)    Thyroid gland

c)     Hypothalamus gland

d)    Adrenal gland

Ans: c

 

132. ‘Blight’ – the disease of potato can be cured by

a)    Diaphone

b)    Bordeaux mixture

c)     Dionine T-4

d)    Agrimycin and Ceresan

Ans: c

 

133. India’s indigenous pigs generally give birth to young ones at a time?

a)   2 – 4

b)   4 – 6

c)   6 – 8

d)   8 – 10

Ans: d

 

134. Blood grouping was discovered by

a)    Landsteiner

b)    Robert Koch

c)     William Harvey

d)    Louis Pasteur

Ans: a

 

135. A good source of vitamin A is

a)    Carrot

b)    Potato

c)    Rice

d)   Tomato

Ans: a

 

136. Which of the following is not a seed – borne disease?

a)    Brown leaf spot of rice

b)    Black arm of cotton

c)     Red rot of sugarcane

d)    Potato mosaic

Ans: c

 

137. Which of the following is necessary for improvement of the quality of crops?

1. Introduction

2. Hybridization

3. Selection

4.  Segregation

Codes:

a)    2, 3 and 4

b)    1, 2, 3 and 4

c)     1, 2  and 3

d)    2  and  3

Ans:a

 

138. Which of the following fertilisers leave acidic residue?

a)    Ammonium phosphate

b)    Ammonium  Sulphate

c)     Urea

d)    Sulphate of potash

Ans: b

 

139. UP – 308 is a variety of

a)    Millet

b)    Rice

c)     Cotton

d)    Wheat

Ans: d

 

140. Foetus development in women’s womb can be ascertained by

a)    CAT scanning

b)    Ultrasound

c)     PTT scanning

d)    Co – 27 experiment

Ans: b

 

141. Plants take nitrogen in the form of

a)    Nitrates

b)    Ammonia

c)     Nitrates

d)    Element

Ans: c

 

142. Opium is obtained from

a)    Tablet type latex

b)    Latex juice

c)     Seed capsule of opium poppy

d)    Poppy leaves

Ans: d

 

 

143. The cure which of the following diseases exists?

a)    Blood cancer

b)    Hepatitis – B

c)     Breast Cancer

d)    Lung Cancer

Ans: b

 

144. ELISA test is prescribed for

a)    AIDS

b)    Typhoid

c)     Polio

d)    Cancer

Ans: a

 

145. Which of the following is a living fossil?

a)    Blue green algae

b)    Green algae

c)     Fungus

d)    Ginkgo

Ans: d

 

146. Match the columns

A.    Bajra            :  1. Rust

B.    Wheat         :  2. Wilt

C.    Groundnut :  3. Tikka

D.   Banana        :  4. Ergo

Select the correct answer using the codes given below:

               A       B      C     D

a)        1       2      3      4

b)        1       4      3      2

c)         4       1      3      2

d)        4       2      1      3

Ans: c

 

147.  Photosynthesis generally occurs in which portions of the plant?

a)    Leaf and other chloroplast bearing parts

b)    Steam and leaf

c)     Roots and chloroplast bearing parts

d)     Bark and leaf

Ans: a

 

148. Which of the following varieties are correctly matched to their respective plant types?

a)    CHS –I    : 1. Rice

b)    IR – 8     : 2. Wheat

c)     RR –21  : 3. Jowar

d)    HB – 4   :  4. Sugarcane

: Bajra

Select the correct answer using the codes given below:

            A      B     C     D

a)      3      1     2     5

b)      5      4     3     2

c)       2     3      5      1

d)      1     3      4      2

Ans: a

 

149. ‘Khaira’ is plant disease caused due to the deficiency of

a)    Iron

b)    Carbon

c)     Zinc

d)    None of the above

Ans: c

 

150. Azolla gives a good biofertilizer when mixed with

a)    Blue – green aglae

b)    Cow dung

c)     Bone – meal

d)    Urea

Ans: a

 

151. The type crop which is able to fix nitrogen from air is known as

a)    Tuber

b)    Coffee

c)     Legume

d)    Wheat

Ans: c

 

152. The saliva helps in the digestion of

a)    Starch

b)    Proteins

c)     Fibres

d)    Fats

Ans: a

 

153. Amniocentesis is method for

a)    Determination of foetal sex

b)    Separation of amino acids

c)     Determination of the sequence of amino acids in a protein

d)    Inducing abortion

Ans: a

 

154. Water hyacinth is related to

a)    Lemna

b)    Pistia

c)     Eichornia

d)    None of the these

Ans: c

 

155. Assertion (A) : Earthworms are useful to man.

Reason ( R) : Earthworms help in Nitrogen  Fixation in plants.

a)    Both A and R are true and R is the correct explanation of A

b)    Both A and R are true but R is NOT a correct explanation of A

c)     A is true but R is false

d)    A is false but R is true

Ans: c

 

156. Acid rain is caused by pollution of environment by

a)    Carbon dioxide and nitrogen

b)    Carbon monoxide and Carbone dioxide

c)     Ozone and carbon dioxide

d)    Nitrous oxide and sulpure dioxide

Ans: d

 

 

157.  Which one of the following is a breed of cattle famous for high milk yield as well as draught capacity?

a)    The kankrey

b)    The Tharparkar

c)     The Haryana Breed

d)     The Rathi breed

Ans: d

 

158. Which of the following is not element of the bone?

a)    Calcium

b)    Phosphorus

c)     Carbon

d)    Oxygen

Ans: c

 

159. Inspiration and dissection a body after death in human beings as for determination of cause of death is called

a)    Autopsy

b)    Autotomy

c)     Autoesism

d)    Autograft

Ans: a

 

160.  There are more anti – bacterial drugs than anti – viral drugs because

a)    Bacterial diseases are intra- cellular.

b)    Viral diseases are intra – cellular.

c)     Virus are smaller than bacteria.

d)    Drugs can penetrate bacteria more effectively

Ans: b

 

161. Dinosaur is

a)    A reptile

b)    An amphibian

c)     A mammal

d)    A bird

Ans: a

 

162. ChlorophyII contains

a)    Beryllium

b)    Calcium

c)     Magnesium

d)    Strontium

Ans: c

 

163. The characteristic feature of virus is that

a)    It is made of fats.

b)    It multiplies only on dead animals.

c)     It multiplies only in hosts.

d)    It lacks chlorophyII

Ans: c

 

164. Fertility of soil can be improved by

a)    Removing dead earthworms

b)    Adding dead earthworms

c)     Adding living earthworms

d)    Removing living earth worms and adding dead earth worms

Ans: c

 

165. Which of the following is true about the Bats?

1.    Bats are mammals

2.    Bats have wings which are actually the modified forelimbs

3.    Bats are nocturnal in habit

The correct options are

a)    1, 2 & 3

b)    2 & 3

c)     1 & 3

d)    1 & 2

Ans: a

 

166. Population of cells derived from a single parent cell is called

a)    Haploid

b)    Diploid

c)     Symmetrical cell

d)    Clone

Ans: d

 

167. Which of the following plants biennial?

a)    Banana

b)    Pineapple

c)     Jack friuts

d)    Carrot

Ans: d

 

168. Which of the following are fed to cattle?

1.    Sugarcane tops

2.    Sugarcane leaves

3.    Sugarcane bagasse

4.    Sugarcane jiggery

The correct option are

a)    1, 2, 3& 4

b)    1 & 3

c)     2 & 3

d)    1, 2 & 3

Ans: a

 

169. Which of the following has the highest calories per gram?

a)    Proteins

b)    Fats

c)     Sugar

d)    Glucose

Ans: b

 

170. Guinea pigs used in medical research are

a)    Rodents

b)    Black swine

c)     Stocky and brown in color

d)    Found in Asia only

Ans: a

 

171. ‘Lathyrism’ is a crippling disease caused by

a)    Tinned fish

b)    Chick pea and pulses

c)     Meat

d)    Adulterated oil

Ans: b

 

172. If a bacteria culture doubles exponentially in every 30 minutes, then after 5 hours they become

a)    10 fold

b)    100 fold

c)     1000 fold

d)    10000 fold

Ans: b

 

173. Match the following:

A. Vitamin E  : 1. Scurvy

B. Vitamin k  : 2. Rickets

C. Vitamin C : 3. Sterility

D. Vitamin D : 4. Blood coagulation

Select the correct answer from the codes given below:

         A    B   C    D

a)      1    3    4    2

b)      3    4    1    2

c)       4    3    1    2

d)      2    1    3     4

Ans: b

 

174. Assertion (A) : Insects are not affected by pesticides.

Reason ( R) : Insects are killed by pesticides.

a)    Both A and R are true and R is the correct explanation of A

b)    Both A and R are true but r is not the correct explanation of A

c)     A is true but R is false

d)    A is false but R is true

Ans: b

 

175.  Ringworm is caused by

a)    Bacterium

b)    Fungus

c)     Virus

d)    Worm

Ans:

 

176. Match List I with List II and select the correct answer using the codes given below them:

          List I                           List II

        (Vectors)                    (Diseases)

A.    Tsetse fly             : 1. Yellow fever

B.    Aedes mosquito: 2. Sleeping sickness

C.    Water snail          : 3. Bilharzia

D.    Sandflies              : 4. Typhoid

                                      :  5. Kala-azar

Select the correct answer form the codes given below:

           A    B    C     D

a)     1     2    3     4

b)     3     1    5     2

c)      2     1    3     2

d)     5     2    3     1

Ans: c

 

177. Consider the following statements regarding bones in the human body:

1.    They consist of 80% solid matter and 20% water

2.    Solid matter in the bones made mainly of cartilage

3.    Impregnation of slats including carbonates and phosphates of lime imports hardness to the bones

4.    In old age, the proportion of lime decreases and bones become brittle and break easily

Of these Statements

a)    1, 2 and 3 correct

b)    2 and 4 are correct

c)     2 and 3 are correct

d)    1, 2, 3 and 4 are correct

Ans: a

 

178. The human immune deficiency virus (HIV) is a living entity because it can

a)    Excrete in human serum

b)    Disturb host cell respiration

c)     Undergo auto production

d)    Move from one cell to another

Ans: c

 

179. Mycorrhiza is symbiotic association between

a)    Bacteria and roots of higher plants

b)    Algae and roofs of orchids

c)     Fungi and roots of higher plants

d)    Protozoa and roots of higher plants

Ans: c

 

180. Macth List I with List II and select the correct answer using the codes given below them:

           List I            : List II

          (Pulse)         :  (protein %)

A.    Cow pea    : 1. 22.9

B.    Rajmah      : 2. 43.2

C.    Soybean    : 3. 24.1

D.   Dry peas    : 4. 19.7

Select the correct answer from the codes given below:

            A    B    C     D

a)      1     2   3     4

b)      1     4   3     2

c)       3     1   2    4

d)      4     3   1     2

Ans: b

 

181. Consider the following statements regarding blood pressure:

1)    It is pressure exerted by the blood on the walls of any vessel

2)    It decreases in the arteries as the distance from the heart increases

3)    It is lower in the capillaries than in the arteries

4)    It is usually lower in women than in men

Of these statements:

a)    1 and 4 are correct

b)    2, 3 and 4 are correct

c)     1, 2 and 3 are correct

d)    1, 2 and 4 are correct

Ans: d

 

182. Match List I with List II and select the correct answer using the codes given below them:

            List I                      : List II

         (Plant tissue)         :  (Function)

A.    Sclerenchyma   : 1. Conduction of water

B.    Xylem                 : 2. Transport of food

C.    Phloem              : 3. Mechanical strength

D.   Meristem          : 4̤ Cell division

                                    :5̤  Carbon assimilation

Select the correct answer from the codes given below:

           A     B   C      D

a)      3     1    2   4

b)      1     4    3   5

c)       4     2   5   3

d)      2     5   4   1

Ans: a

 

183. Consider the following statements regarding hemoglobin:

1.    It contain iron

2.    It is carrier of oxygen in the blood

3.    It imparts red colure to the blood

4.    It provides immunity against certain diseases

Of these statements

a)    1,2 and 4 are correct

b)    1, 2 and 3 are correct

c)     1, 2 and 4 are correct

d)    2, 3 and 4 are correct

Ans: b

 

184. When compared to the mammals, birds are less sensitive to temporary deprivation of water, because

a)    The water requirement per unit weight is les in birds in mammals.

b)     Absorption water from gut is more efficient in birds than in mammals.

c)     Urea excretion in mammals entails greater loss of water than that in birds.

d)    None of these

Ans: a

 

185. The main difference between raw soybeans and cooked soybeans is in respect of

a)    Amino acid composition

b)    Biological value of proteins

c)     Protein content

d)    Calorific value

Ans: a

 

186.  Rabies is caused by a

a)    Virus and it affects the nervous system

b)    Virus an dit affects the cardiovascular system

c)     Bacteria and it affects the nervous system

d)    Bacteria ad it affects the cardiovascular system

Ans: a

 

187.  The thermoregulatory center of the human body is

a)    Pictuitary

b)    Skin

c)     Hypothalamus

d)    Thyroid

Ans: c

 

188. Where does exchange of gases (O-2 and CO-2) take place in our lungs?

a)    Alveoli

b)    Bronchi

c)     Pleura

d)    Trachea

Ans: a

 

189. The resinous substance, shellac is obtained form

a)    Crude oil

b)    The bark of a tree

c)     An insect

d)    Distillation wood

Ans: b

 

190. Which one of the following is associated with AIDS?

a)    GIFT

b)    HIV

c)     IVF

d)    MAC

Ans: b

 

191. Mitochondrial DNA in an individual comes from

a)    Male parent

b)    Female parent

c)     Both parents

d)    Nether of the parents

Ans: a

 

192. Which one of the following diseases is least infectious?

a)    Leprosy

b)    Tuberculosis

c)     Conjunctivitis

d)    Hepatitis

Ans: a

 

193.  Match List I with List II and select the correct answer using the codes given below them:

List I            : List II

(Vitamins)    :  (Deficiency diseases)

A.    B1           : 1. Hemorrhage

B.    D             : 2. Skin diseases

C.    K            :  3. Vascular abnormalities

D.   E             :  4. Rickets

: 5. Beri –beri

Select the correct answer from the codes given below:

          A      B      C      D

a)      5     4     1      3

b)      5     3     1      2

c)      2     4     5      1

d)      4     1     3      2

Ans: a

 

194. Which one of the following oils is having maximum content of polyunsaturated Fatty Acids (PUFA)?

a)    Soybean oil

b)    Cottonseed oil

c)     Coconut oil

d)    Sunflower oil

Ans: a

 

195. Protective action against harmful household insects and pests can be taken by the use of

a)    Infrasonic waves

b)    Microwaves

c)     Ultrasonic waves

d)    Low frequency radio waves

Ans: c

 

196. Which of the following determines the prote in quality of food?

a)    Protein amalgamation

b)    Fibre content

c)     Amino acids mixture

d)    Vegetable or Animal origin

Ans: c

 

197. The highest fat content is found in the milk of

a)    Buffalo

b)    Cow

c)     Camel

d)    reindeer

Ans: d

 

198. Which one of the following is useful for biological control of pets?

a)    Honey bees and locusts

b)    Scorpions and spiders

c)     Wasps and birds

d)    Parrots and kites

Ans: c

 

199. Significantly higher level of urea in the blood is the indication of

a)    Liver damage

b)    Kidney damage

c)     Heart attack

d)    Spleen damage

Ans: b

 

200.  The medicines which are used to treat diseases caused by allergy are known as

a)    Analgesics

b)    Antihistamines

c)     Antipyretics

d)    Allergens

Ans: b

 

200.  The medicines which are used to treat diseases caused by allergy are known as

a)    Analgesics

b)    Antihistamines

c)     Antipyretics

d)    Allergens

Ans: b

 

201. Malaria fever is caused

a)    Immediately after mosquito bite

b)    Upon disintegration and bursting of red blood cells

c)     When the malaria causing germs reach the liver

d)    Upon release of toxins into blood

Ans: d

 

 

202. Pyrilla is a

a)    Disease of teeth and gums

b)    An insect pest

c)     A character of ancient Greek mythology

d)    A building heated by solar energy

Ans: b

 

203. The most poisonous snakes found in India are

a)    Cobra, viper, Banded kraits

b)    King Cobra, Grass snake, Banded kraits, Cobra

c)     Cobra, python, Banded kraits, Rat snake

d)    Cobra, Grass snake, kraits, Rat snake

Ans: a

 

204. Match List I with List II and select the correct answer using the codes given below them:

             List I                      : List II

   Branches of Science    :  Details of study

A.    Taxonomy            : 1. Functional movements

B.    Mycology             : 2. Classification

C.    Morphology        : 3. Shape and structure

D.   Physiology           : 4. Fungus

Select the correct answer from the codes given below:

           A     B    C    D

a)      1     2    3   4

b)      2    4    3    1

c)       2    3    1    4

d)      3    4    2    1

Ans: b

 

205. Which one of the following plants can fix nitrogen from air?

a)    Rice

b)    Wheat

c)     Pea

d)    Maize

Ans: c

 

206. Chlorophyll is a naturally occurring chelated compound in which central metal is

a)    Magnesium

b)    Copper

c)     Calcium

d)    Iron

Ans: a

 

207. Match List I with List II and select the correct answer using the codes given below them

                   List I                        : List II

A.    Islets of Langerhans  : 1. Calcitonin

B.    Pituitary gland            : 2. Epinephrine

C.    Thyroid gland             : 3. Growth hormone

D.   Adrenal gland              : 4. Insulin

Select the correct answer from the codes given below

           A     B     C     D

a)      4     3    2     1

b)      4     3    1     2

c)       3     4    1     2

d)      3    2     4     1

Ans: b

 

208. Two richest known sources of edible protein are

a)    Meat and eggs

b)    Some algae and other micro organisms

c)     Soya bean and groundnut

d)    Milk and leafy vegetables

Ans: a

 

209. The bats are able to fly in dark since their wings produce

a)    Infra-red rays

b)    Ultrasonic waves

c)     Sound waves

d)    Ultraviolet rays

Ans: b

 

210. Which of the following diseases is causes due to defective genes?

a)    Ulcer

b)    Haemophilia

c)     Diabetes

d)    Cancer

Ans: b

 

211. Consider the Food pyramid given below showing the interdependence of plants and animals is the food chain

Which one of the following in the pyramid is most chain?

a)    Herbivore

b)    Plant

c)     Top Carnivore

d)    Small Carnivore

Ans: c

 

 

212. Consider the figure given below:

Calories

4000, 3000, 2000, 1000 0

The above figure contains, calories required per day by boys and girls. It can be inferred from

the graph that is general calorie requirement for boys and  girls

a)    Riches a peak value at about the same age

b)    Increase nearly at the same rate till the age  of 13

c)     Is quite different at all ages

d)    Is similar till the age of 17

Ans: b

 

213. Man cannot digest cellulose whereas cows can do so because

a)    Their gut contains certain bacteria capable of digesting cellulose

b)    They have a many- chambered stomach

c)     They have efficient grinding molars

d)    They produce an enzyme cellules which can digest cellulose

Ans: a

 

214. Camel uses its hump for

a)    Storing water

b)    Storing fat

c)     Balancing the body during walking in desert sand

d)    Temperature regulation

Ans: b

 

215. The theory of ‘Jumping genes’ was propounded by

a)    Gregory Johann Mendel

b)    Thomas Hunt Morgan

c)     Barbara MC Clintock

d)    Watson and Crick

Ans: c

 

216. Sucrose content in sugarcane decreases

a)    if high rainfall occurs during the period of growth of the plant

b)    if frost occurs during the period of ripening

c)     if there is fluctuation in temperature during the period of growth of the plant

d)    if there is high temperature during the time of ripening

Ans: d

 

217.  Which one of the following is a “man made” cereal NOT found in nature?

a)    Dwarf wheat

b)    Hy brid maize

c)     Triticale

d)    Soya bean

Ans: c

 

218. Sugarcane, sugar beet, sweet pea, chickpea, pigeon pea and French bean belong to

a)    Two plant families

b)    Three plant families

c)     Four plant families

d)    Nice plant families

Ans: b

 

219. A fertile – soil, suitable for growing common crops, is likely to have a PH value of

a)    three

b)    four

c)     six to seven

d)    nine to ten

Ans: c

 

220. Posion glands of snakes are homologous to

a)    electrci organs of fishes

b)    stings of rays

c)     sebaceous glands of mammals

d)    salivary glands of vertebrates

Ans: d

 

 

221.  Match List I with List II and select the correct answer using the codes given below them

                 List I                  : List II

            ( characteristics)    : (Animal)

A.    Wingless insect     : 1. Kiwi

B.    Flightless Bird       : 2. Silver fish

C.    Limbless reptile    : 3. Octopus

D.   Limbless animal   : 4. Snake

Codes:

          A     B    C        D

a)     1    3    2       5

b)     2    1     4      5

c)      2    1     3      4

d)     3    1     4      2

Ans: b

 

222. Three Communicable disease prevalent in developing countries caused by unsafe drinking water an bad sanitation are

a)    Acute diarrhea, cancer and gout

b)    malaria, acute diarrhea and schistosomiasis

c)     onchocericiasis, leukemia and arthritis

d)    rheumatism, malaria and AIDS

Ans: b

 

 

223.  The heart of human embryo starts beating

a)    in the first week of its development

b)    in the third week of its development

c)     in the fourth week of its development

d)     in the sixth week of its development

Ans: b

 

224. If father has blood group A and mother has blood group O, then which one of the following blood group may be found in their son?

a)    B

b)    AB

c)     O

d)    B, AB, or O

Ans: c

 

225.  Match List I with List II and select the correct answer from the codes given below the lists:

           List I               : List II

         (Crops)            : (Crop pests)

a)     Rice              : 1. Aphid

b)    Wheat           : 2. Gundhi bug

c)     Sugarcane     : 3. Greasy cutworm

d)    Gram              : 4.  Top shoot borer moth

       

      

                    :  5. Bollworm

Codes:

               A     B      C     D

a)          2     3     4    5

b)          3     1     2    4

c)           2     1    4    3

d)          5      4    1    3

Ans:  c

 

 

226. In the case of a Test – tube baby’

a)    fertilization takes place inside the test –tube

b)    Development of the baby taken place inside the test –tube

c)     fertilization takes place outside the mother’s body

d)    Unfertilized egg develops inside the test –tube

Ans: c

 

227. What is the correct sequence of the following in a heart attack?

1)    Narrowing of the inner orifice of the vessel

2)    ‘Plaque’ from fibrous tissues and high cholesterol

3)    Inadequate supply of blood and oxygen

4)    Clots of blood carried in to the coronary arteries.

