Science & Technology 140 qts & Ans
1. Skylab
crashed on July 11, 1979 in
a) Pacific
Ocean
b) Atlantic
Ocean
c) Mediterranean
Sea
d) Indian
Ocean near Western Autralia
Ans:
d
2. India has
launched Symphonic Satellite Telecommunication Experiment project (STEP). It is
a joint project of the
a) S
and T Department and Indian Space Research Organization
b) Ministry
of Energy and Space Commission
c) Ministry
of Defense and Indian Space Research Organization
d) Indian
Space Research Organization and Ministry of Industry
Ans:
a
3. put the
following mass communication media in the sequence in which they came to India?
1. Radio
2. Television
3. Films
4. Printing
Select the
correct following statements is true?
a) 1,
3, 2, 4
b) 1,
4, 3, 2
c) 2,
4, 3, 1
d) 4,
3, 1, 2
Ans:
d
4. Which of
the following statements is true?
a) Bhaskara
and Arybhata were put into orbit from a Chinese Cosmodrome
b) Bhaskara
and Arybhata were put into orbit from a Freanch cosmodrome
c) Rohini
II is going to be Launched from Moscow
d) Rohini,
the third Indian satellite, was launched from Sriharikota
Ans:
d
5. Total
solar eclipse was observed in February 1980 in India at
a) Delhi
b) Puri
c) Bombay
d) Calcutta
Ans: d
6.
Hybridization is useful in developing improved in crops by
a) Creating
new and better genes
b) Eliminating
undsriable genes
c) Producing
favourable combaination of genes
d) BY
encouring favouratir genes and removing unfavourable genes
Ans:
d
7. America’s
space shuttle is
a) Voyager
b) Apollo
c) Soyuz
d) Colimbia
Ans: d
8. A radio
station is to be set in a remote village without any electrical power. The
following options are valuable:
1. Laying of transmission
lines from power station to the village
2. Installing diesel
generators
3. Using rechargeable
batteries
4. Uisng solar panel /
stills
Of
these the last method is an example of
a) Appropritae
technology
b) Ultimate
technology
c) Redundant
technology
d) Obsolete
technology
Ans:
b
9. In April
1982, INSAT -I A was launched from
a) Cape
Canaveral
b) A
soviet commodore
c) Sriharikota
d) Thumba
Ans:
a
10. Write in
chronolocal order
1) ‘Man’s
landing on moon
2) Discovery
of radio activity
3) First
nuclear explanation
4) Launching
of first satellite by India
The
Correct order is
a) 3,
2, 4, 1
b) 3,
2, 1, 4
c) 3,
1, 4, 2
d) 2,
3 , 1, 4
Ans:
d
11. The first geostationary satellite launched by
India is
a) Aryabhata
b) Bhaskara
c) APPLE
d) INSAT 1 –B
Ans : c
12. Which of the following discoveries is/are
associated with Einstein?
1. Theory of relativity
2. Quantum theory
3. Radio activity
4. Rocket
propulsion
The
correct options are :
a) 1
and 2
b) 1,2
and 3
c) 1,2
and 4
d) 1
only
Ans : a
13 .The Indian Space Research Organization
is situated at
a) Trivandrum
b) Bangalore
c) Ahmedabad
d) Thumba
Ans : b
14. Chips used in integrated circuits in computers
are made of
a) Mica
b) Manganese
c) Sillicon
d) Zinc
Ans : c
15. India has decided to acquire…
to match Pakistan‘s F-16
a) Jaguars
b) MIG-29
c) Miage-2000
d) Harpoon
Ans: b
16. India carried out
its first underground nuclear explosion at
a) Thumba
b) Pokhran
c) Trombay
d) Khemkaran
Ans:
b
17. State the chronological order which the
following events took place:
1. Launching
of APPLE
2. Launching
of rohini
3. Antarctica
expedition
4. Indian
cosmonaut
Codes:
a) 3-1-2-4
b) 2-3-1-4
c) 2-1-3-4
d) 3-2-1-4
Ans:
a
18. What is the tissue culture?
a) Preparation
of fragments of the cells of organism for biochemical examination
b) Japanese
culture
c) Name
given to a special type of surgery
d) None
of the above
Ans: a
19. Genetic code is made up by the four-letter
alphabet forming the pairs
a) A-C,
C-A, T-G, G-T
b) A-G,
G-A, C-A, T-C
c) T-G,
G-T, A-C, C-A
d) A-T,
T-A C-G, G-C
Ans: d
20. Which of the following is
correct for tea?
a) Alkaline
and nicotine
b) Alkaline
and caffeine
c) Acidic
and nicotine
d) Acidic
and caffeine
Ans: d
21.
