Science & Technology PYQs

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1. Prelims 2015Q73Inventions & Scientists

   The term 'IndARC', sometimes seen in the news, is the name of

   aan indigenously developed radar system inducted into Indian DefencebIndia's satellite to provide services to the countries of Indian Ocean Rimca scientific establishment set up by India in Antarctic regiondIndia's underwater observatory to scientifically study the Arctic region
2. Prelims 2015Q92Health & Diseases

   H1N1 virus is sometimes mentioned in the news with reference to which one of the following diseases?

   aAIDSbBird flucDenguedSwine flu
3. Prelims 2014Q12Health & Diseases

   Consider the following diseases :

   1.Diphtheria

   2.Chickenpox

   3.Smallpox

   Which of the above diseases has/have been eradicated in India?

   a1 and 2 onlyb3 onlyc1, 2 and 3dNone
4. Prelims 2014Q13Biology & Human Body

   Which of the following phenomena might have influenced the evolution of organisms?

   1.Continental drift

   2.Glacial cycles

   Select the correct answer using the code given below.

   a1 onlyb2 onlycBoth 1 and 2dNeither 1 nor 2
5. Prelims 2014Q17Biology & Human Body

   Consider the following :

   1.Bats

   2.Bears

   3.Rodents The phenomenon of hibernation can be observed in which of the above kinds of animals?

   a1 and 2 onlyb2 onlyc1, 2 and 3dHibernation cannot be observed in any of the above
6. Prelims 2014Q37Defence & Nuclear Technology

   With reference to Agni–IV Missile, which of the following statements is/are correct?

   1.It is a surface-to-surface missile.

   2.It is fuelled by liquid propellant only.

   3.It can deliver one-tonne nuclear warheads about 7500 km away.

   Select the correct answer using the code given below.

   a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
7. Prelims 2014Q65Biology & Human Body

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

   aPotential energy is released to form free energybFree energy is converted into potential energy and storedcFood is oxidized to release carbon dioxide and waterdOxygen is taken, and carbon dioxide and water vapour are given out
8. Prelims 2014Q66IT & Communication

   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.

   a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
9. Prelims 2014Q67Biology & Human Body

   Which of the following statements 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 code given below.

   a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
10. Prelims 2014Q68Space Technology

    Which of the following pairs is/are correctly matched?

    Spacecraft : Purpose

    1.Cassini-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 system

    Select the correct answer using the code given below.

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
11. Prelims 2014Q70Chemistry

    Which of the following is/are the example/examples of chemical change?

    1.Crystallization of sodium chloride

    2.Melting of ice

    3.Souring of milk

    Select the correct answer using the code given below.

    a1 and 2 onlyb3 onlyc1, 2 and 3dNone
12. Prelims 2014Q72BiotechnologyAnswer disputed

    Consider the following techniques/phenomena :

    1.Budding and grafting in fruit plants

    2.Cytoplasmic male sterility

    3.Gene silencing

    Which of the above is/are used to create transgenic crops?

    a1 onlyb2 and 3c1 and 3dNone
13. Prelims 2014Q74Biology & Human Body

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

    aCrabbMitecScorpiondSpider
14. Prelims 2014Q97Health & Diseases

    Consider the following pairs :

    Vitamin : Deficiency disease

    1.Vitamin C : Scurvy

    2.Vitamin D : Rickets

    3.Vitamin E : Night blindness

    Which of the pairs given above is/are correctly matched?

    a1 and 2 onlyb3 onlyc1, 2 and 3dNone
15. Prelims 2013Q5Biotechnology

    Recombinant DNA technology (Genetic Engineering) allows genes to be transferred

    1.Across different species of plants

    2.From animals to plants

    3.From microorganisms to higher organisms

    Select the correct answer using the codes given below.

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
16. Prelims 2013Q10Biology & Human Body

    Consider the following animals:

    1.Sea cow

    2.Sea horse

    3.Sea lion

    Which of the above is/are mammal/mammals?

    a1 onlyb1 and 3 onlyc2 and 3 onlyd1, 2 and 3
17. Prelims 2013Q27Health & Diseases

    Improper handling and storage of cereal grains and oilseeds result in the production of toxins known as aflatoxins which are not generally destroyed by normal cooking process. Aflatoxins are produced by

    abacteriabprotozoacmouldsdviruses
18. Prelims 2013Q46Health & Diseases

    Which of the following diseases can be transmitted from one person to another through tattooing?

    1.Chikungunya

    2.Hepatitis B

    3.HIV-AIDS

    Select the correct answer using the codes given below.

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
19. Prelims 2013Q50Biology & Human Body

    Consider the following minerals:

    1.Calcium

    2.Iron

    3.Sodium

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

    a1 onlyb2 and 3 onlyc1 and 3 onlyd1, 2 and 3
20. Prelims 2013Q86Biology & Human Body

    Fruits stored in a cold chamber exhibit longer storage life because

    aexposure to sunlight is preventedbconcentration of carbon dioxide in the environment is increasedcrate of respiration is decreaseddthere is an increase in humidity