Choose the answer from the codes given below:

a)    1, 2, 3, 4

b)    2, 4, 1, 3

c)     2, 3, 1, 4

d)    4, 2, 1, 3

Ans: b

 

228.  Which of the following are characteristics shown by a breast – fed baby was when compared to a bottle –fed baby?

1)    It is less obese.

2)    It shows greater capacity, to resist diseases.

3)    It gets more vitamins and proteins

4)    Its growth in height is abnormal.

Select the correct answer from the codes given below:

a)    1, 2 and 3

b)    1, 2 and 4

c)     1, 3 and 4

d)    2, 3 and 4

Ans: a

 

229. Which of the following is/are used as bio fertilizers?

a)    Azolla

b)    Blue – green algae

c)     Alfalfa.

Select the correct answer from the codes given below

a)    2 alone

b)    1 and 2c)     1 and 3

d)    1, 2 and 3

Ans: d

 

230. Even though an animal is fed with carboydraterich diet, its blood sugar concentration tends to remain constant. This is on account of the fact that in the case of an animal

a)    hormones of pituitary glands control metabolic process

b)    Hormones of pancreas cause such a condition

c)     blood sugar is readily absorbed by liver

d)    Glucose undergoes autolysis

Ans: b

 

231. Which one of the following crops enriches the nitrogen content in soil?

Total protein food (both superior and inferior) should be in order of

a)    Potato

b)    Sorghum

c)     Sunflower

d)    Pea

Ans: d

 

232. In the balanced dietaries for a day of an adult working man, weights of carbohydrate food and total protein food

(Both superior and inferior) should be in order of

a)     600 gm and 420 gm respectively

b)     600 gm  and 600 gm respectively

c)     420 gm and 600 gm respectively

d)    420 gm and 420 gm respectively

Ans: c

 

 

233.  Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

a)    Rheumatism

b)    Nervous shock

c)     Muscular dystrophy

d)    Cerebral hemorrhage

Ans: c

 

234. Which one of the following animals do not stores water in the intestine?

a)    Moloch

b)    Camel

c)     Zebra

d)    Uromastix

Ans: b

 

235. The only anthropoid ape to be found in India is the

a)    hanuman monkey

b)    Lion tailed macaque of Western Ghats

c)     Slow Loris of Assam

d)    White browned gibbon of Assam

Ans: d

 

236.  The highest milk producing breed of goat in India is

a)    Barbari

b)    Jamunapari

c)     Black Bengal

d)    Beetle

Ans: b

 

237. Assertion (A) : A lock of Einstein’s hair,  if scientists could locate it and extract its DNA, could help  in producing another Einstein, by cloning.

Reason ( R) : The DNA extracted from the cell of an embryo at an early stage of development, can be transferred to individual eggs which in turn can be implants into the uterus of a surrogate mother to give birth to an identical off spring

a)    Both A and R are true, and R is the correct explanation of A

b)    Both A and R are True, but R is not correct explanation of A

c)     A is true, but R is false

d)    A is false, but R is true

Ans: a

 

238. Which one of the following vitamins is considered to be a hormone?

a)    A

b)    B

c)     C

d)    D

Ans: d

239. Renin and lactase, the enzymes required to digest milk, disappear in the human body by the age of

a)    two

b)    three

c)     five

d)    eight

Ans: d

240. Hemoglobin is dissolved fish in the bred exclusively the cold regions of India?

a)    frog

b)    fish

c)     man

d)    Earthworm

Ans: d

 

241. Which of the following fish are bred exclusively in the cold regions of India?

1)    Catla

2)    Tinca

3)    Bhekti

4)    Trout

Choose the correct answer from the codes given below:

a)    1 and 4

b)    1, 2 and 4

c)     2 and 4

d)    3 and 4

Ans: b

 

242. Phenylketonuria is an example of an in – born error of metabolism. This “error” refers to

a)    Hormonal overproduction

b)    Atrophy of endocrine glands

c)     inherited lack of an enzyme

d)    Non -disjunction

Ans: c

 

243. Which one of the following sets is correctly matched?

a.     Diptheria, pneumonia and Leprosy: Hereditary

b.    AIDS, Syphilis and Gonorrhea       : Bacterial

c.     Color blindness, Hemophilia and   : Sex linked

                                                                  Sickle cell anenmia

d.    Polio, Japanese B encephalitis and     : Viral

                                                                                       Plague

Ans: c

 

244. A person with ‘AB’ blood group is sometimes called a universal recipient because of the

a) lack of antigen in his blood

b) lack of antibodies in his blood

c) lack of both antigens and antibodies in his blood

d) Presence of antibodies in his blood

Ans: b

 

245. Which one of the following is a membrane that protects the developing embryo from desiccation?

a) Amnion

b) Allantois

c) Chorion

d) Yolk sac

Ans: a

 

 

246. Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?

a) Isoniazid

b) p-amino salicylic acid

c) Streptomycin

d) Rifampicin

Ans: d

 

247. Most of the desert plants bloom during night time because

a) their blooming controlled by low temperature

b) they are sensitive to the phases of moon

c) the desert insects eat away flowers during day time

d) the desert insects are active during night time

Ans: a

 

248. The only snake that buildings a nest is

a) chain viper

b) King Cobra

c) Krait

d) Saw – scaled viper

Ans: b

 

249. Which of the following elements are present in all proteins?

1.    Carbon

2.    Hydrogen

3.    Oxygen

4.    Nitrogen

Which one of the following hormone contains iodine?

a)    2 and 3

b)    1, 2 and 4

c)     1, 3 and  4

d)    1, 2, 3 and 4

Ans: d

 

250. Which one of the following hormone contains iodine?

a)    Thyroxin

b)    Testosterone

c)     Insulin

d)    Adrenaline

Ans: a

 

 

 

251. “By weaving threads of physics, chemistry and biology into a rich tapestry, this remarkable scientist provided a unifying molecular view of the world

He toutd the wonderful properties of Vitamin C first as cure of common cold and later as a preventive agent against cancer. “One of science’s major figures of all time refers to above is

a)    G. N Lewis

b)   Linus Carl pauling

c)     Fritz London

d)    Walter Heitler

Ans: c

252. “ It begins as a single cell and grows into a merciless disease that cliams millions of livers year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the wat against….” -The disease referred to in the above quotation is

a)    Cancer

b)    AIDS

c)     Tuberculosis

d)    ALZheimer’s disease

Ans: a

 

253. The normal temperature of human body on the Kelvin scale is

a)    280

b)    290

c)     300

d)    310

Ans: d

 

254.  According to the World Health Organization, the disease which causes the death of the largest number of people today is

a)    AIDS

b)    Tuber culosis

c)     Malaria

d)    Ebola

Ans: a

 

255. Which one of the following is a modified stem?

a)    Carrot

b)    Sweet potato

c)     Coconut

d)    Potato

Ans: d

 

256. Fat present below the skin surface in our body, acts as barrier against

a)    loss of heat from the body

b)    loss of essential body fluids

c)     loss of salts from the body

d)    entry of harmful micro –organism from the environment

Ans: a

 

257. Which of the following professional (s) are more likely to run risk of a permanent change in their cell’s DNA?

1.    Researchers using carbon – 14 isotope

2.    X-ray technician

3.    Coal miner

4.    Dyer and painter

Select the correct Answer by using the codes given below:

a)    2 alone

b)    1 and 2

c)     1, 2 and 4

d)    1, 3 and 4

Ans: b

 

 

258. Which one of the following is not essential micronutrient for plants?

a)    Boron

b)    Zinc

c)     Sodium

d)    Copper

Ans: d

 

259. Of the four landmarks in medical history given below, which one was the first take place?

a)    Organs transplant

b)    Bypass surgery

c)     Test –tube baby

d)    Plastic surgery

Ans: d

 

260. The nutritional deficiency condition that needs to be given top priority for remedial action in India today is

a)    Scurvy

b)    Rickest

c)     Xerophthalmia

d)    Pellagra

Ans: b

 

261. Living organism require at least 27 elements of which 15 are metals. Among these, those required in major quantities include

a)    Potassium, Manganese, Molybdenum & Calcium

b)    Potassium, Molybdenum, Copper & Calcium

c)     Potassium, Soduim, Magnesium & Calcium

d)    Sodium, Magnesium, Copper & Manganese

Ans: c

 

262. Match List I with List II and select the correct answer from the codes given below the lists:

            List I                : List II

a)    Vitamin        : 1.Pepsin

b)    Enzyme        :2. Carotene

c)     Hormone    : 3. Keratin

d)    Protein       : 4. progesterone

Codes:

                A     B   C     D

a)          1     2    3    4

b)          2     1    4    3

c)           2     1    3    4

d)          1     2    4    3

Ans:  b

 

263. Physico – chemical characteristics of water in water sources undergo changes due to

a)    aquatic macrophysics

b)    aquatic fungi

c)     effluents

d)    evapotranspiration

Ans: c

 

264. Ecologists have so far know, found and certified a large number of species in the plant and animal kingdom.

In terms of members, the largest found and identified so far are from among the

a)    Fungi

b)    Plants

c)     Insects

d)    Bacteria

Ans: d

 

265. It is possible to produce seedless tomato fruits by

a)    applying trace elements in tomato fields

b)    spraying mineral solution on plants

c)     spraying hormones on flowers

d)    applying fertilizers containing radioactive

Ans: c

 

266. Which of the following are associated with diabetes mellitus, a common disease in adults?

1.    Higher sugar level in blood

2.    Lower sugar level in blood

3.    Lower insulin level in blood

4.    Higher insulin level in blood

Select the correct Answer by using the codes given below:

a)     2 and 4

b)    1 and 2

c)     2 and 3

d)    1 and 3

Ans: d

 

267. Consider the following statements:

AIDS is transmitted

1.    by sexual intercourse.

2.    by blood transfusion.

3.    by mosquitoes and other blood sucking insects

4.    across the placenta.

Of these statements:

a)    1, 2 and 3 are correct

b)    1, 2 and 4are correct

c)     1, 3 and 4 are correct

d)    1 and 3 are correct

Ans: b

 

268.  People drinking water from shallow hand pump are likely to suffer from all the following diseases except

a)    Chleora

b)    Typhiod

c)     Jaundice

d)    Flurosis

Ans: c

 

269. Which of the following would lead to ‘malnutrition”?

1.    Over nutrition

2.    Under nutrition

3.    Imbalanced nutrition

Select the correct Answer 2Y using the codes given below:

a)    2 alone

b)    2 and 3

c)     1 and 3

d)    1, 2 and 3

Ans: d

 

270. Besides protein and carbohydrates, other elements of nutritional value found in milk include

a)    Calcium, potassium and iron

b)    Calcium and potassium

c)     Potassium and iron

d)    Calcium and iron

Ans: b

 

271. Match List I (physiological processes) with List II (Cell organelles) and select the correct Answer by using from the codes given below the lists:

                  List I                     :      List II

a)    Photosynthesis       : 1. Plasma Membrance

b)    Minerals uptake    : 2. Chloroplast

c)     Respiration             : 3. Motochondaria

d)     Protein Synthesis: 4. Ribosmoes

Codes:

               A     B   C     D

  a)       1     2    3    4

b)       1     2    4    3

c)       2     1    3    4

d)      2     1    4    3

Ans:   c

 

272.  The characteristic odour of garlic is due to

a)    a chloro compound

b)    a sulphur compound

c)     a fluorine compound

d)    acetic acid

Ans: b

 

273.  Which one of the following techniques can be used to establish the paternity of a child?

a)    Protein analysis

b)    Chromosome counting

c)     Quantitative analysis of DNA

d)    DNA finger – printing

Ans: d

 

274. Which one of the following is an active component of oil of clove?

a)    Menthol

b)    Eugenol

c)     Methanol

d)    Benzaldehyde

Ans: b

 

275. The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands,.

Which one of the following endocrine glands can function indecent of the pituitary gland?

a)    Thyriod

b)    Gonads

c)     Adrenals

d)    Parathyriod

Ans: d

 

276. Oxygen transpiration in a human body takes place through

1.    Blood

2.    Lungs

3.    Tissue

The correct sequence of transportation is

a)    1, 2, 3

b)    3, 1, 2

c)     2, 1, 3

d)    1, 3, 2

Ans: c

 

277. Corpus Iuteum is a mass of cells found in

a)    brain

b)    ovary

c)     pancreas

d)    spleen

Ans: b

278. Which one of the organisms is likely to show highest – concentration of DDT once it has been introduced into the ecosystem?

a)    Grasshopper

b)    Toad

c)     Snake

d)    Cattle

Ans: c

 

279. Alpha – keratin is protein present in

a)    blood

b)    skin

c)     wool

d)    eggs

Ans: c

 

280. Which one of the following is cultivated by transplanting seedlings?

a)    Maize

b)     Sorghum

c)     Onion

d)    Soyabean

Ans: c

 

281. What is the average fat content of buffalo milk?

a)    7.2 %

b)    4. 5 %

c)      9. 0 %

d)    10.0 %

Ans: c

 

282. The major component of honey is

a)    glucose

b)     sucrose

c)     maltose

d)    fructose

Ans: d

 

283. Arteirs supplying blood to he heart are called

a)    carotid arteries

b)    hepatic arteries

c)     coronary arteries

d)    pulmonary arteries

Ans: c

 

284. Recommended daily intake of proteins for a moderately active woman is

a)    30 g

b)    37 g

c)     40 g

d)    46 g

Ans: d

 

285.  Match List I with List II and select the correct answer by using from the codes given below the lists:

          List I                  : List II

a)    Malaria          : 1. Bone marrow

b)    Filaria            :  2. Brain

c)    Encephalitis : 3. Muscle

d)    Leukaemia   : 4. Lymph node

                              : 5. Blood Cells

 

 

Codes:

                A     B   C     D

a)          5     3    2     1

b)          5     4    2     1

c)           4     3   5      1

d)          5     4   1      2

Ans:   b

 

286. Antigen is a substance which

a)    lowers body temperature

b)    destroys harmful bacteria

c)     triggers the immune system

d)    is used as an antidote to poison

Ans: c

 

 

287. At which stage in its life – cycle does the silk worm yield the fiber of commerce?

a)    Egg

b)    Larva

c)     Pupa

d)    Imago

Ans: c

 

288.  Match List I  (Diseases) with List II ( Typeand select the correct answer from the codes given below the lists:

           List I                  : List II

a)    Haemophilia  : 1. Deficiency disease

b)    Dia betes       :  2. Genatic

c)     Rickets           :  3. Hormonal disoder

d     Ringworm      :  4. Fungal infection

Codes:

        A     B     C     D

a)    2     3    4     1

b)     2     3    1     4

c)     3     2    1     4

d)    3     2    4      1

Ans:   b

 

289. The blood glucose is commonly expressed as

a)    mm of Hg

b)    mill moles per liter

c)     Parts per million

d)    Grams per liter

Ans: b

 

290. Phototonus is a facility to

a)    grow plants under disease –free conditions

b)    conserve endangered species of plants

c)     grow plants under controlled condition

d)    induce mutations

Ans: c

 

291. Match List (Endocrine glands) with List II (Hormones secreted)

and select the correct answer using the codes given below the Lists:

              List I           :    List II

a)    Gonads        : 1. Insulin

b)     Pituitary     : 2. Progesterone

c)      Pancreas    : 3. Growth hormones

d)    Adrenal       : Cortisone

Codes:

          A     B     C     D

a)     3     2    4     1

b)     2     3    4     1

c)     2     3    1     4

d)   3     2      1     4

Ans:   c

 

292. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by

a)    a decrease in the supply of oxygen

b)    minor wear and tear of muscle fibers

c)     the depletion of glucose

d)    the accumulation of lactic acid

Ans: d

 

293. Assertion (A) : In human beings, the  females play a major role in determining the sex of the offspring.

Reason ( R) : Women have two – ‘X’ chromosomes.

a)    Both A and R are true, and R is not a the correct explanation of A

b)    Bothe A and R true, but R is not a correct explanation of A

c)     A is true, but R is false

d)    A is false, but R is true

Ans: d

 

294. Assertion (A): “DNA Finger –printing” has become a powerfull tool to establish paternity and identity of criminals in rape and assault cases.

Reason ( R) : Trace evidences such as hairs, saliv and dried semen are adequate for DNA analysis.

a)    Both A and R are true, and R is not a the correct explanation of A

b)    Both A and R are true, and R is not a the correct explanation of A

c)     A is true, but R is false

d)    A is false, but R is true

Ans: a

 

295.  Which of the following organelles play the most significant role in protein synthesis?

a)    Lysosome and Centrosome

b)    Endoplasmic reticulum and Ribosome

c)     Golgi apparatus and Mitochondria

d)    Lysosome and Mitochondria

Ans: b

 

296. Assertion (A) Scientists can cut apart and  paste together DNA molecules at will, regardless of the source of the molecules.

Reason (R) : DNA fragments can be manipulated using restriction endonucleases and DNA ligases.

a)    Both  A and R are individually true and R is the a correct explanation of A

b)    Both  A and R are individually true and R is NOT a correct explanation of A

c)      A is true, but R is false

d)    A is false, but R is true

Ans: a

 

297.  The cellar and molecular control of programmed cell death is known as

a)    Apoptosis

b)    Ageing

c)     Degeneration

d)    Necrosis

Ans: a

 

298. Which organelles in the cell, other than nucleus, contains DNA?

a)    Centriole

b)     Glogi apparatus

c)     Lysosome

d)     Mitochondrion

Ans: d

 

299. Epiphytes are plants which depend on other plants for

a)    Food

b)    Mechanical support

c)     Shade

d)    Water

Ans: b

 

300. Antigen is a substance which

a)    Destroys harmful bacteria

b)    is used to treat poisoning

c)     lowers body – temperature

d)    Stimulates formation of antibody

Ans: d

 

301.  Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation?

a)    Complemtarity of the two stands

b)    Double helix

c)     Number of base –pairs per turn

d)    Sugar – phosphate backbone

Ans: a

 

302. The American multinational company, Monsanto has produced an insect – resistand cotton variety that is undergoing field – trails in India.

A toxin gene from which ONE of the following bacteria has been transferred to his transgenic cotton

a)    Bacillus subtills

b)    Bacillus thurigiensis

c)     Bacillius amyliquifanciens

d)     Bacillus globlii

Ans: b

 

303.  Match List with List II and select the correct answer using the codes given below the Lists:

          List I (Bone)         :  List II (Name)

A.    Breast –bone      : 1. Clavicle

B.    Collar – bone      : 2. Patella

C.    Knee –cap           : 3. Scapula

D.   Shoulder blade   : 4. Sternum

Codes:

           A     B      C    D

a)      4     1    3     2

b)      1     4    3     2

c)      1     4    2     3

d)     4     1    2     3

Ans:    d

 

 

 

304. Consider the following statements:

1.    Tapeworm is a hermaphrodite.

2.    Round – worm has separate sexes.

3.    Filarial is caused by a nematode.

4.    Guinea – worm is an annelid.

Which of these are correct?

a)    1 and 2

b)    1, 2 and 3

c)     3 and 4

d)    2, 3 and  4

Ans: b

 

305.  Match List with List II and select the correct answer using the codes given below the Lists

                List I                                                :  List II

      (Achievement in genetic)                       : (Scientists)

A.    Discovery of tramsdication and   : 1. Khurana

Conjugation in bacteria

B.    Establishing the Sex –linked         : 2. Kornberg

Inheritance

C.    Isolation of DNA polymerase         : 3. Lederberg

Form E. coli

D.    Establishing the complete genetic : 4. Morgan

Code                                                                        : 5. Ochoa

Codes :

           A     B   C     D

a)      4     3    2     1

b)      3     4    1     5

c)       4     3    1     5

d)      3     4    2     1

Ans:    d

 

306. “Athlete’s Foot” is a disease caused by

a)    Bacteria

b)    Fungus

c)     Protozoan

d)    Nematode

Ans: b

 

 

307. In the eye donation, which part of the eye is transplanted from the donor?

a)    Cornea

b)    Lens

c)     Retina

d)    The whole eye

Ans: a

 

308. A man whose blood group is not known meets with as serious accident and needs blood transfusion immediately.

Which one of the blood groups mentioned below and readily in the hospital will be safe for transfusion?

a)    O, Rh  -

b)     O, Rh +

c)      AB, Rh -

d)    AB, Rh +

Ans: a

 

309. “Metastasis” is the process by which

a)    Cells divide rapidly under the influence of drugs

b)    Cancer cells spread through the blood or lymphatic system to other sites or organs

c)     the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles

d)    cancer cells are successfully inhibited to divide any further.

