1 Science questions

 

 1. What are vitamins

(A) Organic compound
(B) Living organism
(C) Inorganic compound 
(D) None of these 

Ans 

2 Water soluble vitamin is 

(A) Vitamin A 
(B) Vitamin D 
(C) Vitamin C 
(D) Vitamin K

Ans

3. The common name of the chemical compound 'Cholecalciferol' is

(A) Bone Calcium
(B) Vitamin B
(C) Vitamin D
(D) Vitamin C

Ans. 

4.Which one of the following is not formed in our body?

(A) Vitamin  A 
(B) Enzyme
(C) Protein
(D) Hormones

Ans 

5.In the human body vitamin A is stored in:

(A) Pancreas
(B) Stomach
(C) Liver
(D) Spleen

Ans 

6. Cyanocobalamin is:

(A) Vitamin C 
(B) Vitamin B two
(C) Vitamin B six 
(D) Vitamin B twelve 

Ans. 

7. Night blindness is caused by the deficiency of 

(A) Vitamin B one
( B) Vitamin A
(C) Vitamin C 
(D) Vitamin E 

Ans 

8. Which of the following vitamins is necessary for the clotting of blood? 

(A) Vitamin A 
(B) Vitamin E 
(C) Vitamin C
(D) Vitamin K

Ans.

9. Rich Source of Vitamin C is 

(A) Potato
( B)  Sugar cane
( C) Orange 
( D) Amla

Ans

10. Which one of the following Statements is not correct?

(A) Milk contains none of the vitamin-B
(B) Vitamins-A (retinol) deficiency leads to dry and scaly skin
(C) One of the symptoms of Scurvy is pain in the joints
(D) Vitamins B (Thiamine) deficiency can lead to heart failure

Ans.

11.. Vitamin which is found in citrus fruits and vital for health of skin i

(A) Vitamin A
(B) Vitamin C
(C) Vitamin B
(D) Vitamin D

Ans.

12. Vitamin which produced by Sun Rays

( A) Vitamin A
( B) Vitamin B
( C) Vitamin C
( D) Vitamin.D

Ans 

13.Which of the following vitamins below is known as ergocalciferol ? 

(A) Vitamin D two
(B) Vitamin D three
(C) Vitamin B twelve 
(D) Vitamin B six

Ans

14. Which of the main vitamins found in Papaya?

(A) Vitamin A
(C) Vitamin C
(B) Vitamin B
(D) Vitamin K

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

A) They activate the enzymes necessary for Vitamin synthesis in the body and helps to prevent the Vitamin deficiency.

(B) They prevent excessive oxidation of carbohydratesdates, fats and proteins in the body and unnecessary wastage of energy

(C) They neutralise the free radicals produced in the body during metabolism

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

Ans 

16.Which one of the following compounds is not stored in the human body?

(A) Glycogen 
(B) Fats 
(C) Amino acids 
(D) Tocopherol

Ans.

17.  An earth satellite is kept moving in its  orbit. It is due to the phenomenon of centripetal force provided by

(A) The rocket engine propelling the satellite.
(B) The gravitational attraction of the earth on the satellite
(C) The gravitational attraction of the sun on the satellite.
(D) The gravitational attraction of satellites on earth.

Ans.

18.The washing machine works on the principle
:
(A) Diffusion
(B) Reverse osmosis 
(C) Centrifugation 
(D) Gravitation

Ans. 

19. A ball thrown outside from an artificial satellite revolving round the earth will:

(A) Go on the sun
(B) Go on the moon
(C) Fall on the earth
(D) Revolve around the earth in the same orbit with the same time period as satellite.

Ans 

20. While lifting a bucket of water from a well, we feel that the bucket

(A) Becomes heavier above the surface of water. 
(B) Becomes lighter above the surface of water.
(C) Lose stability on coming out of the water. 
(D) Has gained mass on coming out of water. 

Ans.

21.  It is more difficult to walk on ice than on the road because
: 
(A) Ice is harder than the road.
(B) Road is harder than ice.
(C) Ice does not offer any reaction when we push it with our feet.
(D) Ice has less friction than roads.

Ans 
\
22. .A man sitting on a train in motion is facing the engine. He tosses a coin, the coin falls behind him. The train is moving:

A) With uniform speed in forward direction
(B) With deceleration in backward direction
(C) With acceleration in forward direction
(D) With uniform speed in backward direction

Ans.

23.. Which of the following forces is responsible for the flow of water in rivers?

(A) Force of friction
(B) Gravitational force
(C) Electrostatic force 
(D) Magnetic force

Ans. 

24. Consider the following statement and conclusions which can be drawn from it.
Choose the correct conclusion.

Statement: in starting a loaded cart, one has to push harder than to keep it moving.

Conclusion:

(A) The weight of a moving object is less
(B) The wheels tend to slip with initially
(C) There is less friction once the cart starts moving
(D) Practice makes perfect

Ans.

25. Rocket works on the principle of the following 

(A) Avogadro's 
(B) Energy conservation
(C) Momentum conservation
(D) Bernoulli's theorem

Ans. 
\
Answer
1 A ,   2C,   3D,   4A , 5C,   6D ,  7B,   8D,   9D , 10A ,  11C,   12D,   13A,   14A,    15C,  16D,   17B,  18C,  19D ,  20C,   21D,   22C,   23B,   24C,  25C

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