Interleukin, recently discovered, is a cure for
a) Arthritis
b) Diabetes
c) Cancer
d) Influenza
Ans: c
22. Which of the following statements is incorrect?
a) Entropy
is a quantity introduced to give clear expression to the results of
thermodynamics
b) Change
in entropy is defined as the ratio of the amount heat taken up to the absolute
temperature
c) Change
in entropy is directly proportional to the amount of heat taken up
d) The
entropy of a system is a measure of its degree of disorder
Ans: d
23. The hybrids of
which of the following plants are available for commercial production
1. Rice
2. Wheat
3. Jute
4. Pulses
Codes:
a) 1,
2 and 4
b) 2
and 3
c) 3
and 4
d) 2,
3 and 4
Ans:
a
24. Which of the following was the first to escape
out of solar system?
a) Pioneer
10
b) Voyager
I
c) Voyager
II
d) Soyuz
Ans: b
25. Match
the columns:
List I
List II
Forms Quantities
A. Cusec 1. Pressure
B. Byte 2. Intensity of earthquakes
C. Richter 3. Rate of flow
D. Bar 4. Computer memory
Select the correct
answer from the codes given below:
A B C D
a) 4 1 2 3
b) 2 4 3 1
c) 3 4 2 1
d) 3 2 1 4
Ans: c
26. Match the columns
List I List
II
Names of instruments The quantities they measure
A. Anemometer 1. Speed of rotation
B. Ammeter 2. High temperatures
C. Tachometer 3. Wind speed
D. Pyrometer 4. Electric current
5.
Pressure difference
Select the correct answer from the
codes given below
A
B C D
a) 4 3
1 5
b) 3 4 1 2
c) 3 5 2 1
d) 1 4 5 2
Ans: b
27. The Indian air
force has MIG planes. The most advanced version of MIG at present is called
a) MIG-25
b) MIG-27
c) MIG-29
d) MIG-31
Ans: c
28. A recently
developed technique for monitoring foetal growth uses
a) X-rays
b) Microwaves
c) Ultrasonics
d) Ultraviolet
rays
Ans: c
30. The major
ingredient for leather is
a) Collagen
b) Polymer
c) Carbohydrate
d) Nucleic
acid
Ans: a
31. For development
inbred lines in farm animals following factors are taken consideration:
1.
The cross breads should be of
outstanding type
2.
They should not carry be of outbidding
ype
3.
Progeny tested animals
4.
Herd size should be large
Of
the statements given above, which one of the following combinations of factors
is most essential?
a) 1and 3
b) 2
and 3
c) 1
and 4
d) 2
and 4
Ans: d
32. An asteroid
discovered by the scientist of Indian Institution of Astrophysics has been
named after
a)
Venu Bapu
b)
Indira Gandhi
c)
C>V Raman
d)
S. Raman jam
Ans:
a
33. Consider the following effects of genetic
engineering:
1. Disease
resistance
2. Growth
promotion
3. Closing
4. Longevity
Of these effects, those of success
include
a) 1,
3 and 4
b) 2,
3 and 4
c) 1,
2 and 4
d) 1,
2 and 3
Ans: c
34. Which one of the
following techniques has helped to solve many steries involving murders,
robberies and rapes?
a) Gene
splicing
b) Computer
tomography
c) DNA
FIGERPRINTING
d) Gene
cloning
Ans: c
35. On a half – moon
night the angle between the moon and the sun when measured from earth is about
a)
45
b)
60
c)
90
d)
180
Ans:
c
36. Which one of the
following is not a satellite of Jupiter?
a)
Lo
b)
Calisto
c)
Europa
d)
Titan
Ans:
d
37. To, ahawk,a cruise
missle was used in
a)
World War II
b)
Iran – Iraq War
c)
Gulf War
d)
World War I
Ans:
c
39. If a mouse of over
eight times its normal size has been produced by introducing human growth
hormone gene, the technique involved is called
a)
Hybridization
b)
Genetic engineering
c)
Mountain Breeding
d)
Hormonal feeding
Ans:
b
40. Which one of the
following approaches comes under the category of biotechnology?
1.
Use of living organisms or substance
obtained from them in industrial process
2.
Modernizing the commercial industries to
produce products for use in biological research
3.
Use of modern technology biological
research
4.