Ans: b

 

310.  Match List with List II and select the correct answer using the codes given below the Lists

              List I             :  List II

       (Substance)     :  (physiological role)

A.    Ptyalin       : 1. Converts angoiten – sinogen in blood into angiotensin

B.    Pepsin        : 2. Digests starch

C.    Renin         : 3. Digetst protiens

D.   Oxytocin    : 4. Hydrolyses fats

: 5. Induces contraction of smooth muscles

Codes:

            A     B    C     D

a)      2      3    1     5

b)      3     4     2     5

c)       2     3     5     1

d)      3     1     2     4

Ans:     a

 

311. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?

a)     Isolation

b)    Mutation

c)     Natural Selection

d)    Sexual Reproduction

Ans: b

 

312. Ticks and mites are actually

a)    Arachnids

b)    Crustaceans

c)     Insects

d)    Myriads

Ans: a

 

313. With references to the blood in a normal person, which one of the following statements is correct?

a)    Compared to arteries, veins are less numerous and hold less of the body’s at any given time.

b)    Blood cells constitute about 70 per cent of the total volume of the blood

c)     White Blood Cells (WBC) are made by lymph nodes only

d)    The blood has more platelets than WBC

Ans: d

 

314. Consider the following plants:

a)    Bougainvillea

b)    Carnations

c)     Cocoa

d)     Grapes

Ans: d

 

315. In the context of the organic evolution, the loss of limbs of snakes is explained by the phenomenon of

a)    Use and disuse of organs

b)     adaptation to living burrows

c)     natural selection

d)    Inheritance of acquired characters

Ans: a

 

316. When one gene controls two or more different characters simultaneously, the phenomenon is called

a)    A apomixes

b)    Pleitrophy

c)     Polyploidy

d)    Politely

Ans: b

 

317. With reference to the human body consider the following statements:

a)    The production of somatotropin goes up when a person exercises

b)    Men’s tests produce progesterone

c)     Women’s adrenal glands secrete testosterone

d)    Stress cause the adrenals to release very less amount of cortisol than usual

Which of these statements are correct?

A.    2 4 3 1

B.    1  3  2

C.     2 3 4

D.    1 4

Ans: d

 

318. Which one of the following is monogamous?

a)    Wolf

b)    Walrus

c)     Seal

d)    Deer

Ans: a

 

319. In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as

a)    Dichogamy

b)    Herkogamy

c)     Hetrogamy

d)    Monogamy

Ans: b

 

320. Foot – and – Mouth disease in animals, a current epidemic in some parts of the world, is caused by

a)    Bacterium

b)    Fungus

c)    Protozoan

d)    Virus

Ans: d

 

321.  Which one of the following statements is correct?

a)    All echinoderms are viviparous

b)    Round worm has no circulatory system

c)     In bony fishes, swim bladder is usually present

d)    In cartilaginous fishes, fertilisation is internal?

Ans: c

 

322. Which one of the following statements is correct?

a)    Prions are the smallest free –living cells

b)    The cell wall of Mycoplasmas I made up of amino sugars

c)     Viroid’s consist of a single –stranded RNA molecule

d)    Rickettsias lack cell wall

Ans:  c

 

323. Assertion (A) : Drinking of whisky increase the frequency of urination.

Reason ( R) : Alcohol intake speeds up the secretion of vasopressin in the body.

a)    Both A and R are individually true and R is the correct explanation of A

b)    Both A and R are individually true but  is not a correct explanation of A

c)     A is true but R is false

d)    A is false but R is true

Ans: a

 

324. Assertion (A): Human diet should compulsorily contain Glycine, Serine and Tyrosine:

Reason ( R) : Essential amino acids  cannot  be synthesised in the human body.

a)    Both A and R are individually true and R is the correct explanation of A

b)    Both A and R are individually true and R is the correct explanation of A

c)     A is true but R is false

d)     A is false but R is true

Ans: d

 

 

325.  With reference to normal human beings, consider the following statements:

1.    In response to the presence of HCL. Secretin is produced from the duodenum.

2.    Enterogastrone is produced in the small  intestine in response to the presence of fatty acids.

Which of these statements is/are correct?

a)    Only 1

b)    Only 2

c)     Both 1 and 2

d)    Neither 1 nor 2

Ans: c

 

326. With reference to the work human kidney consider the following statements:

1.    After the waste is removed in the kidney, the  cleaner blood is sent back through renal artery

2.    From Bowman’s capsule., the filtered liquid passes  through tiny tubes where much of the  glucose

is reabsorbed and sent back to the blood in th e renal vein.

Which of these statements is/are correct?

a)    Only 1

b)    Only 2

c)     Both 1 and 2

d)    Neither 1 nor

Ans: c

 

327. Consider the following statements:

1.    Molasses is a by – product of sugar production processes

2.    Bagasse obtained in the sugar mills is used as fuel  in the boilers to generate steam for the sugar factories

3. Sugar can only be produced from sugarcane as the raw material.

Which of these statements is/are correct?

a)    1 and 2

b)    2 and 3

c)     1 and 3

d)    1,2 and 3

Ans: a

 

 

 

328. Octopus is:

a)    an arthropod

b)    an echinoderm

c)     a hemichordate

d)    a mollusc

Ans: d

 

329.  Consider the following conditions of a sick human body:

1.    Swollen Iymph nodes

2.    Sweaitng at night

3.    Loss of memory

4.    Loss of weight

Which of these are the symptoms of AIDS?

a)    1 and 2

b)    2, 3 and 4

c)     1, 3 and 4

d)    1, 2, 3 and 4

Ans: d

 

330. Consider the following statements:

1.    The common blue green algae Spirogyra and Ulothrix are found in both fresh water ponds and oceans.

2.     The chameleon can look ahead with one eye, and at the same time look behind with another.

a)    Only 1

b)    Only 2

c)     Both 1 and 2

d)    Neither 1 nor 2

Ans: b

 

331. Which one of the following statements is not correct?

a)    Milk contains none of the B- vitamins

b)    Vitamins –A (retinal) deficiency leads to dry and scaly skin

c)     One of the symptoms of scurvy is pain in the joints

d)     Vitamin BI (thiamine) deficiency can lead to heart failure

Ans: a

 

332.  Consider the following statements:

a)    Non- function of lachrymal gland is an important symptom of deficiency of Vitamin A.

b)    Deficiency of vitamin BI can lead to indigestion and heart enlargement

c)     Vitamin C deficiency can lead to pain in the muscles.

d)    Deficiency of vitamin D causes increased loss of Ca++ in urine.

Which of these statements given above is/are correct?

a)    1 and 2

b)    2 ,3 and 4

c)     1,3  and 4

d)    1,2,3  and 4

Ans: c

 

333. The hormone insulin is a:

a)    Glycolipid

b)    Fatty acid

c)      Peptide

d)    Sterol

Ans: c

 

334. In which organ of the human body are the Iymphocyte cells formed?

a)    Liver

b)    Long bone

c)     Pancreas

d)    Spleen

Direction: The following question consists of two statements: one labelled as the ‘Assertion (A)’ and

the other as ‘Reason (R) ’. You are to examine these two statements carefully and select the answers to these items using the codes given below:

Codes:

a) Both A and R are individually true and R is the correct explanation of

b) Both A and R are individually true and R is not the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: b

 

335. Assertion (A): Fatty acids should be a part of the balanced human diet.

Reason ( R) : The cells of the human body cannot synthesize any fatty acids.

Ans: a

 

 

336. Consider the following statements:

1.    Femur is the longest bone in the human body.

2.    Cholera is a disease caused by bacteria.

3.    ‘Athlete’s foot’ is a disease caused by virus.

Which of these statements given above is/are correct?

a)    1 and 2

b)    2  and 4

c)     1  and 3

d)    1,2, and 3

Ans: c

 

337. Pneumoconiosis afflicts the workers who work mainly in

a)    Tanneries

b)    Coal mining industry

c)     Distilleries

d)    Galss industry

Direction: The following question consit of two statemnts, one labeled as the ‘Assertion (A)’ and the other as 'Reason ( R) You are to examine these two statements carefully and select the answer to these items using the codes given below:

a) Both A and R are individually true and R is the correct explanation of

b) Both A and R are individually true and R is the correct explanation of A

c) A is true but R is false

d)  A is false but R is tru

Ans: b

 

 

 

338. Assertion (A) : All the protiens in our food are digested in small instenise only.

Reason ( R) : The protein –digesting enzymes from pancreas are released in to small intestine.

Direction: The following question consist of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answer to these items using the codes given below

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true  but and R is the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: d

339.  Assertion (A): Amoeba reproduces by fission.

Reason (R) : All unicellular organism reproduce by asexual methods.

Direction: The following question consist of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answer to these items using the codes given below

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true but R is not the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: c

 

340. Assertion (A): The person with diabetes insipidus    feels thirsty.

Reason ( R) : A person with diabetes insipidus suffers from excess secretion of vasopressin.

Ans: c

 

341. Which one of the following diseases of milching animals are infectious?

1.    Foot and Mouth disease

2.    Anthrax

3.    Black Quarter

4.    Cow pox

Select the correct answer using the codes given below:

a)    1, 2 and 3

b)    2, 3 and 4

c)     1 and  4

d)    1, 2, 3 and  4

Ans: d

 

342. Under which one of the Minister of the Government of India does the Food and Nutrition Board work?

a) Minister of Agriculture.

b) Minister of Health and Family Welfare.

c) Minister of Human Resource Development

d) Minster of Rural Development

Ans: b

 

343. Consider the following statement:

1.    Dengue is a protozoan disease transmitted by mosquitoes.

2.    Retro – orbital pain is not a symptom of Dengue.

3.    Skin rash and bleeding from nose and gums are some of the symptoms of the Dengue.

Which one of the following is/are correct?

a)    1 and  2

b)    3 only

c)     2 only

d)    1 and  3

Ans: b

 

344.  Consider the following statements:

1.    Caffeine, a constituent of tea and coffee is a diuretic

2.    Critic and is used in soft drinks

3.    Ascorbic acid is essential for the formation of bones and teeth.

4.    Critic acid is a good substitution for ascorbic acid in our nutrition.

Which one of the statements following is/are correct?

a)    1 and  2, only

b)    1,2 and 3, only

c)     3 and  4 only

d)    1, 2, 3 and 4

Ans: b

 

345. What is the name of the vessel that delivers the nutrient rich blood from the stomach & small intestine to the livers?

a)    Left hepatic artery

b)    Hepatic vein

c)     Right heptic artery

d)    Hepatic portal vein

Ans: d

 

346. Consider the following statements with reference to human body?

1.    The common bile duct release its contents into stomach.

2.    The pancreatic duct releases its contents into duodenum.

Which one of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans:  b

 

347. Consider the following statements

1.    Meningococcal Meningitis is transmitted from person to person by mosquito bites.

2.    Vomiting and neck pain are two of the symptoms of Meningococcal meningitis.

Which one of the statements following is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans:  b

 

348. Which one among the following is not a good source of nutritional calcium?

a)    Rice

b)    Ragi

c)     Skimmed milk

d)    Egg

Ans: a

 

349. Consider the following statements:

1.    ELISA test is employed as the first and most basic test for an individual to detect cancer.

2.     Almost 50% of human beings have Rh + blood while the remaining have Rh – blood.

Which one of the statements following is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Direction: The following question consist of two statements, one labeled as the Assertion (A) and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answers to these items using the codes given below

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true but R is the correct explanation of A

c) A is True but R is false

d)  A is false but R is true

Ans:  d

 

350.  Assertion (A): Cellulose is used in making shatter proof glass.

Reason ( R) : Polysaccharides are not soluble in water.

Ans: d

 

351. Which one of the following is the correct sequence in the order of decreasing length of the three structureal parts given below of small intestine in the human body?

a)    Jejunam – Duodenum – IIeum

b)    IIeum – Duodenum – Duodenum

c)     Jejunum – Ileum –Duodenum

d)    Ileum – Jejunum –Duodenum

Ans: d

 

352. In human boy, which one of the following hormones regulates blood calcium and phosphate?

In human body, which one of the following hormones regulates blood calcium and phosphate?

a)    Glucagon

b)    Growth hormone

c)     Parathyroid

d)    Thyroxine

Ans: c

 

353. How do most insects respire?

a)    Through skin

b)    Through gills

c)     BY lungs

d)    BY tracheal system

Ans: d

 

354. In human being, normally in which one of the following parts, does a sperm fertilize the ovum?

a)    Cervix

b)    Fallopian tube

c)     Lower part f uterus

d)    Upper part of uterus

Ans: b

 

355. Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?

a)    Cerebellum

b)    Cerebrum

c)     Medulla oblongata

d)    Pons

Ans: c

 

356. Production of which one of the following is a function of the liver?

a)    Lipase

b)    Urea

c)     Mucus

d)    Hydrochloric acid

Ans: b

 

357. Which of the following is not a digestive enzyme in the human systems?

a)    Cholecystokinin

b)    Gastrin

c)     Secretin

d)    All of the above

Ans: d

 

358. Which of the following types of light are strongly absorbed by plants?

a)    Violet and orange

b)    Blue and red

c)     Indigo and yellow

d)    Yellow and violet

Ans: b

 

359. In the human body, which structure is the appendix attached to?

a)    The large intestine

b)    The small intestine

c)     The gall bladder

d)    The stomach

Ans: a

 

360. Robert Webster is known for his work associated with which one of the following?

a)    Cardiology

b)    Influenza virus

c)     HIV –AIDS

d)    Alzheimer

Ans:   b

 

361. Which one of the following parts of the pitcher plant becomes modified into pitcher?

a)    Stem

b)    Leaf

c)     Stipule

d)    Petiole

Ans: b

 

362. Consider the following statements about probiotic food:

1.    Probiotic food contains live bacteria which are cindered beneficial to humans.

2.    Probiotic food helps in maintaining gut flora.

Which of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans: c

 

363. What is the pH level blood of normal person?

a)      4.5 – 4. 5

b)     6. 45 – 6.55

c)      7. 35 – 7.45

d)     8. 25 – 8.35

Direction: The following 4 (four)  items consist of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answer to these items using the codes given below:

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true but R is the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: c

364.   Assertion (A): In Human body, liver has an important role in fat digestion

Reason ( R): Liver produces two importance fat-digesting enzymes.

Ans: c

365. Among the following, which of the following, which one lays eggs and does not produce young ones directly?

a)    Echidna

b)     Kangaroo

c)     Porcupine

d)    Whale

Ans: a

 

366. The release of which following into ponds and wells helps in controlling the mosquitoes?

a)    Crab

b)    Dogfish

c)     Gambusia fish

d)    Snail

Ans: a

 

367.  Which one of the following is an insectivorouss plant?

a)    Passion flower plant

b)    Pitcher plant

c)     Night queen

d)    ‘Flame of the forest.

Ans: b

 

368. For which one of the following snakes is the diet mainly composed of other snakes?

a)    Krait

b)    Russell’s viper

c)     Rattlesnake

d)    King cobra

Ans: d

 

369. In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?

a)    Dragonfly

b)    Honeybee

c)     Spider

d)    Pit viper

Ans: b

 

370.   Consider the following statements:

1.    Sweet orange plant is propagated by grating technique.

2.    Jasmine plant is propagated by layering technique.

Which of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans: c

 

371. In the context of genetic disorders, consider the following: A women suffers from color blindness while her husband does not suffer from it, They have a son and a daughter. In this context, which one of the following statements is most probably correct?

a)    Both children suffer from colour blindness.

b)    Daughter suffers from colour blindness while son does not suffer from it.

c)     Both children do not suffer from colour blindness.

d)    Son suffers from colour blindness while daughter does not suffer from it.

Ans: d

 

372.  Consider the following:

a)    Camphor

b)    Chicory

c)     Vanilla

Which of the above is/are plant product (s)?

a)    1 and 2 only

b)    3 only

c)     1 and 3 only

d)    1, 2 and  3

Ans: d

 

373. In making the saffron spice, which one of the following parts of the plant is used?

a)    Leaf

b)    Petal

c)     Sepal

d)    Stigma

Ans: d

 

374. With reference to the evolution of living organisms,

Which one of the following sequences is correct?

a)    Octopus –Dolphin – Shark

b)    Pangolin – Tortoise –Hawk

c)     Salamander – python – Kangaroo

d)    Frog – Crab – prawn

Ans: c

 

375. Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?

a) Malaria is caused by several species of plasmodium

b) Man does not develop immunity, to r malaria during natural infection

c) Vaccines can be developed only against bacteria

d) Man is only an intermediate host and not the definitive host

Ans: a

 

376. A pesticide which is a chlorinated by drocarbon is sprayed on a food crop. The food chain is: Food crop –Rat-snake- Hawk. In this food chain, the  highest concentration of the pesticide would  accumulated in

Which one of the following?

a)    Food crop

b)    Rat

c)     Snake

d)    Hawk

Ans: d

 

377. King Cobra is the only snake that makes its own nest. Why does I make its nest?

a)    It is a snake – eater and the nest helps attract other snakes

b)    It is viviparous snake and needs a nest to give birth to its offspring

c)     It is an oviparous snake and lays its eggs  in the nest and guards the nest until they are hatched

d)    It is a large, cold blooded  animal and  needs a nest to hibernate in the cold season

Ans: c

 

378. Some species of plants are insectivorous, why?

a)    Their growth in shady and dark places does not allow them to undertake sufficient photosynthesis and thus they depend on insects for nutrition

b)    They are adapted to grow in nitrogen deficient soils ad thus depend on insects for  sufficient nitrogenous nutrition

c)     They cannot synthesize, certain vitamins themselves and depend on the insects digested by them

d)    They have remained in that particular stage of evolution as living fossils., a link between autotrophs and heterotrophs

Ans: b

 

379. Which one of the following process in the bodies of living organisms is digestive process?

a) Break down of proteins in to amino acids

b) Breakdown of glucose into CO-2 and H2 0

c) Conversion of glucose into glycogen

d) Conversion of amino acids into proteins

Ans: a

 

380. From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?

a)    Otter –Tortoise – Shark

b)    Shark – Tortoise – Otter

c)     Tortoise –Shark –Otter

d)    Shark –Otter- tortoise

Ans: b

 

381. Consider the following statements:

a)    Hepatitis B is several times more infectious than HIV/AIDS

b)    Hepatitis B can cause liver cancer

Which of the statements given above is/are correct?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2

Ans: c

 

382. Consider the following statements:

1.    Every individual in the population I equality susceptible host for Swine Flu.

2.    Antibiotics have no rule in the primary treatment of Swine Flu.

3.    To prevent the future spread of Swine Flu in the epidemic area, the swine (pigs) must all be culled.

Which of the statements given above is/are correct?

a)    1 and  2 only

b)    3 only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  a

 

383. With regard to the transmission of the Human Immunodeficiency virus, which one of the following statements is not correct?

a)    The chances of transmission from female to male are twice as likely as from male to female

b)    The chances of transmission are more if a person suffers from other sexually transmitted infection

c)     An infected mother can transmit the infections to her baby during pregnancy, at child birth and by breast feeding

d)    The risk of contracting infection from transfusion of infected blood is much higher than an exposure to contaminated needle

Ans:  a

 

384.  A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is

a)    O positive

b)    A positive

c)     B positive

d)    Cannot be determined on the basic of the given data

Ans: a

 

385. Aspartame is an artificial sweetener sold in the market. It consists of a minor acids and provides calories like other amino acids. Yet, it is used as low- calories sweetening agent in food items. What is the basis of this use?

a)    Aspartame is as sweet as table sugar, but unlike table sugar, it is not readily oxidized in human body due to lack of requisite enzymes.

b)    When aspartame is used in food processing, the sweet taste remains, but it becomes resisitant to oxidation.

c)     Aspartame is as sweet as sugar, but after ingestion into the body, it is converted in to metabolites that yield no calories.

d)    Aspartame is several times sweeter than table sugar, hence food items made with small quantities of aspartame yield fewer calories on oxidation.

Ans: b

 

386. At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?1.    It is possible to know the pedigree of livestock.

2.    It is possible to understand the cause of all human diseases.

3.    It is possible to develop diseases – resistant animal breeds.

Which of the statements given above is/are correct?

a)    1 and  2 only

b)    2 only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  d

 

387. When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because

a)    Water from soil cannot rise to aerial parts.

b)    Roots are starved of energy.

c)     Tree is infected by soil microbes.

d)    Roots do not receive oxygen for respiration.

Ans: b

 

388. Regular intake of fresh fruits and vegetables is recommended in the diet since they area good source of antioxidants. How do antioxidants help  a person maintain health and promote longevity?

a)    They active the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency.

b)    They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy.

c)     They neutralize the free radicals product in the body during metabolism

d)    They activate certain genes in the cells of the body and help delay the ageing process.