Use of modern=technology to increase the
biosphere
Ans:
a
41. Which one of the
following seeds can benefit a patient of diabetes mellitus by normalizing the
biosphere?
a)
Coriander seeds
b)
Mustard seeds
c)
Cumin seeds
d)
Fenugreek seeds
Ans:
d
42. Scratching eases inching because
a)
It removes the outer in the skin
b)
It kills the garms
c)
It stimulate certain nerve which direct
the brain to increase the production
f antihistaminic chemicals
d)
It suppresses the production of enzymes
which cause itching
Ans:
c
43. HAEMOPHILA IS A
HERE DITARY DISEASE CARRIED BY
a)
[i]FEMALES
AND EXPRESSED BY FEMALS
b)
FEMALES AND EXPRESSED BY MALES
c)
MALES AND EXPRESSED BY FEMAL
d)
Males and expressed by males
Ans:
b
44. The blood pressure
values of four persons are given below:
a)
Mrs. X : 90/60
b)
Mrs . X : 160/120
c)
Mr. Y : 120 /80
d)
Mr .Y
Ans:
c
45. Biofilm are
a)
Color films used by biolysis’s to photograph
various organism
b)
Photomicrographs of micro or genism’s
from various habitats
c)
Accumulations of microorganisms from
various habitats
d)
Photographic films made through
femerntains process of certain industrial microorganisms
Ans:
c
46. In many developing countries
three major cause of death and disease are
a) Lack
of sale drinking water, increasing use of pesticides and thinning of the ozone
layer
b) Contaminated
food, global warming and industrial chloral – carbons
c) Polluted
air, greenhouse effect and soil erion
d) Dirty
water, contaminated food and polluted air
Ans:
a
47. In the field of
space technology, India has demonstrated during 1994, her capability to
a)
design advances intercontinental ball is missile
warming systems
b)
bulled satellites
c)
build stealth missles
d)
launch geo – stationary satellites
Ans:
a
48. Comet shoemaker –
Levy 9 hit the planet
a)
Pluto
b)
Mars
c)
Jupiter
d)
Saturn
Ans:
c
49. Cryogenic engines
find applications in
a)
Sub- marine propulsion
b)
Frost –free refrigerators
c)
Rocket technology
d)
Researches in superconductive
Ans:
c
50. Which one of the
following is a modern tank?
a)
Bhim
b)
Akash
c)
Arjun Pritvhi
Ans:
c
51. Which one of the
following is a modern tank?
a) IRS
- P_2
b) IRS
-P_3
c) IRS
-EN
d) IRS-
ID
Ans: d
52. The world’s fastest
computer has been able to perform (as of Dec. 1996)
a)
Atmospheric composition
b)
Thermal conditions
c)
Occurrence of ice caps and frozen water
d)
Occurrence of ozone
Ans:
c
53. Which one of the
following conditions is most relevant for the presence of life on mars?
a) Atmospheric
composition
b) Thermal
conditions
c) Occurrence
of ice caps and frozen water
d) Occurrence of zone
Ans: c
54. The sequencing of the entire genome (the
totality of all genes) of an organism was completed in 1996 the organism was
a) Albino
mouse
b) Yeast
c) Human
being
d) Plasmodium
vivax
Ans: b
55. The memory of a computer commonly
expressed in terms of kilobytes or Megabytes. A byte is made up of
a)
Eight binary digits
b)
Eight decimal digits
c)
Two binary digits
d)
Two decimal digits
Ans:
a
56. For reproducing sound, CD (Compact Disc)
audio player uses a
a) quatz
crystal
b) titanium
needle
c) laser
beam
d) barium
titan ate ceramic
Ans: c
57. Which one of the following organisms can
serve as a biofertiliser for rice crop?
a) Blue
- green algae
b) Rhizobium
sp
c) Myscorrhizal
fungi
d) Azotobactor
sp
Ans: a
58. Insect - resistant
cotton plants have been genetically engineered by inseting a genes from a/an
a)
Virus
b)
Bacterium
c)
Insect
d)
Plant
Ans:
b
59. Hybridism technology is a new
biotechnological approach for commercial production of
a) Monoclonal
antibodies
b) Interferon
c) Antibodies
d) Alcohol
Ans: c
60. The range of Agni -II missile is around
a) 2000
km
b) 3500
km
c) 5000
km
Ans: b
61. Who is the scientist inn whose hour the “Chandra”
x-ray telescope has been named?
a)
Chandrasekhar Venkat Ram
b)
Jag dish Chandra Bose
c)
Paula Chandra Roy
d)
Subramanian Chandrasekhar
Ans:
a
62. With refefrnfcef to
the latest developments in stem cell research, consider the following statements:
1. The
only source of human stem cells are the embroils at blastocyst stage
2. The
stem cells can be derived without causing destruction to blast cuts
3. The
stem cells can regnant themselves in vitro virtually forever
4. Indian
research centers also created a few cell lines
Which can be developed into many types of
tissues.