Ans: c

 

389. There is concern over the increase in harmful algal blooms in the sea water of India. What could be the causative factors for this phenomenon?

a)    Discharge of nutrients form the estuaries.

b)    Run –off from the land during the monsoon

c)     Upwelling in the seas.

Select the correct answer from the codes given below:

a)    1 only

b)    1 and  2 only

c)     2 and 3 only

d)    1,2 and 3

Ans:   d

 

390. Consider the following kinds of organisms:

a)    Bat

b)    Bee

c)     Bird

Which of the above is/are pollinating agent/agents?

a)    1 and  2 only

b)    2only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  d

 

391. Consider the following kids of organisms:

1.    Bacteria

2.    Fungi

3.    Flowering plants

Some species of which of the above kinds of organisms are employed as bio fertilisers?

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

392. With reference to the usefulness of the by – products of sugar industry, which of the following statements is/are correct?

a)    Bagasse can be used as biomass fuel for the generation of energy.

b)    Molasses can be used as one of the feedstock for the production of synthetic chemical fertilizers.

c)     Molasses can be used for the production of ethanol.

Select the correct answer using th codes given below:

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

393. Improper handling and storage of cereal grains and oil seeds results in the production of toxins known as aflatoxins which are not generally destroyes by normal cooking process. Aflatoxins are produced by

a)    Bacteria

b)    Protozoa

c)     Moulds

d)    Viruses

Ans: c

 

394. In the grasslands, tree do not replace the grasses as a part of an ecological succession because of

a)    insects and fungi

b)    limited sunlight and paucity of nutrients

c)     water limits and fire

d)    None of the above

Ans: c

 

395. Consider the following minerals

a)    Calcium

b)    Iron

c)     Sodium

Which of the minerals given above is /are required by human body for the contraction of muscles?

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

396. Many transplanted seedlings do not grow because

a)    the new soil does not contain favorable minerals

b)    most of the root hairs grip the new soil too hard

c)     most  of the  root hairs are lost during transplantation

d)    leaves get damaged during transplantation

Ans: c

 

397. Which of the following statements is /are correct?

a)    Viruses lack enzymes necessary for the generation of energy.

b)    Viruses can be cultured in my synthetic medium.

c)     Virus are transmitted form one organism to another by biological vectors only.

Select the correct answer using the codes given below:

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: a

 

398. Which of the following leaf modificationsoocurs/ occur in desert areas to inhabit water loss?

1.    Hard and waxy leaves

2.    Tiny leaves or no leaves

3.    Throns instead of leaves

Select the correct answer using the codes given below

a)    1 and  2 only

b)    2only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  d

 

399. Consider the following pairs:

Vitamins Deficiency?   : Diseases

1.    Vitamin C            : Scurvy

2.    Vitamin D            : Rickets

3.    Vitamin E            : Night blindness

Which of the pairs above is/are correctly matched?

a)    1 and  2 only

b)    3 only

c)     1,2 and  3

d)    None

Ans:  a

400. Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

a)    algae and bacteria

b)    algae and fungi

c)     bacteria and fungi

d)    fungi  and mosses

Ans: b

 

401. Which one of the following is the process involved in photosynthesis?

a)    Potential energy is released to form free energy

b)    Free energy is converted in to  potential energy and stored

c)     Food is oxidized to relase carbon dioxide and water

d)    Oxygen is taken, and carbon dioxide and water vapor are given out

Ans: b

 

402. Which of the following is/are correct regarding vegetative propagation of plants?

1.    Vegetative propagation produces clonal population

2.    Vegetative propagation helps in eliminating the virus.

3.    Vegetative propagation can be practiced most of the year.

Select the correct answer using the codes given below:

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

403. Among the following organisms, which one does not belong to the class of other three?

a)    Crab

b)    Mite

c)     Scorpin

d)    Spider

Ans: a

 

404. Consider the following

1.    Bats

2.    Bears

3.    Rodents

The phenomenon of hibernation can be observed in

Which of the above kinds of animals?

a)    1 and  2 only

b)    2 only

c)     1, 2 and  3

d)    Hibernation cannot be observed in any of the above

Ans:  c

 

405. HINI Virus is sometimes mentioned in the news with reference to which one of the following diseases?

a)    AIDS

b)    Bird flu

c)     Dengue

d)    Swine flu

Ans: d

406. In eye donation, which one of the following parts of donor’s eye is utilised?

a)    Iris

b)    Lens

c)     Cornea

d)     Retina

Ans: c

 

407. Which one of the following genetic diseases is sex linked?

a)    Royal haemophilia

b)    Tay – Sachs disease

c)     Cystic fibrosis

d)    Hypertension

Ans: a

 

408. Neem tree has acquired industrial importance as a source of

a)    biopesticide and anti –fertility compound

b)    anti –fertility compound, bio fertilizer and anti-cancer grug

c)     bio fertilizer, bio pesticide and bioferility compound

d)    anti –cancer drug, bio pesticide and bio fertilizer

Ans: c

 

409. Lathyrism is caused by excessive consumption of

a)    Kasari dal

b)    Mustard oil

c)     Polished rice

d)    Mushrooms

Ans: a

 

410. Barium in a suitable form is a administered to patients before an X-ray examination of the stomach, because

a)    barium allows X-rays to pass through the stomach on account of its transparency to x-rays

b)    barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination

c)     barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture

d)    barium salts are white in color and this helps the stomach to appear clearly in contrast with other regions in the picture

Ans: c

 

411. When ants bite, they inject

a)    glacial acetic acid

b)    methanol

c)     formic acid

d)    stearic acid

AnS: c

 

 

412. Which one of thefolloiwng is useful functional association between fungi and the roots of higher plants?

a)    Biofertilizer

b)    Coralloid root

c)     Lichen

d)    Mycorrhiza

Ans: d

 

413. Match the hormones in List I with items in List II and select the correct answer using the codes given below the Lists:

            List I             : List II

A.    Adrenalin        : 1. Anger, Fear, Danger

B.    Estrogen          : 2. Attracting partners of smell through sense

C.    Insulin               : 3. Females

D.    Pheromones   : 4. Glucose

Codes:

         A     B   C     D

a)    3     1   4    2

b)    1     3   2    4

c)     1    3    4    2

d)    3    1    2    4

Ans: c

414. Match List I (Drugs/Chemicals) with List II (Their uses) and select the correct answer using the codes given below the Lists:

             List I                 : List II

A.     Atropine         :  1. Local anesthesia

B.    Ether                 : 2. Heart trouble

C.    Nitroglycerine:  3. Dilation of pupil

D.   Pyrethrin          : 4. Mosquito control

Codes:

          A     B    C    D

a)     1     3    2    4

b)     1     3    4    2

c)      3    1    4     2

d)     3    1    2     4

Ans: a

 

415. Biological Oxygen Demand (BOD) is a standard criterion for

a)    Measuring oxygen levels in blood

b)    Computting oxygen  levels in forest ecosystems

c)     Pollution assay in aquatic ecosystems

d)    Assessing oxygen levels in high altitude regions

Ans: c

 

416. Consider the following statements:

1.    In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.

2.    Sexual transmission of Zinka virus disease is possible.

Which of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans: c

 

 

417. Which of the following leaf modifications occur(s) in the desert areas to inhabit water loss?

1.    Hard and waxy leaves

2.    Tiny leaves

3.    Throne instead of leaves

Select the correct answer using the code given below:

a)    2 and 3 only

b)    2 only

c)     3 only

d)    1, 2 and  3

Ans: d

 

418. Consider the following:

1.    Birds

2.    Dust blowing

3.    Rain

4.    Wind blowing

Which of the above spread plant diseases?

a)    1 and  3 only

b)    3 and 4 only

c)     1,2 and 4 only

d)    1, 2, 3 and  4

Ans: d

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                                         BIOLOGY

 

1. The content of water is greater than fats, in the plasma, proteins are more than fats and fats less than plasma. Which constitutes the major part of the human body?

a)      Fats

b)      Water

c)       Plasma

d)      Proteins

Ans: b

 

2. Pulse reading is done by doctors to find out

a)    Temperature

b)    Heart beat

c)    Blood pressure

d)   Respiration rate

Ans

3. After how many days rash appears on the body after the attack of Measles?

a)      One day

b)      Four days

c)       Six days

d)      One week

Ans: d

 

4. The Vitamin responsible for anti – sterile activity is

a)    Vitamin A

b)    Vitamin B

c)    Vitamin C

d)   Vitamin E

Ans: d

 

5. It is not advisable to sleep under tree at night because of the

a)       Release of oxygen in lesser amount

b)      Release of oxygen in larger amount

c)       Release of carbon monoxide

d)       Release of carbon dioxide

Ans: d

 

6. Higher plants take up nitrogen as

a)      Nitrites only

b)     Nitrates only

c)    Nitrates and ammonia

d)     Urea

Ans: c

 

7. Green plants in the sea are useful for the respiration of fish because

a)      They give out oxygen

b)      They give out carbon dioxide

c)       The give out oxygen and carbon dioxide simultaneously

d)       They take oxygen and give out carbon dioxide

Ans: a

 

8. Strips on the back the animals are the indication of

a)      Mating habit

b)      Food habit

c)       Cave dwelling

d)      Matching of skin color with surroundings

Ans: d

 

9. Which of the following is a balanced fertilizer for plants?

a)       Urea

b)      Ammonia sulphate

c)      Nitrates

d)     Compost

Ans: d

 

10. Which of the following is not immunised by ‘Triple Antigen’?

a)      Typhoid

b)      Whooping cough

c)      Tetanus

d)      Diphtheria

Ans: a

 

11. Milk fever in cows occurs due to the lack of

a)      Phosphates

b)      Calcium

c)       Iron

d)      Iodine

Ans: b

 

12. After hatching by the hen, the young chicks come out of eggs within

a)      One weeks

b)      Two weeks

c)       Three weeks

d)      Four weeks

Ans: c

 

 

13. Which one of the following is a fast growing tree?

a)       Teak

b)       Eucalyptus

c)        Banyan

d)        Coconut

Ans: b

 

14. Decrease in white blood cells results in

a)       Decrease in Antibodies

b)       Increase in Antigens

c) )      Increase in Antibodies

d)        No change

Ans: b

 

15. In India people suffer from Anemia due to lack of

a)      Iron

b)      Iodine

c)       Calcuiam

d)      Potassium

Ans: a

 

16. Reserpine derived from the plant ‘Serpentina’ is used to

a)      Alleviate pains

b)      Alleviate high blood pressure

c)      Alleviate low blood pressure

d)     Cure rickets

Ans: c

 

17. In India it is found recently that incidences of Malaria is increasing because

a)      The mosquitos have become DDT resistant

b)      Of poverty in villages

c)      Of poor sanitary conditions

d)      On account of increase in population it has become impossible to maintain cleanliness every where

Ans: a

 

18. Less dew is formed on cloudy with nights because

a)       Clouds absorb the falling dew

b)       Clouds scatter moisture

c)       Cloudy nights the radiation take place very slowly

d)      In cloudy nights the radiation takes places very quickly

Ans: d

 

19. Feeding of milk cattle with cotton seeds

a)    Increases fat content temporarily

b)    Decreases fat content temporarily

c)    May decrease or increase fat content

d)    Causes no change in fat content

Ans: a

 

20. Mouth and foot diseases in cattle are caused due to

a)       Bacteria

b)       Virus

c)      Fungi

d)     Pencillium

Ans: b

 

21. A body partially floats water when

a)      The volume of the displaced liquid is equal to the volume of the body

b)      The volume of the displaced liquid greater than the volume of the body

c)       The weight  of the displaced water is equal to the weight of the body

d)      The weight of the displaced water is greater than the weight of the body

Ans: a

 

22. Permanent hardness of water cannot be removed by

a)      Boiling

b)      Adding caustic soda

c)       Distillation

d)      Adding soda

Ans: a

 

23. In summer, man with excess perspiration feels weak, because of the

a)       Loss of more water through evaporation

b)     Loss of slats through evaporation

c)      Loss of slats carbohydrates through evaporation

d)      All factors mentioned above

Ans: d

 

24. The two branches of plant give two different fruits: tomatoes and brinjals. This can be explained

a)       By hybridsation

b)       By grafting one with the other

c)        By nature’s freak

d)      By (a) or (c) mentioned above

Ans: b

 

25. The function of the liver is to

a)      Promote digestion of food

b)      Promote respiration

c)       Store glucose as glycogen

d)      None of these

Ans: d

 

26. Which of the following can be said as the “Theory of Darwin”?

a)      Survival of the fittest and struggle for existence

b)      Weak and strong always maintain a fixed proportion

c)       Different species do not arise genetic mutation

d)      None of the these

Ans: a

 

27. The tern ‘Test Tube Baby’ implies

a)     Fertilisation of ovum takes places in the test tube but it develops in uterus

b)     Fertilisation of ovum takes places in the test tube and develops in the test tube itself

c)     Fertilistion of the ovum takes places in the uterus but develops in the tube

d)   Fertilisation takes places in uterus and embryo develops in uterus

Ans: a

 

28.  Decompositions of organic matter is due to

a)      Virus

b)      Fungi

c)       Bacteria

d)      None of the these

Ans: c

 

29. Carbohydrates, proteins and vitamins which are responsible for energy, growth and vitality are obtained respectively from

a)      Cereals, milk and vegetables

b)      Milk, pulses and cereals

c)       Milk, pulses and vegetables

d)      Pulses, vegetables and cereals

Ans: a

 

30. The growth of seeding plants after transplantation will not always be proper because

a)      New soil may not contain the required minerals

b)      During transplantation root hairs get damaged

c)       Roots cannot penetrate deep into the soil

d)      Of all factors stated above

Ans: d

 

31. BCG Vaccination is to given to a new born child

a)     a)  Immediately after birth

b)    b)   Within 48 days

c)      c)  Within seven days

d)     d)  Within six months

Ans: c

 

32. Which of the following cows gives maximum milk yield?

a)      Jersey

b)      Holstein

c)       Red Sindhi

d)      Sahiwal

Ans:  b

 

( 1980)

33. Another name of vitamin C is

a)      Folic acid

b)      Ascorbic acid

c)       Niacin

d)      Acetic acid

Ans: b

 

34. Dialysis is used for a patient suffering from

a)      Kidney trouble

b)      Liver trouble

c)       Lung trouble

d)      Heart trouble

Ans: a

 

35. Green colour of plants is due to the presence of

a)      Chlorophyll II

b)      Sugar

c)     Mitochondria

d)      Xylem

Ans: a

 

36. The deficiency of vitamin D causes

a)      Rickets

b)      Night blandness

c)       Pellagra

d)      Scurvy

Ans: a

 

37. During processing and cooking which part of food is mostly destroyed?

a)    Portis

b)   Vitamins

c)   Carbohydrates

d)  Fats

Ans: a

 

38. Which one of the following is secreted by pancreases and regulates the amount of sugar in the body?

a)     Renin

b)    Creatin

c)    Vitamin

d)    Insulin

Ans: d

 

39. Identical twins are born when

a)      Two sperms fertilize one ovum

b)      Two sperms fertilizes two ovum simultaneously

c)   One sperm fertilize the ovum and zygote divides into two   separate cells developing independently

d)     One sperm fertilizes two ovum

Ans: c

 

40. Conception generally takes place at the times of

a)      Menses

b)      Before menses

c)       Immaedialty after menses

d)      Two weeks after menses

Ans: d

 

41. Why mothers feed the child with Vitamin A?

a)      To prevent rickets

b)      To prevent beri – beri

c)       To prevent night blindness

d)      To prevent polio

Ans: c

 

42. Growing children require comparatively more

a)      Proteins

b)      Carbohydrates

c)      Vitamins

d)      All of these

Ans: a

 

 

43. Heart patients should avoid taking excess of

b)  Fats

c)   Vitamins

d)    Carbohydrates

Ans: b

 

44. How dehydration helps in the preservation of food?

a)           Growth of micro- organism is cheeked

b)          Nutrients are concentrated

c)          Due  to excessive intake of water

Ans: a

 

a)     Because they become rotten easily and spread diseases

b)     Because they are not easily adjustable to new climate

c)     Because insects carried through fruits are dangerous

d)     All of the above

Ans

 

45. How the body temperature is maintained?

a)    Due to temperature regulating mechanism located in the base of the brain

b)    Due  to excessive intake of water

c)     Due to regular intake of foods

d)    Due to the constant flow of blood in the capillaries

Ans: a

 

46. Why the countries are scared to import fruits?

a)    Because they become rotton easily and spread dise

b)    Because they are not easily adjustable to new climate

c)     Because insects carried through fruits are dangerous

d)    All of the above

Ans: c

 

 

47. A person with which blood group will be universal donor?

a)      A

b)      B

c)      O

d)     AB

Ans: c

 

48. Dysentery

a)       Bacteria

b)      Viruses

c)       Bacteria and Viruses respectively

d)      Viruses and Bacteria respectiv

Ans: c

 

 

49. Which organ is associated with the production of insulin in the human body?

a)      Pancreas

b)      Liver

c)      Kidney

d)      Heart

Ans: a

 

 

50. When the rice is boiled, it expands because

a)      The starch gelatinises and swells

b)      The starch gets polymerised

c)       The grains absorb moisture and swell

d)      Sugars break down in the grains

Ans: c

 

 

51. Which of the following is the most common wheat disease in India?

a)     Green ear

b)     Smut

c)      Loose smut

d)      Rust

Ans: d

 

 

52. The sex of the offspring determined, when

a)     The conception takes place

b)     The sperm fertilises the ovum

c)     The embryo is partially developed

d)     The end of gestation period is near

Ans: b

 

 

53. Colour blindness is

a)      More common among women

b)     Very rare in women

c)      Very rare in men

d)      Found to the same extent in both the sexes

Ans: b

 

 

54. What happens when alcohols is taken in excess?

a)       It destroys the liver

b)      It produces inflammation of the stomach

c)       It causes the heart to become weak

d)      All of the above

Ans: d

 

 

55. The deficiency of ---cause’s goitre.

a)      Sulphur

b)      Iodine

c)       Calcium

d)      Vitamin A

Ans: a

 

 

56. Which of the following crops has the highest photosynthetic activity?

a)      Cotton

b)    Sugarcane

c)      Rice

d)     Wheat

Ans: b

 

 

 

57. Flood hit areas are to be immediately given medical cover. Which of the following is the most appropriate step?

a)      BCG injection

b)      Inoculation against Cholera

c)     Smallpox vaccination

d)     None of these

Ans: b

 

 

58. The rich source of iron is

a)      Eggs

b)      Green vegetables

c)      Pulses

d)      Milk

Ans: b

 

 

59. Which among the following acts as a resistance against disease in the body?

a)    Vitamins

b)    Carbohydrates

c)     Red Corpuscles

d)     White Corpuscles

Ans: d

 

 

60. Vitamins do not act as a/an

a)      Source of energy

b)      Stimulant in the growth of the body

c)       Agent in regulating the chemical processes in the body metabolism

d)      All of the above

Ans: a

 

 

61. Which of the following enters human body through skin?

a)      Tape Worn

b)      Hook worm

c)       Ring worm

d)      Thread worm

Ans: c

 

 

62. Honey bees are called social insects because

a)    They visit all flowers to collect nectar

b)    They live among men

c)    They depend for their food upon other members

d)   They move socially with other insects

Ans: c

 

 

63. Milk of the animals fed on grass contains large amount of fat in

a)     Summer

b)     Winter

c)     Spring

d)     Autumn

Ans: a

 

 

64. A universal donor has the blood group belonging  to

a)      A

b)      B

c)      O

d)     AB

Ans: c

 

 

65. Retina in the eyes acts as a --- in the camera

a)      Lens

b)     Shutter

c)     Film

d)     None of the these

Ans: c

 

 

66. Chlorophyll is a/an

a)     Halogen acid

b)     A green pigment found in the plants

c)     A chloro- organic compound

d)     Element

Ans: b

 

 

67. Health hazard floods are responsible for the spread of

a)      Cholera

b)      Malaria

c)      Influenza

d)      Diarrhoea

Ans: a

 

 

68. Hydroponics means

a)      Cultivation of plants without the use of soil

b)      Detection of sound in water

c)      Animals living in water

d)      A Japanese way of flowering

Ans: a

 

 

69. During cardiac failure, which of the flowing is advised as a first aid?

a)      Mouth to mouth resuscitation

b)      Giving external cardiac massage

c)      Giving cool water to drink

d)      Giving complete body massage

Ans: b

 

 

70. Pearls are formed inside

a)      Squids

b)      Snails

c)       Oysters

d)      Molluscs

Ans: c

 

 

71. Dehydration in the human body results due to loss of

a)     Salts

b)     Water

c)     Vitamins

d)     Hormones

Ans: b

 

 

72. Ready sources of energy is available for athletes in

a)      Vitamins

b)      Fats

c)       Proteins

d)      Carbohydrates

Ans:  d

 

 

73. The easiest way of finding out the nutritional status for large number of children in a short times is by

a)      Studying their behavior

b)      Studying their hair, face and eyes

c)       Measuring their height and weight

d)       All of the above

Ans: c

 

 

74. To keep the seeds in good conditions, we should keep it in a place which is

a)      Warm and dry

b)      Warm and wet

c)       Cool and dry

d)       Cool and wet

Ans: c

 

 

75. The best conceiving season for cows and buffaloes is

a)     Summer

b)     Winter

c)      Spring

d)      There is no definite relationship between conceiving and season

Ans: d

 

 

76.  The most preferential poultry feed is

a)     Maize

b)     Barley

c)    Wheat

d)     Rice husk

Ans: a

 

 

77. Age of tree can be estimated by

a)      Counting the number of concentric rings

b)      Counting the nodes and  internodes of the trunk

c)       Measuring the girth of the tree trunk

d)      Counting the number of branches

Ans: a

 

 

78. Turmeric is obtained from which part of the plant?

a)      Fruit

b))     Stem

c)      Root

d)      Flower

Ans: b

 

 

79. The process of light exposure in a 24 – hour cycle that controls the growth and development of certain plants and animals is called?

a)       Photosynthesis

b)      Photoionisation

c)      Photoperiodism

d)      Photoluminescence

Ans: c

 

 

80. In typhoid which of the following drugs is administered?

a)     Chloromycetin

b)      Penicillin

c)     Sulphonamide

d)     Tetracycline

Ans: a

 

 

81. Amoebiasis, malaria and typhoid are diseases due to ameba, malarial parasites and typhoid bacillus which are collectively called

a)   Anthropods

b)   rotozoa

c)      Mollusca

d)      Pisces

Ans: b

 

 

82. Hypochondria is

a)  Disease of eyes

b)  Disease of sexual organs

c)  Disease of low blood pressure

d) State of morbid anxiety about one’s own health with complaint of imaginary disorders

Ans:d

 

 

83. Foot and mouth disease is prevalent among

a)     Cattle only

b)    Cattle and pigs only

c)    Sheep and cattle only

d)     Cattle, goats, sheep and other hoofed animals.

Ans: d

 

 

84. When one enters a dark room, he is not able to see anything but after some time his vision improves. This is because

a)   The retina of the eye forward

b)   The retina of the eye moves backward

c)   The pupil of the eye contracts

d)   The pupil of the eye dilates

Ans: d

 

 

85. The message received by and transmitted from the brain to the various parts of the body take the form of

a)     Nervous impulses

b)     Chemical impulses

c)     Mechanical impulses

d)     Automatic impulses

Ans: a

 

 

86. Gerontology is the study of

a)     Process of ageing

b)     Growth of cells

c)     Birds

d)    Vegetables

Ans: a

 

 

87. Hormones which are necessary for the development of the human body are secrete by

a)      Thyroid gland

b)      Pituitary gland

c)       Parathyroid gland

d)      Exocrine gland

Ans: b

 

 

88. The ductless and secretory glands in the human body are known as

a)      Endocrine glands

b)      Exocrine glands

c)       Salivary glands

d)      None of the above

Ans: a

 

 

89. Fat is stored in the human body in

a)      Muscular tissue

b)      Connective tissue

c)       Adipose tissue

d)      Epithelial tissue

Ans: c

 

 

90. Sugarcane crop matures in about

a)      2 months

b)      4 months

c)       8 months

d)      12 months

Ans: d

 

 

91. Gestation period of a goat is about

a)      150 days

b)      200days

c)       250 days

d)      365 days

Ans: a

 

 

92. Which of the following diseases is spread through sow’s milk?

a)      Diptheria

b)     Typhoid

c)     Measles

d)    None of theses

Ans: b

 

 

93. Arrange the following in descending order of their life spans:

a)      Elephant

b)      Horse

c)       Tiger

d)      Wolf

 

A.      A, B, C, D

B.      A, C, B, D

C.      C, A, B, D

D.      D, A, B, C

Ans: a

 

 

94. One of the friends is in hospital and we want to see him. We are safest if he is suffering from

a)      Mumps

b)      TB

c)      Small pox

d)      None of the above

Ans: d

 

 

95. Jaundice is caused due to the malfunctioning of

a)      Kidney

b)      Liver

c)       Pancreas

d)      Stomach

Ans: b

 

 

 

96. Which is not a parasite?

a)      Tick

b)      Housefly

c)       Bed bug

d)      Louse

Ans: b

 

 

97. Sex of a child is determined by the

a)      Chromosomes of father

b)      Chromosomes of mother

c)       Rh factors of parents

d)      None of the these

Ans: a

 

 

98. Which of the following groups represents the correct order of four types of teeth in human beings?

a)      Incisors, premolars, molars, canines

b)      Incisors, canines, premolars, molars

c)       Molars, canines, incisors, premolars

d)      Canines, incisors, molars, premolars

Ans: b

 

 

99. Which pair is correct?

a)      Se horse, Sea cucumber, Sea urchin

b)      Star fish, Cuttle fish, Dog

c)       House fly, Dragon fly, Butterfly

d)      Earthworm, Rain worm, Tapeworm

Ans: c

 

 

100. Triple Antigen does not immunize against

a)      Diptheria

b)      Tetanus

c)       Typhoid

d)      Whooping cough

Ans: c

 

101. Lichens is an association of two types of organisms. They are

a)    Algae and fungi

b)    Algae and virus

c)     Fungi and virus

d)    Virus and bacteria

Ans: a

 

102. What is the common feature in insects like ant and cockroach?

a)    They bite and chew their food

b)    They live in temperate climate conditions

c)     They have cutting and sucking type of mouth parts

d)    They are social insects

Ans: c

 

103. Which of the following is a perception without stimuli?

a)    Hallucination

b)    Illusion

c)     Claustrophobia

d)    None of these

Ans: a

 

104. Sir. J.C Bose was a great scientist because he showed the

a)    Sensitivity in plants

b)    Pigments in plants

c)     Growth in plants

d)    Relations between plants and animals

Ans: a

 

105. Match the following

A.    Mumps           : 1. Protozoa

B.    Tuberculosis: 2. Bacterium

C.    Beri – Beri      : 3. Virus

D.   Dysentery       : Lack of thiamine

Codes:

A     B     C     D

a)    3     2     4      1

b)    1     2     3      4

c)     1     2     4      3

d)    1     3     2      4

Ans: a

 

106. The genetic code can be translated through an intermediate, adaptor molecule by

a)    tRNA

b)    mRNA

c)     ATP

d)    ADP

Ans: b

 

107. Bile is secreted by

a)    Liver

b)    Gall bladder

c)     Kidney

d)    Pancreas

Ans: a

 

108. Match the following:

A.    Carbohydrate:   1. It constitutes oil, ghee, butter and oil seed

B.    Fat                     : 2. Animal and vegetable tissues

C.    Protein             :  3. excellent source of energy, constitutes starch, sugar, etc.

D.   Amino acids     : End product of protein hydrolysis

Codes:

        A     B     C     D

a)    3     1    2     4

b)    1     2    3     4

c)     2     1    3     4

d)    2     3    1     4

Ans: a

 

109. Ranikhet’ is a disease found in

a)    Poulatry

b)    Cows

c)     Sheep

d)    Dog

Ans: a

 

110. Which of the following statements about “Dinosaurs” is/are correct?

a)    The early man was contemporary of Dinosaurs

b)    Man appeared first after the Dinosaurs became extinct

c)     The Dinosaurs became extinct about six million years before the appearance of the first man on the earth

d)    The Dinosaurs became extinct about 200 million years before the first man appeared on the earth

Ans: c

 

111. Wisdom teeth normally grow during the age of

a)    34- 40 years

b)    12 – 15 years

c)     17 – 30years

d)    40 -  45 years

Ans: c

 

112. Sex chromosomes transmit which of the following diseases?

a)    Myopia

b)    Color blindness

c)     Long sightedness

d)    Night blind ness

Ans: b

 

113. ‘Acupuncture’ is a medical system of treatment prominently used in China in which

a)    Herbs are used for the pain relief

b)    Drugs are used for the pain relief

c)     Special needles are instead into particular parts of the body for the relief

d)    Electric shocks are applied for the relief of pain

Ans: c

 

114. Poliomyelitis is an epidemic virus infection. Which of the following is responsible for it?

a)    Rhabdo virus

b)    Entero virus

c)     Dengue virus

d)    Mumps virus

Ans: b

 

 

115. Snake bite first affects the

a)    Nervous system

b)    Blood circulation

c)     Brain

d)    Lungs

Ans: b

 

116. Assertion (A): Photosynthesis and vision are the phenomenon of visible light.

Reason ( R) : The visible light is absorbed by  small particles containing chlorophylls as well as the  retina

of the eye.

a)    if A and R both are correct and R  is the  correct explanation of A

b)    if A and R both are correct but R is not  the correct explanation of A

c)     if A is incorrect but R is correct

d)    if A is correct but R is incorrect

Ans: a

 

117.  Match the columns:

A.    Vitamin A    : 1. Beriberi

B.    Vitamin B    : 2. Rickets

C.    Vitamin C    : 3. Scurvy

D.   Vitamin D    : 4. Sterility

E.     Vitamin E    : 5. Night Blindness

Select the correct answer from the codes given below:

         A     B     C     D    E

a)    5    4     3     2     1

b)    5    1     3     2     4

c)     1    2     3     4     5

d)    3    2     1     5     4

Ans: b

 

118. A person walking barefooted in a field feels a sharp sting and on examination wo puncture marks are found on his leg. He is most probably bitten by

a)    Poisonous snake

b)    Non – poisonous snake

c)     Scorpion

d)    Rat

Ans: a

 

119. Influence of genes in controlling the activity of living organism is through

a)    Photosynthesis

b)    Protein synthesis

c)     Vitamins

d)    Hormones

Ans: b

 

120. Triple antigen vaccine is given to the children to protect them against

a)    Polio

b)    Whooping cough

c)     Contagious diseases

d)    None of the above

Ans: b

 

121. AIDS is

1.    Caused by Virus

2.    Carried by body fluid, blood and serum

3.    Found mostly in males

4.    Found mostly in homosexuals

Of these Statements:

a)    1 and 4 are correct

b)    1,2 and 4 are correct

c)   2 and 3 are correct

d)    1, 2, 3 and 4 are correct

Ans: b

 

122. The final product of photosynthesis is

a)    Carbohydrates

b)    Carbon dioxide

c)     Oxygen

d)    Water

Ans: c

 

123. Soybeans are rich in

a)    Proteins

b)    Vitamin A

c)      Mineral’s

d)    Carbohydrates

Ans: a

 

124. Which of the following pairs is/are correct?

a)    Kiwi         – Bird

b)    Alligator  – Crocodile

c)     Bat          – Mammal

d)    Fish         - Pisces

Ans: b

 

125. Which of the following pairs is/are correct?

A.    Main root    – Storage

B.    Lateral root – Absorption

C.    Root hair     – Conduction

Select the correct answer the codes given below:

a)    Only A

b)    A and C

c)     All are correct

d)    None of the above

Ans: a

 

126.  Match the columns:

A.    Otitis              : 1. Throat

B.    Encephalitis  : 2. Ear

C.    Laryngitis      : 3. Liver

D.   Hepatitis       : 4. Brian

: 5. Kidney

Select the correct answer using the codes given below:

       A     B     C   D

a)    1    2     3    4

b)    4    3     1    2

c)     2    4     1    3

d)    3    4     1     3

Ans: c

 

127. Which of the following is/are found in plant cells but not in those of animals?

a)    Plastid & Cellular wall

b)    Chromosome

c)     Mitochondria & Golgi apparatus

d)    Cell wall & lysozyme

Ans: a

 

128. Which of the following diseases is hereditary?

a)    Hemophilia

b)    Tuberculosis

c)     Cancer

d)    Dysentery

Ans: a

 

129. Ultra filtering units of kidney are known as

a)    Nephron

b)    Glomerulus

c)     Vena Cava

d)    Tubule

Ans: a

 

130. The human body is immune to which of the following diseases?

a)    Small pox

b)    Diabetes

c)     Tuberculosis

d)    Jaundice

Ans: a

 

131. Temperature in human beings is controlled by

a)    Pituitary gland

b)    Thyroid gland

c)     Hypothalamus gland

d)    Adrenal gland

Ans: c

 

132. ‘Blight’ – the disease of potato can be cured by

a)    Diaphone

b)    Bordeaux mixture

c)     Dionine T-4

d)    Agrimycin and Ceresan

Ans: c

 

133. India’s indigenous pigs generally give birth to young ones at a time?

a)   2 – 4

b)   4 – 6

c)   6 – 8

d)   8 – 10

Ans: d

 

134. Blood grouping was discovered by

a)    Landsteiner

b)    Robert Koch

c)     William Harvey

d)    Louis Pasteur

Ans: a

 

135. A good source of vitamin A is

a)    Carrot

b)    Potato

c)    Rice

d)   Tomato

Ans: a

 

136. Which of the following is not a seed – borne disease?

a)    Brown leaf spot of rice

b)    Black arm of cotton

c)     Red rot of sugarcane

d)    Potato mosaic

Ans: c

 

137. Which of the following is necessary for improvement of the quality of crops?

1. Introduction

2. Hybridization

3. Selection

4.  Segregation

Codes:

a)    2, 3 and 4

b)    1, 2, 3 and 4

c)     1, 2  and 3

d)    2  and  3

Ans:a

 

138. Which of the following fertilisers leave acidic residue?

a)    Ammonium phosphate

b)    Ammonium  Sulphate

c)     Urea

d)    Sulphate of potash

Ans: b

 

139. UP – 308 is a variety of

a)    Millet

b)    Rice

c)     Cotton

d)    Wheat

Ans: d

 

140. Foetus development in women’s womb can be ascertained by

a)    CAT scanning

b)    Ultrasound

c)     PTT scanning

d)    Co – 27 experiment

Ans: b

 

141. Plants take nitrogen in the form of

a)    Nitrates

b)    Ammonia

c)     Nitrates

d)    Element

Ans: c

 

142. Opium is obtained from

a)    Tablet type latex

b)    Latex juice

c)     Seed capsule of opium poppy

d)    Poppy leaves

Ans: d

 

 

143. The cure which of the following diseases exists?

a)    Blood cancer

b)    Hepatitis – B

c)     Breast Cancer

d)    Lung Cancer

Ans: b

 

144. ELISA test is prescribed for

a)    AIDS

b)    Typhoid

c)     Polio

d)    Cancer

Ans: a

 

145. Which of the following is a living fossil?

a)    Blue green algae

b)    Green algae

c)     Fungus

d)    Ginkgo

Ans: d

 

146. Match the columns

A.    Bajra            :  1. Rust

B.    Wheat         :  2. Wilt

C.    Groundnut :  3. Tikka

D.   Banana        :  4. Ergo

Select the correct answer using the codes given below:

               A       B      C     D

a)        1       2      3      4

b)        1       4      3      2

c)         4       1      3      2

d)        4       2      1      3

Ans: c

 

147.  Photosynthesis generally occurs in which portions of the plant?

a)    Leaf and other chloroplast bearing parts

b)    Steam and leaf

c)     Roots and chloroplast bearing parts

d)     Bark and leaf

Ans: a

 

148. Which of the following varieties are correctly matched to their respective plant types?

a)    CHS –I    : 1. Rice

b)    IR – 8     : 2. Wheat

c)     RR –21  : 3. Jowar

d)    HB – 4   :  4. Sugarcane

: Bajra

Select the correct answer using the codes given below:

            A      B     C     D

a)      3      1     2     5

b)      5      4     3     2

c)       2     3      5      1

d)      1     3      4      2

Ans: a

 

149. ‘Khaira’ is plant disease caused due to the deficiency of

a)    Iron

b)    Carbon

c)     Zinc

d)    None of the above

Ans: c

 

150. Azolla gives a good biofertilizer when mixed with

a)    Blue – green aglae

b)    Cow dung

c)     Bone – meal

d)    Urea

Ans: a

 

151. The type crop which is able to fix nitrogen from air is known as

a)    Tuber

b)    Coffee

c)     Legume

d)    Wheat

Ans: c

 

152. The saliva helps in the digestion of

a)    Starch

b)    Proteins

c)     Fibres

d)    Fats

Ans: a

 

153. Amniocentesis is method for

a)    Determination of foetal sex

b)    Separation of amino acids

c)     Determination of the sequence of amino acids in a protein

d)    Inducing abortion

Ans: a

 

154. Water hyacinth is related to

a)    Lemna

b)    Pistia

c)     Eichornia

d)    None of the these

Ans: c

 

155. Assertion (A) : Earthworms are useful to man.

Reason ( R) : Earthworms help in Nitrogen  Fixation in plants.

a)    Both A and R are true and R is the correct explanation of A

b)    Both A and R are true but R is NOT a correct explanation of A

c)     A is true but R is false

d)    A is false but R is true

Ans: c

 

156. Acid rain is caused by pollution of environment by

a)    Carbon dioxide and nitrogen

b)    Carbon monoxide and Carbone dioxide

c)     Ozone and carbon dioxide

d)    Nitrous oxide and sulpure dioxide

Ans: d

 

 

157.  Which one of the following is a breed of cattle famous for high milk yield as well as draught capacity?

a)    The kankrey

b)    The Tharparkar

c)     The Haryana Breed

d)     The Rathi breed

Ans: d

 

158. Which of the following is not element of the bone?

a)    Calcium

b)    Phosphorus

c)     Carbon

d)    Oxygen

Ans: c

 

159. Inspiration and dissection a body after death in human beings as for determination of cause of death is called

a)    Autopsy

b)    Autotomy

c)     Autoesism

d)    Autograft

Ans: a

 

160.  There are more anti – bacterial drugs than anti – viral drugs because

a)    Bacterial diseases are intra- cellular.

b)    Viral diseases are intra – cellular.

c)     Virus are smaller than bacteria.

d)    Drugs can penetrate bacteria more effectively

Ans: b

 

161. Dinosaur is

a)    A reptile

b)    An amphibian

c)     A mammal

d)    A bird

Ans: a

 

162. ChlorophyII contains

a)    Beryllium

b)    Calcium

c)     Magnesium

d)    Strontium

Ans: c

 

163. The characteristic feature of virus is that

a)    It is made of fats.

b)    It multiplies only on dead animals.

c)     It multiplies only in hosts.

d)    It lacks chlorophyII

Ans: c

 

164. Fertility of soil can be improved by

a)    Removing dead earthworms

b)    Adding dead earthworms

c)     Adding living earthworms

d)    Removing living earth worms and adding dead earth worms

Ans: c

 

165. Which of the following is true about the Bats?

1.    Bats are mammals

2.    Bats have wings which are actually the modified forelimbs

3.    Bats are nocturnal in habit

The correct options are

a)    1, 2 & 3

b)    2 & 3

c)     1 & 3

d)    1 & 2

Ans: a

 

166. Population of cells derived from a single parent cell is called

a)    Haploid

b)    Diploid

c)     Symmetrical cell

d)    Clone

Ans: d

 

167. Which of the following plants biennial?

a)    Banana

b)    Pineapple

c)     Jack friuts

d)    Carrot

Ans: d

 

168. Which of the following are fed to cattle?

1.    Sugarcane tops

2.    Sugarcane leaves

3.    Sugarcane bagasse

4.    Sugarcane jiggery

The correct option are

a)    1, 2, 3& 4

b)    1 & 3

c)     2 & 3

d)    1, 2 & 3

Ans: a

 

169. Which of the following has the highest calories per gram?

a)    Proteins

b)    Fats

c)     Sugar

d)    Glucose

Ans: b

 

170. Guinea pigs used in medical research are

a)    Rodents

b)    Black swine

c)     Stocky and brown in color

d)    Found in Asia only

Ans: a

 

171. ‘Lathyrism’ is a crippling disease caused by

a)    Tinned fish

b)    Chick pea and pulses

c)     Meat

d)    Adulterated oil

Ans: b

 

172. If a bacteria culture doubles exponentially in every 30 minutes, then after 5 hours they become

a)    10 fold

b)    100 fold

c)     1000 fold

d)    10000 fold

Ans: b

 

173. Match the following:

A. Vitamin E  : 1. Scurvy

B. Vitamin k  : 2. Rickets

C. Vitamin C : 3. Sterility

D. Vitamin D : 4. Blood coagulation

Select the correct answer from the codes given below:

         A    B   C    D

a)      1    3    4    2

b)      3    4    1    2

c)       4    3    1    2

d)      2    1    3     4

Ans: b

 

174. Assertion (A) : Insects are not affected by pesticides.

Reason ( R) : Insects are killed by pesticides.

a)    Both A and R are true and R is the correct explanation of A

b)    Both A and R are true but r is not the correct explanation of A

c)     A is true but R is false

d)    A is false but R is true

Ans: b

 

175.  Ringworm is caused by

a)    Bacterium

b)    Fungus

c)     Virus

d)    Worm

Ans:

 

176. Match List I with List II and select the correct answer using the codes given below them:

          List I                           List II

        (Vectors)                    (Diseases)

A.    Tsetse fly             : 1. Yellow fever

B.    Aedes mosquito: 2. Sleeping sickness

C.    Water snail          : 3. Bilharzia

D.    Sandflies              : 4. Typhoid

                                      :  5. Kala-azar

Select the correct answer form the codes given below:

           A    B    C     D

a)     1     2    3     4

b)     3     1    5     2

c)      2     1    3     2

d)     5     2    3     1

Ans: c

 