a) 1,
2, 3, and 4
b) 1,
2 and 3
c) 1,
2 and 4
d) 3
and 4
Ans: d
63. In the year 2001,
NASA Launched a spacecraft to Mars named
a) Mars
Climate Orbiter
b) Mars
Global Surveyor
c) Mars
polar Odyssey
d) Mars
polar Ladder
Ans: c
64. Match List I (Scintists0 with List II I
(Achievement) and select the correct answer using the codes given below the
lists:
List I : List II
( Scientists) : ( Achievement)
A. Arber
and South : 1. Developed transgenic
planets with Agrobacterium
T
- DNA
B. Feldman : 2. Discovered
endonucleases
C. Mullis :3. Discovered
reverse transcriptase
D. Temin and Baltimore: 4. Discovered
polymerase chain reaction
Codes: A B
C D
a) 2
1 4 3
b) 1
2 4 3
c) 2
1 3 4
d) 1
2 3 4
Ans: a
65.
With reference to Indian satellites and their launchers, consider the
following statements:
a) All
the INSAT - series of satellites were launched abroad.
b) PSLVs
were used to launch IRS - series of satellites
c) India
used the indigenously built cryogenic engines for the first time for powering
the third stage of GSLV
d) GSAT,
launched in the year 2001, has payloads to demonstrate digital broadcast and
interne t services.
Ans: c
66. Assertion (A) : Artificial satellites are
always launched from the earth in the eastward direction.
Reason ( R) : The earth
rotates from west to east to east and so the satellite easily attains the
escape velocity.
a) Both
A and R are indicial true and R is the correct explanation of A
b) Both
a and R are individually 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: a
67. Consider the following statements:
1. Inida
launched its first full - fledged meteorological satellite (METSAT) in
September, 2002.
2. For
the irst time, the space vehicle PSLV-C4 carried a paload of more than 1000 kg
into a geosynchrous orbit. Geosynchrous orbit.
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
68. The Genetic Engineering Approval
Committee, whose permission is required for cultivation of any genetically
modified crop such as Bt - cotton in India, is under the Union ministry of:
a) Agriculture
b) Environment
and Forest
c) Commerce
and Industry
d) Rural
Development
Ans: b
69. Consider the following statements:
1.
Adam Osborne produced the first portable computer
2.
Ian Wilmot created the first cloned sheep.
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
70. Consider the following statements:
1. A geostationary satellite is at an
approximate height of 10,000km
2.
FM transmission of music is of very good quality because the atmospheric or
manmade can do little harm.
Which of the statements given above
is/are correct?
a)
1 only
b)
23 only
c)
Both 1 and 2
d)
Neither 1 nor 2
Ans:
b
71. Which one of the following is the landmark
performance of Dr. V. Mohan Reddy, an Indian born doctor working in USA, during
February, 2005?
a) Research
open heart produce due called arterial switch performed on an infant
b) Research
perfumed on an infant
c) Research
on genetic engineering which can help in treatment of deadly disease like AIDS
d) Successful
brain surgery to revive the function of nearly dead brain of a premature born
infant
Ans: b
72. Which one of the following pairs is not
correctly matched?
Recent Sinitic Achievement : Country
a) Creating
the World’s : United Kingdom
First mouse
b) Cloning
human embryo : Germany
For the first time
c) Guiding
a spacecraft for ; United statues
Collision with a comet : of America
d) Landing a spacecraft : Japan
on an asteroid
Ans: c
78. What is the purpose of the US space
Agency’s Themis Mission, which was recently in the news?
a) To study the possibility of life on Mars
b) To study the
satellites of Saturn
c) To study the colorful
display of high latitude skies)
d) To build a Space laboratory
to study the stellar explosions
Ans: d
79. In which one of the
following locations is the (ITER) project to be built?
a) Northern Spain
b) Southern France
c) Eastern Germany
d) Southern Italy
Ans: b
80. Which one of the
following is a spacecraft?
a) Apophis
b) Cassini
c) Spitzer
d) Techsar
Ans: b
81. Selene -1, the following orbit mission
belongs to which one of the following?
a) China
b) European Union
c) Japan
d) USA
Ans: c
82. Conisder the folloiwgn statements:
1. The Shoruya missle files with a speed of
more than 8 March.