177. Consider the following statements regarding bones in the human body:

1.    They consist of 80% solid matter and 20% water

2.    Solid matter in the bones made mainly of cartilage

3.    Impregnation of slats including carbonates and phosphates of lime imports hardness to the bones

4.    In old age, the proportion of lime decreases and bones become brittle and break easily

Of these Statements

a)    1, 2 and 3 correct

b)    2 and 4 are correct

c)     2 and 3 are correct

d)    1, 2, 3 and 4 are correct

Ans: a

 

178. The human immune deficiency virus (HIV) is a living entity because it can

a)    Excrete in human serum

b)    Disturb host cell respiration

c)     Undergo auto production

d)    Move from one cell to another

Ans: c

 

179. Mycorrhiza is symbiotic association between

a)    Bacteria and roots of higher plants

b)    Algae and roofs of orchids

c)     Fungi and roots of higher plants

d)    Protozoa and roots of higher plants

Ans: c

 

180. Macth List I with List II and select the correct answer using the codes given below them:

           List I            : List II

          (Pulse)         :  (protein %)

A.    Cow pea    : 1. 22.9

B.    Rajmah      : 2. 43.2

C.    Soybean    : 3. 24.1

D.   Dry peas    : 4. 19.7

Select the correct answer from the codes given below:

            A    B    C     D

a)      1     2   3     4

b)      1     4   3     2

c)       3     1   2    4

d)      4     3   1     2

Ans: b

 

181. Consider the following statements regarding blood pressure:

1)    It is pressure exerted by the blood on the walls of any vessel

2)    It decreases in the arteries as the distance from the heart increases

3)    It is lower in the capillaries than in the arteries

4)    It is usually lower in women than in men

Of these statements:

a)    1 and 4 are correct

b)    2, 3 and 4 are correct

c)     1, 2 and 3 are correct

d)    1, 2 and 4 are correct

Ans: d

 

182. Match List I with List II and select the correct answer using the codes given below them:

            List I                      : List II

         (Plant tissue)         :  (Function)

A.    Sclerenchyma   : 1. Conduction of water

B.    Xylem                 : 2. Transport of food

C.    Phloem              : 3. Mechanical strength

D.   Meristem          : 4̤ Cell division

                                    :5̤  Carbon assimilation

Select the correct answer from the codes given below:

           A     B   C      D

a)      3     1    2   4

b)      1     4    3   5

c)       4     2   5   3

d)      2     5   4   1

Ans: a

 

183. Consider the following statements regarding hemoglobin:

1.    It contain iron

2.    It is carrier of oxygen in the blood

3.    It imparts red colure to the blood

4.    It provides immunity against certain diseases

Of these statements

a)    1,2 and 4 are correct

b)    1, 2 and 3 are correct

c)     1, 2 and 4 are correct

d)    2, 3 and 4 are correct

Ans: b

 

184. When compared to the mammals, birds are less sensitive to temporary deprivation of water, because

a)    The water requirement per unit weight is les in birds in mammals.

b)     Absorption water from gut is more efficient in birds than in mammals.

c)     Urea excretion in mammals entails greater loss of water than that in birds.

d)    None of these

Ans: a

 

185. The main difference between raw soybeans and cooked soybeans is in respect of

a)    Amino acid composition

b)    Biological value of proteins

c)     Protein content

d)    Calorific value

Ans: a

 

186.  Rabies is caused by a

a)    Virus and it affects the nervous system

b)    Virus an dit affects the cardiovascular system

c)     Bacteria and it affects the nervous system

d)    Bacteria ad it affects the cardiovascular system

Ans: a

 

187.  The thermoregulatory center of the human body is

a)    Pictuitary

b)    Skin

c)     Hypothalamus

d)    Thyroid

Ans: c

 

188. Where does exchange of gases (O-2 and CO-2) take place in our lungs?

a)    Alveoli

b)    Bronchi

c)     Pleura

d)    Trachea

Ans: a

 

189. The resinous substance, shellac is obtained form

a)    Crude oil

b)    The bark of a tree

c)     An insect

d)    Distillation wood

Ans: b

 

190. Which one of the following is associated with AIDS?

a)    GIFT

b)    HIV

c)     IVF

d)    MAC

Ans: b

 

191. Mitochondrial DNA in an individual comes from

a)    Male parent

b)    Female parent

c)     Both parents

d)    Nether of the parents

Ans: a

 

192. Which one of the following diseases is least infectious?

a)    Leprosy

b)    Tuberculosis

c)     Conjunctivitis

d)    Hepatitis

Ans: a

 

193.  Match List I with List II and select the correct answer using the codes given below them:

List I            : List II

(Vitamins)    :  (Deficiency diseases)

A.    B1           : 1. Hemorrhage

B.    D             : 2. Skin diseases

C.    K            :  3. Vascular abnormalities

D.   E             :  4. Rickets

: 5. Beri –beri

Select the correct answer from the codes given below:

          A      B      C      D

a)      5     4     1      3

b)      5     3     1      2

c)      2     4     5      1

d)      4     1     3      2

Ans: a

 

194. Which one of the following oils is having maximum content of polyunsaturated Fatty Acids (PUFA)?

a)    Soybean oil

b)    Cottonseed oil

c)     Coconut oil

d)    Sunflower oil

Ans: a

 

195. Protective action against harmful household insects and pests can be taken by the use of

a)    Infrasonic waves

b)    Microwaves

c)     Ultrasonic waves

d)    Low frequency radio waves

Ans: c

 

196. Which of the following determines the prote in quality of food?

a)    Protein amalgamation

b)    Fibre content

c)     Amino acids mixture

d)    Vegetable or Animal origin

Ans: c

 

197. The highest fat content is found in the milk of

a)    Buffalo

b)    Cow

c)     Camel

d)    reindeer

Ans: d

 

198. Which one of the following is useful for biological control of pets?

a)    Honey bees and locusts

b)    Scorpions and spiders

c)     Wasps and birds

d)    Parrots and kites

Ans: c

 

199. Significantly higher level of urea in the blood is the indication of

a)    Liver damage

b)    Kidney damage

c)     Heart attack

d)    Spleen damage

Ans: b

 

200.  The medicines which are used to treat diseases caused by allergy are known as

a)    Analgesics

b)    Antihistamines

c)     Antipyretics

d)    Allergens

Ans: b

 

200.  The medicines which are used to treat diseases caused by allergy are known as

a)    Analgesics

b)    Antihistamines

c)     Antipyretics

d)    Allergens

Ans: b

 

201. Malaria fever is caused

a)    Immediately after mosquito bite

b)    Upon disintegration and bursting of red blood cells

c)     When the malaria causing germs reach the liver

d)    Upon release of toxins into blood

Ans: d

 

 

202. Pyrilla is a

a)    Disease of teeth and gums

b)    An insect pest

c)     A character of ancient Greek mythology

d)    A building heated by solar energy

Ans: b

 

203. The most poisonous snakes found in India are

a)    Cobra, viper, Banded kraits

b)    King Cobra, Grass snake, Banded kraits, Cobra

c)     Cobra, python, Banded kraits, Rat snake

d)    Cobra, Grass snake, kraits, Rat snake

Ans: a

 

204. Match List I with List II and select the correct answer using the codes given below them:

             List I                      : List II

   Branches of Science    :  Details of study

A.    Taxonomy            : 1. Functional movements

B.    Mycology             : 2. Classification

C.    Morphology        : 3. Shape and structure

D.   Physiology           : 4. Fungus

Select the correct answer from the codes given below:

           A     B    C    D

a)      1     2    3   4

b)      2    4    3    1

c)       2    3    1    4

d)      3    4    2    1

Ans: b

 

205. Which one of the following plants can fix nitrogen from air?

a)    Rice

b)    Wheat

c)     Pea

d)    Maize

Ans: c

 

206. Chlorophyll is a naturally occurring chelated compound in which central metal is

a)    Magnesium

b)    Copper

c)     Calcium

d)    Iron

Ans: a

 

207. Match List I with List II and select the correct answer using the codes given below them

                   List I                        : List II

A.    Islets of Langerhans  : 1. Calcitonin

B.    Pituitary gland            : 2. Epinephrine

C.    Thyroid gland             : 3. Growth hormone

D.   Adrenal gland              : 4. Insulin

Select the correct answer from the codes given below

           A     B     C     D

a)      4     3    2     1

b)      4     3    1     2

c)       3     4    1     2

d)      3    2     4     1

Ans: b

 

208. Two richest known sources of edible protein are

a)    Meat and eggs

b)    Some algae and other micro organisms

c)     Soya bean and groundnut

d)    Milk and leafy vegetables

Ans: a

 

209. The bats are able to fly in dark since their wings produce

a)    Infra-red rays

b)    Ultrasonic waves

c)     Sound waves

d)    Ultraviolet rays

Ans: b

 

210. Which of the following diseases is causes due to defective genes?

a)    Ulcer

b)    Haemophilia

c)     Diabetes

d)    Cancer

Ans: b

 

211. Consider the Food pyramid given below showing the interdependence of plants and animals is the food chain

Which one of the following in the pyramid is most chain?

a)    Herbivore

b)    Plant

c)     Top Carnivore

d)    Small Carnivore

Ans: c

 

 

212. Consider the figure given below:

Calories

4000, 3000, 2000, 1000 0

The above figure contains, calories required per day by boys and girls. It can be inferred from

the graph that is general calorie requirement for boys and  girls

a)    Riches a peak value at about the same age

b)    Increase nearly at the same rate till the age  of 13

c)     Is quite different at all ages

d)    Is similar till the age of 17

Ans: b

 

213. Man cannot digest cellulose whereas cows can do so because

a)    Their gut contains certain bacteria capable of digesting cellulose

b)    They have a many- chambered stomach

c)     They have efficient grinding molars

d)    They produce an enzyme cellules which can digest cellulose

Ans: a

 

214. Camel uses its hump for

a)    Storing water

b)    Storing fat

c)     Balancing the body during walking in desert sand

d)    Temperature regulation

Ans: b

 

215. The theory of ‘Jumping genes’ was propounded by

a)    Gregory Johann Mendel

b)    Thomas Hunt Morgan

c)     Barbara MC Clintock

d)    Watson and Crick

Ans: c

 

216. Sucrose content in sugarcane decreases

a)    if high rainfall occurs during the period of growth of the plant

b)    if frost occurs during the period of ripening

c)     if there is fluctuation in temperature during the period of growth of the plant

d)    if there is high temperature during the time of ripening

Ans: d

 

217.  Which one of the following is a “man made” cereal NOT found in nature?

a)    Dwarf wheat

b)    Hy brid maize

c)     Triticale

d)    Soya bean

Ans: c

 

218. Sugarcane, sugar beet, sweet pea, chickpea, pigeon pea and French bean belong to

a)    Two plant families

b)    Three plant families

c)     Four plant families

d)    Nice plant families

Ans: b

 

219. A fertile – soil, suitable for growing common crops, is likely to have a PH value of

a)    three

b)    four

c)     six to seven

d)    nine to ten

Ans: c

 

220. Posion glands of snakes are homologous to

a)    electrci organs of fishes

b)    stings of rays

c)     sebaceous glands of mammals

d)    salivary glands of vertebrates

Ans: d

 

 

221.  Match List I with List II and select the correct answer using the codes given below them

                 List I                  : List II

            ( characteristics)    : (Animal)

A.    Wingless insect     : 1. Kiwi

B.    Flightless Bird       : 2. Silver fish

C.    Limbless reptile    : 3. Octopus

D.   Limbless animal   : 4. Snake

Codes:

          A     B    C        D

a)     1    3    2       5

b)     2    1     4      5

c)      2    1     3      4

d)     3    1     4      2

Ans: b

 

222. Three Communicable disease prevalent in developing countries caused by unsafe drinking water an bad sanitation are

a)    Acute diarrhea, cancer and gout

b)    malaria, acute diarrhea and schistosomiasis

c)     onchocericiasis, leukemia and arthritis

d)    rheumatism, malaria and AIDS

Ans: b

 

 

223.  The heart of human embryo starts beating

a)    in the first week of its development

b)    in the third week of its development

c)     in the fourth week of its development

d)     in the sixth week of its development

Ans: b

 

224. If father has blood group A and mother has blood group O, then which one of the following blood group may be found in their son?

a)    B

b)    AB

c)     O

d)    B, AB, or O

Ans: c

 

225.  Match List I with List II and select the correct answer from the codes given below the lists:

           List I               : List II

         (Crops)            : (Crop pests)

a)     Rice              : 1. Aphid

b)    Wheat           : 2. Gundhi bug

c)     Sugarcane     : 3. Greasy cutworm

d)    Gram              : 4.  Top shoot borer moth

       

      

                    :  5. Bollworm

Codes:

               A     B      C     D

a)          2     3     4    5

b)          3     1     2    4

c)           2     1    4    3

d)          5      4    1    3

Ans:  c

 

 

226. In the case of a Test – tube baby’

a)    fertilization takes place inside the test –tube

b)    Development of the baby taken place inside the test –tube

c)     fertilization takes place outside the mother’s body

d)    Unfertilized egg develops inside the test –tube

Ans: c

 

227. What is the correct sequence of the following in a heart attack?

1)    Narrowing of the inner orifice of the vessel

2)    ‘Plaque’ from fibrous tissues and high cholesterol

3)    Inadequate supply of blood and oxygen

4)    Clots of blood carried in to the coronary arteries.

Choose the answer from the codes given below:

a)    1, 2, 3, 4

b)    2, 4, 1, 3

c)     2, 3, 1, 4

d)    4, 2, 1, 3

Ans: b

 

228.  Which of the following are characteristics shown by a breast – fed baby was when compared to a bottle –fed baby?

1)    It is less obese.

2)    It shows greater capacity, to resist diseases.

3)    It gets more vitamins and proteins

4)    Its growth in height is abnormal.

Select the correct answer from the codes given below:

a)    1, 2 and 3

b)    1, 2 and 4

c)     1, 3 and 4

d)    2, 3 and 4

Ans: a

 

229. Which of the following is/are used as bio fertilizers?

a)    Azolla

b)    Blue – green algae

c)     Alfalfa.

Select the correct answer from the codes given below

a)    2 alone

b)    1 and 2c)     1 and 3

d)    1, 2 and 3

Ans: d

 

230. Even though an animal is fed with carboydraterich diet, its blood sugar concentration tends to remain constant. This is on account of the fact that in the case of an animal

a)    hormones of pituitary glands control metabolic process

b)    Hormones of pancreas cause such a condition

c)     blood sugar is readily absorbed by liver

d)    Glucose undergoes autolysis

Ans: b

 

231. Which one of the following crops enriches the nitrogen content in soil?

Total protein food (both superior and inferior) should be in order of

a)    Potato

b)    Sorghum

c)     Sunflower

d)    Pea

Ans: d

 

232. In the balanced dietaries for a day of an adult working man, weights of carbohydrate food and total protein food

(Both superior and inferior) should be in order of

a)     600 gm and 420 gm respectively

b)     600 gm  and 600 gm respectively

c)     420 gm and 600 gm respectively

d)    420 gm and 420 gm respectively

Ans: c

 

 

233.  Which one of the following is caused by the expression of a recessive gene present on sex chromosome?

a)    Rheumatism

b)    Nervous shock

c)     Muscular dystrophy

d)    Cerebral hemorrhage

Ans: c

 

234. Which one of the following animals do not stores water in the intestine?

a)    Moloch

b)    Camel

c)     Zebra

d)    Uromastix

Ans: b

 

235. The only anthropoid ape to be found in India is the

a)    hanuman monkey

b)    Lion tailed macaque of Western Ghats

c)     Slow Loris of Assam

d)    White browned gibbon of Assam

Ans: d

 

236.  The highest milk producing breed of goat in India is

a)    Barbari

b)    Jamunapari

c)     Black Bengal

d)    Beetle

Ans: b

 

237. Assertion (A) : A lock of Einstein’s hair,  if scientists could locate it and extract its DNA, could help  in producing another Einstein, by cloning.

Reason ( R) : The DNA extracted from the cell of an embryo at an early stage of development, can be transferred to individual eggs which in turn can be implants into the uterus of a surrogate mother to give birth to an identical off spring

a)    Both A and R are true, and R is the correct explanation of A

b)    Both A and R are True, but R is not correct explanation of A

c)     A is true, but R is false

d)    A is false, but R is true

Ans: a

 

238. Which one of the following vitamins is considered to be a hormone?

a)    A

b)    B

c)     C

d)    D

Ans: d

239. Renin and lactase, the enzymes required to digest milk, disappear in the human body by the age of

a)    two

b)    three

c)     five

d)    eight

Ans: d

240. Hemoglobin is dissolved fish in the bred exclusively the cold regions of India?

a)    frog

b)    fish

c)     man

d)    Earthworm

Ans: d

 

241. Which of the following fish are bred exclusively in the cold regions of India?

1)    Catla

2)    Tinca

3)    Bhekti

4)    Trout

Choose the correct answer from the codes given below:

a)    1 and 4

b)    1, 2 and 4

c)     2 and 4

d)    3 and 4

Ans: b

 

242. Phenylketonuria is an example of an in – born error of metabolism. This “error” refers to

a)    Hormonal overproduction

b)    Atrophy of endocrine glands

c)     inherited lack of an enzyme

d)    Non -disjunction

Ans: c

 

243. Which one of the following sets is correctly matched?

a.     Diptheria, pneumonia and Leprosy: Hereditary

b.    AIDS, Syphilis and Gonorrhea       : Bacterial

c.     Color blindness, Hemophilia and   : Sex linked

                                                                  Sickle cell anenmia

d.    Polio, Japanese B encephalitis and     : Viral

                                                                                       Plague

Ans: c

 

244. A person with ‘AB’ blood group is sometimes called a universal recipient because of the

a) lack of antigen in his blood

b) lack of antibodies in his blood

c) lack of both antigens and antibodies in his blood

d) Presence of antibodies in his blood

Ans: b

 

245. Which one of the following is a membrane that protects the developing embryo from desiccation?

a) Amnion

b) Allantois

c) Chorion

d) Yolk sac

Ans: a

 

 

246. Which one of the following antimicrobial drugs is suitable for treatment of both tuberculosis and leprosy?

a) Isoniazid

b) p-amino salicylic acid

c) Streptomycin

d) Rifampicin

Ans: d

 

247. Most of the desert plants bloom during night time because

a) their blooming controlled by low temperature

b) they are sensitive to the phases of moon

c) the desert insects eat away flowers during day time

d) the desert insects are active during night time

Ans: a

 

248. The only snake that buildings a nest is

a) chain viper

b) King Cobra

c) Krait

d) Saw – scaled viper

Ans: b

 

249. Which of the following elements are present in all proteins?

1.    Carbon

2.    Hydrogen

3.    Oxygen

4.    Nitrogen

Which one of the following hormone contains iodine?

a)    2 and 3

b)    1, 2 and 4

c)     1, 3 and  4

d)    1, 2, 3 and 4

Ans: d

 

250. Which one of the following hormone contains iodine?

a)    Thyroxin

b)    Testosterone

c)     Insulin

d)    Adrenaline

Ans: a

 

 

 

251. “By weaving threads of physics, chemistry and biology into a rich tapestry, this remarkable scientist provided a unifying molecular view of the world

He toutd the wonderful properties of Vitamin C first as cure of common cold and later as a preventive agent against cancer. “One of science’s major figures of all time refers to above is

a)    G. N Lewis

b)   Linus Carl pauling

c)     Fritz London

d)    Walter Heitler

Ans: c

252. “ It begins as a single cell and grows into a merciless disease that cliams millions of livers year after year. But scientists are steadily unlocking its mysteries, and the fight against it may now have reached a dramatic turning point. New discoveries promise better therapies and hope in the wat against….” -The disease referred to in the above quotation is

a)    Cancer

b)    AIDS

c)     Tuberculosis

d)    ALZheimer’s disease

Ans: a

 

253. The normal temperature of human body on the Kelvin scale is

a)    280

b)    290

c)     300

d)    310

Ans: d

 

254.  According to the World Health Organization, the disease which causes the death of the largest number of people today is

a)    AIDS

b)    Tuber culosis

c)     Malaria

d)    Ebola

Ans: a

 

255. Which one of the following is a modified stem?

a)    Carrot

b)    Sweet potato

c)     Coconut

d)    Potato

Ans: d

 

256. Fat present below the skin surface in our body, acts as barrier against

a)    loss of heat from the body

b)    loss of essential body fluids

c)     loss of salts from the body

d)    entry of harmful micro –organism from the environment

Ans: a

 

257. Which of the following professional (s) are more likely to run risk of a permanent change in their cell’s DNA?

1.    Researchers using carbon – 14 isotope

2.    X-ray technician

3.    Coal miner

4.    Dyer and painter

Select the correct Answer by using the codes given below:

a)    2 alone

b)    1 and 2

c)     1, 2 and 4

d)    1, 3 and 4

Ans: b

 

 

258. Which one of the following is not essential micronutrient for plants?

a)    Boron

b)    Zinc

c)     Sodium

d)    Copper

Ans: d

 

259. Of the four landmarks in medical history given below, which one was the first take place?

a)    Organs transplant

b)    Bypass surgery

c)     Test –tube baby

d)    Plastic surgery

Ans: d

 

260. The nutritional deficiency condition that needs to be given top priority for remedial action in India today is

a)    Scurvy

b)    Rickest

c)     Xerophthalmia

d)    Pellagra

Ans: b

 

261. Living organism require at least 27 elements of which 15 are metals. Among these, those required in major quantities include

a)    Potassium, Manganese, Molybdenum & Calcium

b)    Potassium, Molybdenum, Copper & Calcium

c)     Potassium, Soduim, Magnesium & Calcium

d)    Sodium, Magnesium, Copper & Manganese

Ans: c

 

262. Match List I with List II and select the correct answer from the codes given below the lists:

            List I                : List II

a)    Vitamin        : 1.Pepsin

b)    Enzyme        :2. Carotene

c)     Hormone    : 3. Keratin

d)    Protein       : 4. progesterone

Codes:

                A     B   C     D

a)          1     2    3    4

b)          2     1    4    3

c)           2     1    3    4

d)          1     2    4    3

Ans:  b

 

263. Physico – chemical characteristics of water in water sources undergo changes due to

a)    aquatic macrophysics

b)    aquatic fungi

c)     effluents

d)    evapotranspiration

Ans: c

 

264. Ecologists have so far know, found and certified a large number of species in the plant and animal kingdom.

In terms of members, the largest found and identified so far are from among the

a)    Fungi

b)    Plants

c)     Insects

d)    Bacteria

Ans: d

 

265. It is possible to produce seedless tomato fruits by

a)    applying trace elements in tomato fields

b)    spraying mineral solution on plants

c)     spraying hormones on flowers

d)    applying fertilizers containing radioactive

Ans: c

 

266. Which of the following are associated with diabetes mellitus, a common disease in adults?

1.    Higher sugar level in blood

2.    Lower sugar level in blood

3.    Lower insulin level in blood

4.    Higher insulin level in blood

Select the correct Answer by using the codes given below:

a)     2 and 4

b)    1 and 2

c)     2 and 3

d)    1 and 3

Ans: d

 

267. Consider the following statements:

AIDS is transmitted

1.    by sexual intercourse.