2. The range of shourya missie is more than
1600 km
Which of the related to
which on eof the following?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans: c
83. WIMAX is related to
which one of the following?
a) Biotechnology
b) Space technology
c) Missle technology
d) Communication
technology
Ans: d
84. In the year 2008,
which one of the following conducted a complex scientific experiment in which
sub - atomic particles scientific accelerated to nearly the speed of light?
a) European Space Agency
b) European Organization for Nuclear Research
c) International Atomic
Energy Agency
d) National Aeronautics
and Space administration
Ans: b
85. in the context of
Indian news in recent times, What is MCX -sx?
a) A kind of supercomputer
b) Title of Moon Impact
probe
c) Stock Exchange
d) Nuclear - powered
submarine
Ans: c
86. In the context of alternative sources of
energy. Ethanol as a viable bio - fuel can be obtained from
a) Potato
b) Rice
c) Sugarcane
d) Wheat
Ans: c
87. Consider the following statements:
1. INS Sindhughosh is an carrier
2. INS Viraat is a
Submarine
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: d
88. Consider the
following statements:
1. The satellite Oceana
-2 launched by India helps in estimating the water vapor content in the
atmosphere.
2. Satellite helps
predicting the onset of monsoons.
3. Satellite helps monitoring
the pollution of coastal waters.
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
89. Genetically
modifiels”Golden rice” has been engineered to meet human nutritional requirements
which one for the following statements best qualifies golden rice?
a) The grains been
fortified with genes to provide three high times higher grain yield per acre
than other high yielding verities
b) Its grains contain
pro-vitamin A which upon ingestion is converted to vitamin a in the human body
c) Its modified - genes
cause the synthesis of all the nine essential amino acids
d) Its modified - genes
cause the fortification of all its grains with vitamin D.
Ans: b
90. Consider the following
1. Bluetooth device
2. Cordless phone
3. Microwave oven
4.Wi-Fi- device
Which of the above can
operate between 2 -4 and 2 - 5 GH_Z range of radio frequency band?
a) 1 and 2 only
b) 3 and 4 only
c) 1, 2 and 4 only
d) 1, 2, 3 and 4
Ans: d
91. India - based
Neutrino Observatory is included by the planning Commission as a mega science
project under the 11th Five - Year plan. In this context, consider
the following statements:
1. Neutrinos
are charged elementary particles that travel close to the speed of light
2. Neutrinos
are created nuclear reactions of beta decay.
3. Neutrinos
have a negligible =, but nonzero mass.
4. Trillions
of Neutrinos pass through human body every second.
Which
of the statements given above are correct?
a) 1 and 3 only
b) 1, 2 and 3 only
c) 2, 3 and 4
d) 1, 2, 3 and 4
Ans: d
92. Hydrogen fuel cell
vehicles produce one of the following as “exhaust”.
a) NH_3
b) CH_ 4
c) H_2O
d) H_2 O_
Ans: c
93. Recently LASIK
(Laser Assisted In situ keratomilesusis procedure is being made popular for
vision correction. Which one of the following statements in this context is not
correct?
a) LASIK procedure that used to correct
refractive errors of the eye
b) It is a procedure that permanently changes
the shapes of the eye
c) It is a procedure that permanently changes
the shapes of the cornea
d) It reduces a person’s dependence on glasses
or contact lenses
Ans: d
94. Which bacterial as
train, developed from natural isolates by genetic manipulations, can be used
for treating oil spills?
a) Agrobacterium
b) Clostridium
c) Nitrosamines
d) Pseudomonas
Ans: d
95. Which feature of some species of vblue -
green algae helps promote them as bio - fertilizers?
a) They concert atmospheric methane into
ammonia which the crop plants can absorb readily
b) They induce the crop
plants to produce the enzymes which the help convert atmospheric nitrogen to
nitrates
c) They have the mechanism to convert
atmospheric nitrogen into a form that the crop plants can absorb readily
d) They induce the
roots of the crop plants to absorb the soil nitrates in larger quantities
Ans: c
96. Which among the following do/does not
belong/ belongs to the GSM family of wireless technologies?
a) EDGE
b) LTE
c) DSL
d) Both EDGE and LTE
Ans: c
97. With reference to the treatment of
cancerous tumors, a tool called cyber knife has been making the newa.In this
context, which one of the following statements in not correct?
a) It is a robotic image guided system
b) It delivers an
extremely precise of radiation
c) It has the
capability of aching sub- millimeter accuracy
d) It can map the
spread of tumor in the body
Ans: d
98. A new optical disc
format known as the bleary disc (BD) is becoming popular. In what is it
different from the traditional DVD?
1. DVD supports
standard definition video while BD supports high definition video.
2. Compared to a DVD,
the BD format has several times more storage capacity.
3. Thickness of BD is
2.4 mm while that of DVD is 1. 2 mm.
Which of the statements
given above is/an correct?
a)1 only
b) 1 and 2 only
c) 2 and 3 only
d) 1, 2 and 3
Ans: b
99. Microbial fuel cells are considered a
source sustainable energy. Why?
1. They
use living organisms as catalysts to generate electricity from certain
substrates.
2. They
use a variety of inorganic materials a ssubrtase.
3. They
can be installed in waste water treatments planets to cleanse water and produce
electricity
Which of the following statements give
above is/are correct?
a) 1 only
b) 2 and 3 only
c) 1 and 3 only
d) 1, 2 and 3
Ans: d
100. What is difference between blue - tooth
and wi-fi devices?
a) Bluetooth uses 2.4 GH_Z radio frequency
band whereas Wi-Fi can use 2.4 GH_Z or 5 GH+_Z frequency band.
b) Bluetooth is used
for wireless local area networks (WLAN) only, whereas WI_FI is used for
wireless wide area networks (WWAN) only
c) When information is transmitted between two
devices using blue tooth technology, the devices have to be in the line of
sight of each other, but when WI_ FI technology is used the devise need not be
in the line of sight of each other.
d) The statements (a)
and (b) given above are correct in this context.
Ans: a
101. A genetically
engineered from of brinjal, known the But - brinjal, has developed. The objects
of this is?
a) To make it pest - resistant
b) To improve its tatse
and nutritive qualities
c) To make it drought -
resistant
d) To make its shelf -
life lunge
Ans: a
102. What is “Virtual
private networks”?
a) It is private computer networks of an
organization where the remote users can transmit encrypted information through
the server of the organization.
b) It is computer
networks across a public internet the provides users to their organization
network while maintaining the security of the information transmitted.
c) It is computer
network in which users can access a shared pool of computerinf resources
through a service provider
d) None of the
statements (a), (b) and (c) given above is correct decryption of virtual
private network
Ans: b
103. The surface of Alake in serve winter, but the
water at its bottom is still liquid. What is this reason?
a) Ice is a bad
conductor of heat since the surface of the lake is at the same temperature as
the air, no heat is lost
c) The density of water
is maximum at 4 Celsius
d) None of the stalemates
a, b, c, given above is correct.
Ans: a
106. Other resistance
to pests, what are the prospects for which genetically engineered plants have
been created?
1. To
enable them to withstand drought
2. To increases the nutritive value of the
produce
3. To enable them to grow and do
photosynthesis in space stations
4. To increases their shelf life
Select the correct answer using the codes
given below:
a) 1 and 2 only
b) 3 and 4 only
c) 1, 2 and 4 only
d) 1, 2, 3 and 4
Ans: c
107. Biomass gasification is considered to be
one of the sustainable solutions to the power crisis in India. In this contact
which of the following statements correct?
1) Coconut shells, groundnut shells and rice
husk can be used in biomass gasification
2) The combustible gases generated from biomass
gasification consist of hydrogen and carbon dioxide only
3) The combustible
gases generated from biomass gasification can be used for direct heat generation
but not in internal combustion engines
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: c
108. With reference to
‘steam cells’, frequently in the news
Which of the following statements is/are
correct?
1. Stem cells can be
derived from mammals only
2. Stem cells can be
used for medical therapies.
3. Stem cells can be
used for medical therapies.
Select the correct answer using the codes
given below:
a) 1 and
2
b) 2 and
3 only
c) 3 only
d) 1, 2 and 3
Ans: b
109. Which of the following is/are cited by the
scientists as evidence / evidences for the continued expansion of universe?
1. Detection of micro waves in space
2. observation of redshift phenomenon I space
3. Movement of
asteroids in space
4. Occurrence of
supernova explosions in space code.
Select the correct answer using the codes
given below:
a) 1 and
2 only
b) 2 and
c) 1, 3
and 4
d) None of the above can be cited as evidence.
Ans: a
110. Recombinant DNA
technology (Genetic Engineering allows genes to be transferred
1.
across animals to plants
2. from animals to plants
3. from microorganism answer using the codes
given below
Select enable 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
111. The efforts to
detect the existence of Higgs boson particle have become frequent in the recent
past. What is/are the importance/ importance’s of discovering this particle?
a) It will enable us to understand a sto wahy
elementary particles have mass.
b) It will enables i=us in the near future to
develop the technology to transferring matter fromone point technology to
transverisng the physical space between them.
It will enable us to
answer using the codes given fission.
Select enable 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
112. Mycorrhizal
biotechnology has been used in rehabilitating degraded sites because mycorrhiza
enables the plants to
1) Resist drought and increases absorptive
area
2) Tolerate extremes of PH
3) resist disease
infestation
Select enable 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
113. There is some concern regarding the
nanoparticles of some chemical that are used by the industry in the manufacture
of various products why?
1. They
can accumulate in the environment, and contaminate water and soil.
2. they can enter the
food chains.
3. they can trigger the production of free
radicals
Select enable the
correct answer using the codes given below:
a) 1 and 2
only
b) 3 only
c) 1 and 3 only
d) 1, 2 and 3
Ans: d
114. With reference to Agni - IV Missle, which
of the following statements is/are correct?