2.    by blood transfusion.

3.    by mosquitoes and other blood sucking insects

4.    across the placenta.

Of these statements:

a)    1, 2 and 3 are correct

b)    1, 2 and 4are correct

c)     1, 3 and 4 are correct

d)    1 and 3 are correct

Ans: b

 

268.  People drinking water from shallow hand pump are likely to suffer from all the following diseases except

a)    Chleora

b)    Typhiod

c)     Jaundice

d)    Flurosis

Ans: c

 

269. Which of the following would lead to ‘malnutrition”?

1.    Over nutrition

2.    Under nutrition

3.    Imbalanced nutrition

Select the correct Answer 2Y using the codes given below:

a)    2 alone

b)    2 and 3

c)     1 and 3

d)    1, 2 and 3

Ans: d

 

270. Besides protein and carbohydrates, other elements of nutritional value found in milk include

a)    Calcium, potassium and iron

b)    Calcium and potassium

c)     Potassium and iron

d)    Calcium and iron

Ans: b

 

271. Match List I (physiological processes) with List II (Cell organelles) and select the correct Answer by using from the codes given below the lists:

                  List I                     :      List II

a)    Photosynthesis       : 1. Plasma Membrance

b)    Minerals uptake    : 2. Chloroplast

c)     Respiration             : 3. Motochondaria

d)     Protein Synthesis: 4. Ribosmoes

Codes:

               A     B   C     D

  a)       1     2    3    4

b)       1     2    4    3

c)       2     1    3    4

d)      2     1    4    3

Ans:   c

 

272.  The characteristic odour of garlic is due to

a)    a chloro compound

b)    a sulphur compound

c)     a fluorine compound

d)    acetic acid

Ans: b

 

273.  Which one of the following techniques can be used to establish the paternity of a child?

a)    Protein analysis

b)    Chromosome counting

c)     Quantitative analysis of DNA

d)    DNA finger – printing

Ans: d

 

274. Which one of the following is an active component of oil of clove?

a)    Menthol

b)    Eugenol

c)     Methanol

d)    Benzaldehyde

Ans: b

 

275. The pituitary gland by virtue of its tropic hormones controls the secretory activity of other endocrine glands,.

Which one of the following endocrine glands can function indecent of the pituitary gland?

a)    Thyriod

b)    Gonads

c)     Adrenals

d)    Parathyriod

Ans: d

 

276. Oxygen transpiration in a human body takes place through

1.    Blood

2.    Lungs

3.    Tissue

The correct sequence of transportation is

a)    1, 2, 3

b)    3, 1, 2

c)     2, 1, 3

d)    1, 3, 2

Ans: c

 

277. Corpus Iuteum is a mass of cells found in

a)    brain

b)    ovary

c)     pancreas

d)    spleen

Ans: b

278. Which one of the organisms is likely to show highest – concentration of DDT once it has been introduced into the ecosystem?

a)    Grasshopper

b)    Toad

c)     Snake

d)    Cattle

Ans: c

 

279. Alpha – keratin is protein present in

a)    blood

b)    skin

c)     wool

d)    eggs

Ans: c

 

280. Which one of the following is cultivated by transplanting seedlings?

a)    Maize

b)     Sorghum

c)     Onion

d)    Soyabean

Ans: c

 

281. What is the average fat content of buffalo milk?

a)    7.2 %

b)    4. 5 %

c)      9. 0 %

d)    10.0 %

Ans: c

 

282. The major component of honey is

a)    glucose

b)     sucrose

c)     maltose

d)    fructose

Ans: d

 

283. Arteirs supplying blood to he heart are called

a)    carotid arteries

b)    hepatic arteries

c)     coronary arteries

d)    pulmonary arteries

Ans: c

 

284. Recommended daily intake of proteins for a moderately active woman is

a)    30 g

b)    37 g

c)     40 g

d)    46 g

Ans: d

 

285.  Match List I with List II and select the correct answer by using from the codes given below the lists:

          List I                  : List II

a)    Malaria          : 1. Bone marrow

b)    Filaria            :  2. Brain

c)    Encephalitis : 3. Muscle

d)    Leukaemia   : 4. Lymph node

                              : 5. Blood Cells

 

 

Codes:

                A     B   C     D

a)          5     3    2     1

b)          5     4    2     1

c)           4     3   5      1

d)          5     4   1      2

Ans:   b

 

286. Antigen is a substance which

a)    lowers body temperature

b)    destroys harmful bacteria

c)     triggers the immune system

d)    is used as an antidote to poison

Ans: c

 

 

287. At which stage in its life – cycle does the silk worm yield the fiber of commerce?

a)    Egg

b)    Larva

c)     Pupa

d)    Imago

Ans: c

 

288.  Match List I  (Diseases) with List II ( Typeand select the correct answer from the codes given below the lists:

           List I                  : List II

a)    Haemophilia  : 1. Deficiency disease

b)    Dia betes       :  2. Genatic

c)     Rickets           :  3. Hormonal disoder

d     Ringworm      :  4. Fungal infection

Codes:

        A     B     C     D

a)    2     3    4     1

b)     2     3    1     4

c)     3     2    1     4

d)    3     2    4      1

Ans:   b

 

289. The blood glucose is commonly expressed as

a)    mm of Hg

b)    mill moles per liter

c)     Parts per million

d)    Grams per liter

Ans: b

 

290. Phototonus is a facility to

a)    grow plants under disease –free conditions

b)    conserve endangered species of plants

c)     grow plants under controlled condition

d)    induce mutations

Ans: c

 

291. Match List (Endocrine glands) with List II (Hormones secreted)

and select the correct answer using the codes given below the Lists:

              List I           :    List II

a)    Gonads        : 1. Insulin

b)     Pituitary     : 2. Progesterone

c)      Pancreas    : 3. Growth hormones

d)    Adrenal       : Cortisone

Codes:

          A     B     C     D

a)     3     2    4     1

b)     2     3    4     1

c)     2     3    1     4

d)   3     2      1     4

Ans:   c

 

292. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by

a)    a decrease in the supply of oxygen

b)    minor wear and tear of muscle fibers

c)     the depletion of glucose

d)    the accumulation of lactic acid

Ans: d

 

293. Assertion (A) : In human beings, the  females play a major role in determining the sex of the offspring.

Reason ( R) : Women have two – ‘X’ chromosomes.

a)    Both A and R are true, and R is not a the correct explanation of A

b)    Bothe A and R true, but R is not a correct explanation of A

c)     A is true, but R is false

d)    A is false, but R is true

Ans: d

 

294. Assertion (A): “DNA Finger –printing” has become a powerfull tool to establish paternity and identity of criminals in rape and assault cases.

Reason ( R) : Trace evidences such as hairs, saliv and dried semen are adequate for DNA analysis.

a)    Both A and R are true, and R is not a the correct explanation of A

b)    Both A and R are true, and R is not a the correct explanation of A

c)     A is true, but R is false

d)    A is false, but R is true

Ans: a

 

295.  Which of the following organelles play the most significant role in protein synthesis?

a)    Lysosome and Centrosome

b)    Endoplasmic reticulum and Ribosome

c)     Golgi apparatus and Mitochondria

d)    Lysosome and Mitochondria

Ans: b

 

296. Assertion (A) Scientists can cut apart and  paste together DNA molecules at will, regardless of the source of the molecules.

Reason (R) : DNA fragments can be manipulated using restriction endonucleases and DNA ligases.

a)    Both  A and R are individually true and R is the a correct explanation of A

b)    Both  A and R are individually true and R is NOT a correct explanation of A

c)      A is true, but R is false

d)    A is false, but R is true

Ans: a

 

297.  The cellar and molecular control of programmed cell death is known as

a)    Apoptosis

b)    Ageing

c)     Degeneration

d)    Necrosis

Ans: a

 

298. Which organelles in the cell, other than nucleus, contains DNA?

a)    Centriole

b)     Glogi apparatus

c)     Lysosome

d)     Mitochondrion

Ans: d

 

299. Epiphytes are plants which depend on other plants for

a)    Food

b)    Mechanical support

c)     Shade

d)    Water

Ans: b

 

300. Antigen is a substance which

a)    Destroys harmful bacteria

b)    is used to treat poisoning

c)     lowers body – temperature

d)    Stimulates formation of antibody

Ans: d

 

301.  Which of the following features of DNA makes it uniquely suited to store and transmit genetic information from generation to generation?

a)    Complemtarity of the two stands

b)    Double helix

c)     Number of base –pairs per turn

d)    Sugar – phosphate backbone

Ans: a

 

302. The American multinational company, Monsanto has produced an insect – resistand cotton variety that is undergoing field – trails in India.

A toxin gene from which ONE of the following bacteria has been transferred to his transgenic cotton

a)    Bacillus subtills

b)    Bacillus thurigiensis

c)     Bacillius amyliquifanciens

d)     Bacillus globlii

Ans: b

 

303.  Match List with List II and select the correct answer using the codes given below the Lists:

          List I (Bone)         :  List II (Name)

A.    Breast –bone      : 1. Clavicle

B.    Collar – bone      : 2. Patella

C.    Knee –cap           : 3. Scapula

D.   Shoulder blade   : 4. Sternum

Codes:

           A     B      C    D

a)      4     1    3     2

b)      1     4    3     2

c)      1     4    2     3

d)     4     1    2     3

Ans:    d

 

 

 

304. Consider the following statements:

1.    Tapeworm is a hermaphrodite.

2.    Round – worm has separate sexes.

3.    Filarial is caused by a nematode.

4.    Guinea – worm is an annelid.

Which of these are correct?

a)    1 and 2

b)    1, 2 and 3

c)     3 and 4

d)    2, 3 and  4

Ans: b

 

305.  Match List with List II and select the correct answer using the codes given below the Lists

                List I                                                :  List II

      (Achievement in genetic)                       : (Scientists)

A.    Discovery of tramsdication and   : 1. Khurana

Conjugation in bacteria

B.    Establishing the Sex –linked         : 2. Kornberg

Inheritance

C.    Isolation of DNA polymerase         : 3. Lederberg

Form E. coli

D.    Establishing the complete genetic : 4. Morgan

Code                                                                        : 5. Ochoa

Codes :

           A     B   C     D

a)      4     3    2     1

b)      3     4    1     5

c)       4     3    1     5

d)      3     4    2     1

Ans:    d

 

306. “Athlete’s Foot” is a disease caused by

a)    Bacteria

b)    Fungus

c)     Protozoan

d)    Nematode

Ans: b

 

 

307. In the eye donation, which part of the eye is transplanted from the donor?

a)    Cornea

b)    Lens

c)     Retina

d)    The whole eye

Ans: a

 

308. A man whose blood group is not known meets with as serious accident and needs blood transfusion immediately.

Which one of the blood groups mentioned below and readily in the hospital will be safe for transfusion?

a)    O, Rh  -

b)     O, Rh +

c)      AB, Rh -

d)    AB, Rh +

Ans: a

 

309. “Metastasis” is the process by which

a)    Cells divide rapidly under the influence of drugs

b)    Cancer cells spread through the blood or lymphatic system to other sites or organs

c)     the chromosomes in cell nuclei are attached to the spindle before moving to the anaphase poles

d)    cancer cells are successfully inhibited to divide any further.

Ans: b

 

310.  Match List with List II and select the correct answer using the codes given below the Lists

              List I             :  List II

       (Substance)     :  (physiological role)

A.    Ptyalin       : 1. Converts angoiten – sinogen in blood into angiotensin

B.    Pepsin        : 2. Digests starch

C.    Renin         : 3. Digetst protiens

D.   Oxytocin    : 4. Hydrolyses fats

: 5. Induces contraction of smooth muscles

Codes:

            A     B    C     D

a)      2      3    1     5

b)      3     4     2     5

c)       2     3     5     1

d)      3     1     2     4

Ans:     a

 

311. Among living organisms, which one of the following is the most responsible factor for bringing about the origin of a new species?

a)     Isolation

b)    Mutation

c)     Natural Selection

d)    Sexual Reproduction

Ans: b

 

312. Ticks and mites are actually

a)    Arachnids

b)    Crustaceans

c)     Insects

d)    Myriads

Ans: a

 

313. With references to the blood in a normal person, which one of the following statements is correct?

a)    Compared to arteries, veins are less numerous and hold less of the body’s at any given time.

b)    Blood cells constitute about 70 per cent of the total volume of the blood

c)     White Blood Cells (WBC) are made by lymph nodes only

d)    The blood has more platelets than WBC

Ans: d

 

314. Consider the following plants:

a)    Bougainvillea

b)    Carnations

c)     Cocoa

d)     Grapes

Ans: d

 

315. In the context of the organic evolution, the loss of limbs of snakes is explained by the phenomenon of

a)    Use and disuse of organs

b)     adaptation to living burrows

c)     natural selection

d)    Inheritance of acquired characters

Ans: a

 

316. When one gene controls two or more different characters simultaneously, the phenomenon is called

a)    A apomixes

b)    Pleitrophy

c)     Polyploidy

d)    Politely

Ans: b

 

317. With reference to the human body consider the following statements:

a)    The production of somatotropin goes up when a person exercises

b)    Men’s tests produce progesterone

c)     Women’s adrenal glands secrete testosterone

d)    Stress cause the adrenals to release very less amount of cortisol than usual

Which of these statements are correct?

A.    2 4 3 1

B.    1  3  2

C.     2 3 4

D.    1 4

Ans: d

 

318. Which one of the following is monogamous?

a)    Wolf

b)    Walrus

c)     Seal

d)    Deer

Ans: a

 

319. In a bisexual flower, if androecium and gynoecium mature at different times, the phenomenon is known as

a)    Dichogamy

b)    Herkogamy

c)     Hetrogamy

d)    Monogamy

Ans: b

 

320. Foot – and – Mouth disease in animals, a current epidemic in some parts of the world, is caused by

a)    Bacterium

b)    Fungus

c)    Protozoan

d)    Virus

Ans: d

 

321.  Which one of the following statements is correct?

a)    All echinoderms are viviparous

b)    Round worm has no circulatory system

c)     In bony fishes, swim bladder is usually present

d)    In cartilaginous fishes, fertilisation is internal?

Ans: c

 

322. Which one of the following statements is correct?

a)    Prions are the smallest free –living cells

b)    The cell wall of Mycoplasmas I made up of amino sugars

c)     Viroid’s consist of a single –stranded RNA molecule

d)    Rickettsias lack cell wall

Ans:  c

 

323. Assertion (A) : Drinking of whisky increase the frequency of urination.

Reason ( R) : Alcohol intake speeds up the secretion of vasopressin in the body.

a)    Both A and R are individually true and R is the correct explanation of A

b)    Both A and R are individually true but  is not a correct explanation of A

c)     A is true but R is false

d)    A is false but R is true

Ans: a

 

324. Assertion (A): Human diet should compulsorily contain Glycine, Serine and Tyrosine:

Reason ( R) : Essential amino acids  cannot  be synthesised in the human body.

a)    Both A and R are individually true and R is the correct explanation of A

b)    Both A and R are individually true and R is the correct explanation of A

c)     A is true but R is false

d)     A is false but R is true

Ans: d

 

 

325.  With reference to normal human beings, consider the following statements:

1.    In response to the presence of HCL. Secretin is produced from the duodenum.

2.    Enterogastrone is produced in the small  intestine in response to the presence of fatty acids.

Which of these statements is/are correct?

a)    Only 1

b)    Only 2

c)     Both 1 and 2

d)    Neither 1 nor 2

Ans: c

 

326. With reference to the work human kidney consider the following statements:

1.    After the waste is removed in the kidney, the  cleaner blood is sent back through renal artery

2.    From Bowman’s capsule., the filtered liquid passes  through tiny tubes where much of the  glucose

is reabsorbed and sent back to the blood in th e renal vein.

Which of these statements is/are correct?

a)    Only 1

b)    Only 2

c)     Both 1 and 2

d)    Neither 1 nor

Ans: c

 

327. Consider the following statements:

1.    Molasses is a by – product of sugar production processes

2.    Bagasse obtained in the sugar mills is used as fuel  in the boilers to generate steam for the sugar factories

3. Sugar can only be produced from sugarcane as the raw material.

Which of these statements is/are correct?

a)    1 and 2

b)    2 and 3

c)     1 and 3

d)    1,2 and 3

Ans: a

 

 

 

328. Octopus is:

a)    an arthropod

b)    an echinoderm

c)     a hemichordate

d)    a mollusc

Ans: d

 

329.  Consider the following conditions of a sick human body:

1.    Swollen Iymph nodes

2.    Sweaitng at night

3.    Loss of memory

4.    Loss of weight

Which of these are the symptoms of AIDS?

a)    1 and 2

b)    2, 3 and 4

c)     1, 3 and 4

d)    1, 2, 3 and 4

Ans: d

 

330. Consider the following statements:

1.    The common blue green algae Spirogyra and Ulothrix are found in both fresh water ponds and oceans.

2.     The chameleon can look ahead with one eye, and at the same time look behind with another.

a)    Only 1

b)    Only 2

c)     Both 1 and 2

d)    Neither 1 nor 2

Ans: b

 

331. Which one of the following statements is not correct?

a)    Milk contains none of the B- vitamins

b)    Vitamins –A (retinal) deficiency leads to dry and scaly skin

c)     One of the symptoms of scurvy is pain in the joints

d)     Vitamin BI (thiamine) deficiency can lead to heart failure

Ans: a

 

332.  Consider the following statements:

a)    Non- function of lachrymal gland is an important symptom of deficiency of Vitamin A.

b)    Deficiency of vitamin BI can lead to indigestion and heart enlargement

c)     Vitamin C deficiency can lead to pain in the muscles.

d)    Deficiency of vitamin D causes increased loss of Ca++ in urine.

Which of these statements given above is/are correct?

a)    1 and 2

b)    2 ,3 and 4

c)     1,3  and 4

d)    1,2,3  and 4

Ans: c

 

333. The hormone insulin is a:

a)    Glycolipid

b)    Fatty acid

c)      Peptide

d)    Sterol

Ans: c

 

334. In which organ of the human body are the Iymphocyte cells formed?

a)    Liver

b)    Long bone

c)     Pancreas

d)    Spleen

Direction: The following question consists of two statements: one labelled as the ‘Assertion (A)’ and

the other as ‘Reason (R) ’. You are to examine these two statements carefully and select the answers to these items using the codes given below:

Codes:

a) Both A and R are individually true and R is the correct explanation of

b) Both A and R are individually true and R is not the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: b

 

335. Assertion (A): Fatty acids should be a part of the balanced human diet.

Reason ( R) : The cells of the human body cannot synthesize any fatty acids.

Ans: a

 

 

336. Consider the following statements:

1.    Femur is the longest bone in the human body.

2.    Cholera is a disease caused by bacteria.

3.    ‘Athlete’s foot’ is a disease caused by virus.

Which of these statements given above is/are correct?

a)    1 and 2

b)    2  and 4

c)     1  and 3

d)    1,2, and 3

Ans: c

 

337. Pneumoconiosis afflicts the workers who work mainly in

a)    Tanneries

b)    Coal mining industry

c)     Distilleries

d)    Galss industry

Direction: The following question consit of two statemnts, one labeled as the ‘Assertion (A)’ and the other as 'Reason ( R) You are to examine these two statements carefully and select the answer to these items using the codes given below:

a) Both A and R are individually true and R is the correct explanation of

b) Both A and R are individually true and R is the correct explanation of A

c) A is true but R is false

d)  A is false but R is tru

Ans: b

 

 

 

338. Assertion (A) : All the protiens in our food are digested in small instenise only.

Reason ( R) : The protein –digesting enzymes from pancreas are released in to small intestine.