1. It is a surface - to- surface missle.
2. It is fuelled by
liquid propellant only
3. It can deliver
one - tonne nuclear warheads about 7500
km only
Select enable 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
115. With reference to two non - conventional
energy sources called ‘ coal bed methane’ and shale gas consider the following
‘ statements:
a) coal bed methane is the pure methane gas
extracted from coal seams, while shae gas is a mixture of propane and butane
only that can be extracted from proane and butane only that can be extracted
from fine - grained sedimentary rocks.
2. In Inida abundant
coalbed methane sorces exists, but so far no shale gas sources have been found.
Which of the statemns
given above is/are corret?
a) 1 only
b) 2 only
c) Both 1 and 2
d) Neither 1 nor 2
Ans: d
116. In addition to fingerprint
scanning, which of the following can be
used in the biometric identification of a person?
1.
Iris scanning
2.
Retinal scanning
3.
Voice recognition
Select
the correct answer using the code given below:
a) 1 only
b) 2 only
c) Both 1 and 2
d) Nethier 1 nor 2
Ans: d
117. Which of the
following pair is/are correctly matched?
Spacecraft : purpose
1. Casini
- Huygens : Orbiting the Venus and
transmitting data to the Earth
2. Messenger : Mapping and investigating the Mercury
3. Voyager
1 and 2 : Exploring the outer solar
ystem
Select
the correct answer using the code given below:
a) 1 only
b) 2 and
3 only
c) 1 and
3 only
d) 1, 2 and
3
Ans: b
118. Consider the following technique/phenomena:
1) Budding and grafting in fruit plants
2) Cytopleasmic
grafting in fruit plants
3) Gene silencing
Which of the above is/are used to create
transgenic crops?
a. 1
only
b. 2
and 3
c. 1
and 3
d. None
Ans: b
119. Consider the following statements:
1. Maize
can be used for the production of stretch.
2. Oil
extracted from maize can be feedstock for biodiesel
3. Alcoholic
beverages can be produced by using maize.
Which of the statements given above
is/are correct?
a. 1 only
b. 1 and 2 only
c.
2 and 3 only
d. 1, 2 and
3
Ans: d
121. The Genetic
Engineering Appraisal Committee is constitutes under the
a) Food Safety and Standrd Act , 2006
b) Geographical and protection0 Act, 1999
c) Envernment
(protection) Act, 1986
d) Wildlife (protection)
Act, 1972
Ans: c
122. In which of the following actives are Indian
Remote Sensing (IRS)
Satellites used?
1.
Assessment of crop productivity
2.
Locating exploration
3.
Mineral exploration
4.
Telecommunications
5.
Traffic studies
Select the correct answer using the codes
=given below
a. 1, 2 and
3 only
b. 4
and 5 only
c. 1
and 2 opnly
d. 1,
2, 3, 4 and 5
Ans: a
123. The term ‘Ind ARC” sometimes seen in the
news, is the name of:
a. An
indigenously developed radar system introduced into Inidan Defence
b. Inida’s
satellite to provide services to he countires of Inidan Ocean Rim
c. A
scientific establishment set up by Inida in Antartica region
d. Inida’s
underwater observatory to scientifically study the Artic region
Ans: d
124. With reference to bio - toilets used by the
Inidan Railways, Consider the fooliwng the following statemnts:
1. The
decompostions of human waste are the only end is intitated by a fungal inoculum
2. Ammonia
and water vapour are the only =end products in this decompotions which are released
into the atmosphere
Which of the statements given above
is/are correct?
a. 1 only
b. 2 and
c. Both 1 and 2
d. Neither 1 nor 2
Ans: d
125. With refercne to fule cells’ in which
hydrogeb - rich fuel and oxygen are used to generate electricaity, consider the
following statemnts:
1. If
pure hydrogen is used a fuel, the cell emits heat and water as by - products.
2. Fuel cells can be used for powring buildings
and not for smell devixe like laptop computers
3. Fuel
cells produce electricity in the form of
Alternating Current (AC)
Which
of the statements given above is/are correct?
a. 1 only
b. 2 and
c.
Both 1 and 2
d.
Neither 1 nor 2
Ans:
d
126. With fly reference ot fly ash’ produced by
the power plants using the coal as fuel, which of the following statemnts
is/are correct?
1.
Fly as can be used in the production of
bricks for building construaction
2.
Fly ash can be used as a replacements for
some of the portlaed cement contnets of conctrerr
3.
Fly ash is made up does silicon dioxide and calcium oxide only, and does not contain any toxic eelemnts.
Select the correct answer using the codes
=given below
a. 1, 2 and 3 only
b. 4 and
5 only
c. 1
and 2 opnly
d. 1,
2, 3, 4 and 5
Ans: a
127. With reference to the use of
nanotechnology in health sector, which of the following statemnts is/are
correct?
1. Targeted drug
delivery is made possible by nanotechnology
2. Nanotecnology can
largely contribute to gene therapy.
Select the correct answer using the codes =given below
a.
1 only
b.
2 only
c. Both 1 and 2
d. Neither 1 nor 2 and 5
Ans: c
128. In the contex Of modern scientific research,
consider the following statements about ‘Ice Cube’ a particle detector located
at South pole, which was recently in the news:
1. It
is the worls largest neutrino dectectro, encmpassinf a cubic kilometer of ice.
2. It
is a powerful telescope to serch for dark matter
3. It
is buried deep in the ice.
Which of the statements given above is
/are correct?
a. 1
only
b. 2
and 3 only
c. 1
and 3 only
d. 1,
2 and 3 only
Ans: d
129. With reference to ‘Near Field
communications (NFC) Technology’, which of the following statements is/are
correct?
1. It
is a contactless communication technology that uses electrimagnic radio fields
2. NFC
is designed for use devices which can be at a distanece of even a metre from
each other
3. NFC can use encryption when sending sensitive information.
Select the correct answer using the codes
=given below
a. 1 and 2
only
b. 3 only
c. 1 and
3 opnly
d. 1,
2, and
3
Ans: c
130. The term ‘goldilocks zone’ is oftern seen
in the news in the context of
a) the limits of habitable zone above the
surface of the Earth
b) regions inside the
Earth like planets in outer space
c) seacrch for the
Earth - like planets in outer space
d) search for
meteorites containing prectious metals
Ans: c
131. With reference to
WiFi’, recently in the news, which of the following statements is/are correct?
1.
It uses light as the medium for high- speed date transmission.
2.It
is a wireless technology and is several time faster than WIFI.
Select the correct answer using the codes
=given below
a. 1 only
b. 2only
c. both 1 and
2
d. Neither 1 nor 2
Ans: c
132. Why does the government of India promote
the use of “neem - coated Urea’ in agriculture?
a. Release
of Neem oil increases nitrogen fixation by the soil micro organsisms
b. Neem
coating slows down the rate of dissolution
of urea in the soil
c. Nitrous
oxide, which is a green house gas, is not at all reelsed into atmosphere by
crop fields
d. It
is a combaniation of a weedicide and a fertilizer for particular crops
Ans: b
133. In the context of the develoopments billon
formats. the term ‘transcriptase’, sometimes seen in eh news, refer to
a.
A range of enzymes used in genome editing
b.
The full range of mRNA molecules
expressed by and organism
c.
The description of the mechanism of gene expression
d.
A mechanism of genetic mutation taking
place in cells
Ans:
b
135. ‘Net metering is sometimes even in the news
in the context of promoting the
a. Production
and use of solar energy by the households. Consumers
b. Use
of piped natural gas in the kitchens households
c. Installation
of CNG kits in motor -cars
d. Installation
of water me=tars in urban households
Ans: a
136. Which one of the following is the best descripting
of INS Astadharini’, that was in the news recently
a. Amphibious
warfare ship
b. Nuclear
- powered submarine
c. Torpedo
lunch and recovery vessel
d. Nuclear
- powered air craft carrier
Ans: c
137. What is ‘Greases Lighting - 10 (GL -10),’
recently in the news?
a.
Electric plane tested by NASA
b.
Solar - peered two sweater aircraft designed byJapan
c.
Space observatory launched by China
d.
Reusable rocked designed by ISRO
Ans:
a
138. Which of the following statements is/are correct?
Viruses can infect
1. Bacteria
2. Fungi
3. Plants
Select correct answer rising the code
given below:
a. 1
and 2 only
b. 3
only
c. 1
and 3 only
d. 1,
2 and 3
Ans:
b
139. In which of the following regions of Indian
are shale gas resources found?
1.
Cambay =Basin
2.
Cauvery basin
3. Krishna - Godavari Basin
Select correct answer rising the code
given below:
a. 1
and 2 only
b. 3
only
c. 1
and 3 only
d. 1,
2 and 3
Ans:
d
140. India is an
important member of the International thermonuclear Experimental Reactor’. If
this experiment succeeds what is the immediate advantage for India?
a.
It can use thorium in place of uranium for
power
b.
It can attain a global role I cstaeletie
navigation
c.
It can drastically improve the efficiency
of its silicon reactors in power vernation
d.
It can build fusion reactors generation
Ans:
d