Direction: The following question consist of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answer to these items using the codes given below

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true  but and R is the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: d

339.  Assertion (A): Amoeba reproduces by fission.

Reason (R) : All unicellular organism reproduce by asexual methods.

Direction: The following question consist of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answer to these items using the codes given below

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true but R is not the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: c

 

340. Assertion (A): The person with diabetes insipidus    feels thirsty.

Reason ( R) : A person with diabetes insipidus suffers from excess secretion of vasopressin.

Ans: c

 

341. Which one of the following diseases of milching animals are infectious?

1.    Foot and Mouth disease

2.    Anthrax

3.    Black Quarter

4.    Cow pox

Select the correct answer using the codes given below:

a)    1, 2 and 3

b)    2, 3 and 4

c)     1 and  4

d)    1, 2, 3 and  4

Ans: d

 

342. Under which one of the Minister of the Government of India does the Food and Nutrition Board work?

a) Minister of Agriculture.

b) Minister of Health and Family Welfare.

c) Minister of Human Resource Development

d) Minster of Rural Development

Ans: b

 

343. Consider the following statement:

1.    Dengue is a protozoan disease transmitted by mosquitoes.

2.    Retro – orbital pain is not a symptom of Dengue.

3.    Skin rash and bleeding from nose and gums are some of the symptoms of the Dengue.

Which one of the following is/are correct?

a)    1 and  2

b)    3 only

c)     2 only

d)    1 and  3

Ans: b

 

344.  Consider the following statements:

1.    Caffeine, a constituent of tea and coffee is a diuretic

2.    Critic and is used in soft drinks

3.    Ascorbic acid is essential for the formation of bones and teeth.

4.    Critic acid is a good substitution for ascorbic acid in our nutrition.

Which one of the statements following is/are correct?

a)    1 and  2, only

b)    1,2 and 3, only

c)     3 and  4 only

d)    1, 2, 3 and 4

Ans: b

 

345. What is the name of the vessel that delivers the nutrient rich blood from the stomach & small intestine to the livers?

a)    Left hepatic artery

b)    Hepatic vein

c)     Right heptic artery

d)    Hepatic portal vein

Ans: d

 

346. Consider the following statements with reference to human body?

1.    The common bile duct release its contents into stomach.

2.    The pancreatic duct releases its contents into duodenum.

Which one of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans:  b

 

347. Consider the following statements

1.    Meningococcal Meningitis is transmitted from person to person by mosquito bites.

2.    Vomiting and neck pain are two of the symptoms of Meningococcal meningitis.

Which one of the statements following is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans:  b

 

348. Which one among the following is not a good source of nutritional calcium?

a)    Rice

b)    Ragi

c)     Skimmed milk

d)    Egg

Ans: a

 

349. Consider the following statements:

1.    ELISA test is employed as the first and most basic test for an individual to detect cancer.

2.     Almost 50% of human beings have Rh + blood while the remaining have Rh – blood.

Which one of the statements following is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Direction: The following question consist of two statements, one labeled as the Assertion (A) and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answers to these items using the codes given below

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true but R is the correct explanation of A

c) A is True but R is false

d)  A is false but R is true

Ans:  d

 

350.  Assertion (A): Cellulose is used in making shatter proof glass.

Reason ( R) : Polysaccharides are not soluble in water.

Ans: d

 

351. Which one of the following is the correct sequence in the order of decreasing length of the three structureal parts given below of small intestine in the human body?

a)    Jejunam – Duodenum – IIeum

b)    IIeum – Duodenum – Duodenum

c)     Jejunum – Ileum –Duodenum

d)    Ileum – Jejunum –Duodenum

Ans: d

 

352. In human boy, which one of the following hormones regulates blood calcium and phosphate?

In human body, which one of the following hormones regulates blood calcium and phosphate?

a)    Glucagon

b)    Growth hormone

c)     Parathyroid

d)    Thyroxine

Ans: c

 

353. How do most insects respire?

a)    Through skin

b)    Through gills

c)     BY lungs

d)    BY tracheal system

Ans: d

 

354. In human being, normally in which one of the following parts, does a sperm fertilize the ovum?

a)    Cervix

b)    Fallopian tube

c)     Lower part f uterus

d)    Upper part of uterus

Ans: b

 

355. Which one of the following parts of human brain is the regulating centre for swallowing and vomiting?

a)    Cerebellum

b)    Cerebrum

c)     Medulla oblongata

d)    Pons

Ans: c

 

356. Production of which one of the following is a function of the liver?

a)    Lipase

b)    Urea

c)     Mucus

d)    Hydrochloric acid

Ans: b

 

357. Which of the following is not a digestive enzyme in the human systems?

a)    Cholecystokinin

b)    Gastrin

c)     Secretin

d)    All of the above

Ans: d

 

358. Which of the following types of light are strongly absorbed by plants?

a)    Violet and orange

b)    Blue and red

c)     Indigo and yellow

d)    Yellow and violet

Ans: b

 

359. In the human body, which structure is the appendix attached to?

a)    The large intestine

b)    The small intestine

c)     The gall bladder

d)    The stomach

Ans: a

 

360. Robert Webster is known for his work associated with which one of the following?

a)    Cardiology

b)    Influenza virus

c)     HIV –AIDS

d)    Alzheimer

Ans:   b

 

361. Which one of the following parts of the pitcher plant becomes modified into pitcher?

a)    Stem

b)    Leaf

c)     Stipule

d)    Petiole

Ans: b

 

362. Consider the following statements about probiotic food:

1.    Probiotic food contains live bacteria which are cindered beneficial to humans.

2.    Probiotic food helps in maintaining gut flora.

Which of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans: c

 

363. What is the pH level blood of normal person?

a)      4.5 – 4. 5

b)     6. 45 – 6.55

c)      7. 35 – 7.45

d)     8. 25 – 8.35

Direction: The following 4 (four)  items consist of two statements, one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R) ‘ you are to examine these to statements carefully and select the answer to these items using the codes given below:

a) Both A and R are individually true and R is the correct explanation of A

b) Both A and R are individually true but R is the correct explanation of A

c) A is true but R is false

d)  A is false but R is true

Ans: c

364.   Assertion (A): In Human body, liver has an important role in fat digestion

Reason ( R): Liver produces two importance fat-digesting enzymes.

Ans: c

365. Among the following, which of the following, which one lays eggs and does not produce young ones directly?

a)    Echidna

b)     Kangaroo

c)     Porcupine

d)    Whale

Ans: a

 

366. The release of which following into ponds and wells helps in controlling the mosquitoes?

a)    Crab

b)    Dogfish

c)     Gambusia fish

d)    Snail

Ans: a

 

367.  Which one of the following is an insectivorouss plant?

a)    Passion flower plant

b)    Pitcher plant

c)     Night queen

d)    ‘Flame of the forest.

Ans: b

 

368. For which one of the following snakes is the diet mainly composed of other snakes?

a)    Krait

b)    Russell’s viper

c)     Rattlesnake

d)    King cobra

Ans: d

 

369. In which one of the following kinds of organisms is the phenomenon found wherein the female kills the male after copulation?

a)    Dragonfly

b)    Honeybee

c)     Spider

d)    Pit viper

Ans: b

 

370.   Consider the following statements:

1.    Sweet orange plant is propagated by grating technique.

2.    Jasmine plant is propagated by layering technique.

Which of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans: c

 

371. In the context of genetic disorders, consider the following: A women suffers from color blindness while her husband does not suffer from it, They have a son and a daughter. In this context, which one of the following statements is most probably correct?

a)    Both children suffer from colour blindness.

b)    Daughter suffers from colour blindness while son does not suffer from it.

c)     Both children do not suffer from colour blindness.

d)    Son suffers from colour blindness while daughter does not suffer from it.

Ans: d

 

372.  Consider the following:

a)    Camphor

b)    Chicory

c)     Vanilla

Which of the above is/are plant product (s)?

a)    1 and 2 only

b)    3 only

c)     1 and 3 only

d)    1, 2 and  3

Ans: d

 

373. In making the saffron spice, which one of the following parts of the plant is used?

a)    Leaf

b)    Petal

c)     Sepal

d)    Stigma

Ans: d

 

374. With reference to the evolution of living organisms,

Which one of the following sequences is correct?

a)    Octopus –Dolphin – Shark

b)    Pangolin – Tortoise –Hawk

c)     Salamander – python – Kangaroo

d)    Frog – Crab – prawn

Ans: c

 

375. Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?

a) Malaria is caused by several species of plasmodium

b) Man does not develop immunity, to r malaria during natural infection

c) Vaccines can be developed only against bacteria

d) Man is only an intermediate host and not the definitive host

Ans: a

 

376. A pesticide which is a chlorinated by drocarbon is sprayed on a food crop. The food chain is: Food crop –Rat-snake- Hawk. In this food chain, the  highest concentration of the pesticide would  accumulated in

Which one of the following?

a)    Food crop

b)    Rat

c)     Snake

d)    Hawk

Ans: d

 

377. King Cobra is the only snake that makes its own nest. Why does I make its nest?

a)    It is a snake – eater and the nest helps attract other snakes

b)    It is viviparous snake and needs a nest to give birth to its offspring

c)     It is an oviparous snake and lays its eggs  in the nest and guards the nest until they are hatched

d)    It is a large, cold blooded  animal and  needs a nest to hibernate in the cold season

Ans: c

 

378. Some species of plants are insectivorous, why?

a)    Their growth in shady and dark places does not allow them to undertake sufficient photosynthesis and thus they depend on insects for nutrition

b)    They are adapted to grow in nitrogen deficient soils ad thus depend on insects for  sufficient nitrogenous nutrition

c)     They cannot synthesize, certain vitamins themselves and depend on the insects digested by them

d)    They have remained in that particular stage of evolution as living fossils., a link between autotrophs and heterotrophs

Ans: b

 

379. Which one of the following process in the bodies of living organisms is digestive process?

a) Break down of proteins in to amino acids

b) Breakdown of glucose into CO-2 and H2 0

c) Conversion of glucose into glycogen

d) Conversion of amino acids into proteins

Ans: a

 

380. From the point of view of evolution of living organisms, which one of the following is the correct sequence of evolution?

a)    Otter –Tortoise – Shark

b)    Shark – Tortoise – Otter

c)     Tortoise –Shark –Otter

d)    Shark –Otter- tortoise

Ans: b

 

381. Consider the following statements:

a)    Hepatitis B is several times more infectious than HIV/AIDS

b)    Hepatitis B can cause liver cancer

Which of the statements given above is/are correct?

a) 1 only

b) 2 only

c) Both 1 and 2

d) Neither 1 nor 2

Ans: c

 

382. Consider the following statements:

1.    Every individual in the population I equality susceptible host for Swine Flu.

2.    Antibiotics have no rule in the primary treatment of Swine Flu.

3.    To prevent the future spread of Swine Flu in the epidemic area, the swine (pigs) must all be culled.

Which of the statements given above is/are correct?

a)    1 and  2 only

b)    3 only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  a

 

383. With regard to the transmission of the Human Immunodeficiency virus, which one of the following statements is not correct?

a)    The chances of transmission from female to male are twice as likely as from male to female

b)    The chances of transmission are more if a person suffers from other sexually transmitted infection

c)     An infected mother can transmit the infections to her baby during pregnancy, at child birth and by breast feeding

d)    The risk of contracting infection from transfusion of infected blood is much higher than an exposure to contaminated needle

Ans:  a

 

384.  A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the three sons is A positive, B positive and O positive. The blood group of the adopted son is

a)    O positive

b)    A positive

c)     B positive

d)    Cannot be determined on the basic of the given data

Ans: a

 

385. Aspartame is an artificial sweetener sold in the market. It consists of a minor acids and provides calories like other amino acids. Yet, it is used as low- calories sweetening agent in food items. What is the basis of this use?

a)    Aspartame is as sweet as table sugar, but unlike table sugar, it is not readily oxidized in human body due to lack of requisite enzymes.

b)    When aspartame is used in food processing, the sweet taste remains, but it becomes resisitant to oxidation.

c)     Aspartame is as sweet as sugar, but after ingestion into the body, it is converted in to metabolites that yield no calories.

d)    Aspartame is several times sweeter than table sugar, hence food items made with small quantities of aspartame yield fewer calories on oxidation.

Ans: b

 

386. At present, scientists can determine the arrangement or relative positions of genes or DNA sequences on a chromosome. How does this knowledge benefit us?1.    It is possible to know the pedigree of livestock.

2.    It is possible to understand the cause of all human diseases.

3.    It is possible to develop diseases – resistant animal breeds.

Which of the statements given above is/are correct?

a)    1 and  2 only

b)    2 only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  d

 

387. When the bark of a tree is removed in a circular fashion all around near its base, it gradually dries up and dies because

a)    Water from soil cannot rise to aerial parts.

b)    Roots are starved of energy.

c)     Tree is infected by soil microbes.

d)    Roots do not receive oxygen for respiration.

Ans: b

 

388. Regular intake of fresh fruits and vegetables is recommended in the diet since they area good source of antioxidants. How do antioxidants help  a person maintain health and promote longevity?

a)    They active the enzymes necessary for vitamin synthesis in the body and help prevent vitamin deficiency.

b)    They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help avoid unnecessary wastage of energy.

c)     They neutralize the free radicals product in the body during metabolism

d)    They activate certain genes in the cells of the body and help delay the ageing process.

Ans: c

 

389. There is concern over the increase in harmful algal blooms in the sea water of India. What could be the causative factors for this phenomenon?

a)    Discharge of nutrients form the estuaries.

b)    Run –off from the land during the monsoon

c)     Upwelling in the seas.

Select the correct answer from the codes given below:

a)    1 only

b)    1 and  2 only

c)     2 and 3 only

d)    1,2 and 3

Ans:   d

 

390. Consider the following kinds of organisms:

a)    Bat

b)    Bee

c)     Bird

Which of the above is/are pollinating agent/agents?

a)    1 and  2 only

b)    2only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  d

 

391. Consider the following kids of organisms:

1.    Bacteria

2.    Fungi

3.    Flowering plants

Some species of which of the above kinds of organisms are employed as bio fertilisers?

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

392. With reference to the usefulness of the by – products of sugar industry, which of the following statements is/are correct?

a)    Bagasse can be used as biomass fuel for the generation of energy.

b)    Molasses can be used as one of the feedstock for the production of synthetic chemical fertilizers.

c)     Molasses can be used for the production of ethanol.

Select the correct answer using th codes given below:

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

393. Improper handling and storage of cereal grains and oil seeds results in the production of toxins known as aflatoxins which are not generally destroyes by normal cooking process. Aflatoxins are produced by

a)    Bacteria

b)    Protozoa

c)     Moulds

d)    Viruses

Ans: c

 

394. In the grasslands, tree do not replace the grasses as a part of an ecological succession because of

a)    insects and fungi

b)    limited sunlight and paucity of nutrients

c)     water limits and fire

d)    None of the above

Ans: c

 

395. Consider the following minerals

a)    Calcium

b)    Iron

c)     Sodium

Which of the minerals given above is /are required by human body for the contraction of muscles?

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

396. Many transplanted seedlings do not grow because

a)    the new soil does not contain favorable minerals

b)    most of the root hairs grip the new soil too hard

c)     most  of the  root hairs are lost during transplantation

d)    leaves get damaged during transplantation

Ans: c

 

397. Which of the following statements is /are correct?

a)    Viruses lack enzymes necessary for the generation of energy.

b)    Viruses can be cultured in my synthetic medium.

c)     Virus are transmitted form one organism to another by biological vectors only.

Select the correct answer using the codes given below:

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: a

 

398. Which of the following leaf modificationsoocurs/ occur in desert areas to inhabit water loss?

1.    Hard and waxy leaves

2.    Tiny leaves or no leaves

3.    Throns instead of leaves

Select the correct answer using the codes given below

a)    1 and  2 only

b)    2only

c)     1 and 3 only

d)    1, 2 and  3

Ans:  d

 

399. Consider the following pairs:

Vitamins Deficiency?   : Diseases

1.    Vitamin C            : Scurvy

2.    Vitamin D            : Rickets

3.    Vitamin E            : Night blindness

Which of the pairs above is/are correctly matched?

a)    1 and  2 only

b)    3 only

c)     1,2 and  3

d)    None

Ans:  a

400. Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of

a)    algae and bacteria

b)    algae and fungi

c)     bacteria and fungi

d)    fungi  and mosses

Ans: b

 

401. Which one of the following is the process involved in photosynthesis?

a)    Potential energy is released to form free energy

b)    Free energy is converted in to  potential energy and stored

c)     Food is oxidized to relase carbon dioxide and water

d)    Oxygen is taken, and carbon dioxide and water vapor are given out

Ans: b

 

402. Which of the following is/are correct regarding vegetative propagation of plants?

1.    Vegetative propagation produces clonal population

2.    Vegetative propagation helps in eliminating the virus.

3.    Vegetative propagation can be practiced most of the year.

Select the correct answer using the codes given below:

a)    1 only

b)    2 and 3 only

c)     1 and  3 only

d)    1, 2 and  3

Ans: d

 

403. Among the following organisms, which one does not belong to the class of other three?

a)    Crab

b)    Mite

c)     Scorpin

d)    Spider

Ans: a

 

404. Consider the following

1.    Bats

2.    Bears

3.    Rodents

The phenomenon of hibernation can be observed in

Which of the above kinds of animals?

a)    1 and  2 only

b)    2 only

c)     1, 2 and  3

d)    Hibernation cannot be observed in any of the above

Ans:  c

 

405. HINI Virus is sometimes mentioned in the news with reference to which one of the following diseases?

a)    AIDS

b)    Bird flu

c)     Dengue

d)    Swine flu

Ans: d

406. In eye donation, which one of the following parts of donor’s eye is utilised?

a)    Iris

b)    Lens

c)     Cornea

d)     Retina

Ans: c

 

407. Which one of the following genetic diseases is sex linked?

a)    Royal haemophilia

b)    Tay – Sachs disease

c)     Cystic fibrosis

d)    Hypertension

Ans: a

 

408. Neem tree has acquired industrial importance as a source of

a)    biopesticide and anti –fertility compound

b)    anti –fertility compound, bio fertilizer and anti-cancer grug

c)     bio fertilizer, bio pesticide and bioferility compound

d)    anti –cancer drug, bio pesticide and bio fertilizer

Ans: c

 

409. Lathyrism is caused by excessive consumption of

a)    Kasari dal

b)    Mustard oil

c)     Polished rice

d)    Mushrooms

Ans: a

 

410. Barium in a suitable form is a administered to patients before an X-ray examination of the stomach, because

a)    barium allows X-rays to pass through the stomach on account of its transparency to x-rays

b)    barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination

c)     barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture

d)    barium salts are white in color and this helps the stomach to appear clearly in contrast with other regions in the picture

Ans: c

 

411. When ants bite, they inject

a)    glacial acetic acid

b)    methanol

c)     formic acid

d)    stearic acid

AnS: c

 

 

412. Which one of thefolloiwng is useful functional association between fungi and the roots of higher plants?

a)    Biofertilizer

b)    Coralloid root

c)     Lichen

d)    Mycorrhiza

Ans: d

 

413. Match the hormones in List I with items in List II and select the correct answer using the codes given below the Lists:

            List I             : List II

A.    Adrenalin        : 1. Anger, Fear, Danger

B.    Estrogen          : 2. Attracting partners of smell through sense

C.    Insulin               : 3. Females

D.    Pheromones   : 4. Glucose

Codes:

         A     B   C     D

a)    3     1   4    2

b)    1     3   2    4

c)     1    3    4    2

d)    3    1    2    4

Ans: c

414. Match List I (Drugs/Chemicals) with List II (Their uses) and select the correct answer using the codes given below the Lists:

             List I                 : List II

A.     Atropine         :  1. Local anesthesia

B.    Ether                 : 2. Heart trouble

C.    Nitroglycerine:  3. Dilation of pupil

D.   Pyrethrin          : 4. Mosquito control

Codes:

          A     B    C    D

a)     1     3    2    4

b)     1     3    4    2

c)      3    1    4     2

d)     3    1    2     4

Ans: a

 

415. Biological Oxygen Demand (BOD) is a standard criterion for

a)    Measuring oxygen levels in blood

b)    Computting oxygen  levels in forest ecosystems

c)     Pollution assay in aquatic ecosystems

d)    Assessing oxygen levels in high altitude regions

Ans: c

 

416. Consider the following statements:

1.    In tropical regions, Zika virus disease is transmitted by the same mosquito that transmits dengue.

2.    Sexual transmission of Zinka virus disease is possible.

Which of the statements given above is/are correct?

a)    1 only

b)    2 only

c)     Both 1 and  2

d)    Neither 1 nor 2

Ans: c

 

 

417. Which of the following leaf modifications occur(s) in the desert areas to inhabit water loss?

1.    Hard and waxy leaves

2.    Tiny leaves

3.    Throne instead of leaves

Select the correct answer using the code given below:

a)    2 and 3 only

b)    2 only

c)     3 only

d)    1, 2 and  3

Ans: d

 

418. Consider the following:

1.    Birds

2.    Dust blowing

3.    Rain

4.    Wind blowing

Which of the above spread plant diseases?

a)    1 and  3 only

b)    3 and 4 only

c)     1,2 and 4 only

d)    1, 2, 3 and  4

Ans: d

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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