Science & Technology PYQs

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1. Prelims 1996Q30Health & Diseases

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

   aAIDSbTuberculosiscMalariadEbola
2. Prelims 1996Q88Space Technology

   Which one of the following satellites is to be launched from India in 1996?

   aIRS-P2bIRS-P3cIRS-ENdIRS-ID
3. Prelims 1996Q90Defence & Nuclear Technology

   Which one of the following is a modern tank?

   aBhimbAkashcArjundPrithvi
4. Prelims 1996Q98Biology & Human Body

   Which one of the following is a modified stem?

   aCarrotbSweet potatocCoconutdPotato
5. Prelims 1996Q99Biology & Human Body

   Fat present below the skin surface in our body acts as a barrier against

   aloss of heat from the bodybloss of essential body fluidscloss of salts from the bodydentry of harmful micro-organisms from the environment
6. Prelims 1996Q100Health & Diseases

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

   I.Researchers using carbon-14 isotope

   II.X-ray technician

   III.Coal miner

   IV.Dyer and painter

   Select the correct answer using the codes given below:

   aII alonebI, II and IIIcI, II and IVdI, III and IV
7. Prelims 1996Q101Biology & Human Body

   Which one of the following is NOT an essential micronutrient for plants?

   aBoronbZinccSodiumdCopper
8. Prelims 1996Q102Inventions & Scientists

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

   aOrgan transplantbBypass surgerycTest-tube babydPlastic surgery
9. Prelims 1996Q103Health & Diseases

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

   aScurvybRicketscXerophthalmiadPellagra
10. Prelims 1996Q104Biology & Human Body

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

    aPotassium, Manganese, Molybdenum & CalciumbPotassium, Molybdenum, Copper & CalciumcPotassium, Sodium, Magnesium & CalciumdSodium, Magnesium, Copper & Manganese
11. Prelims 1996Q105Biology & Human Body

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

    List I

    I.Vitamin

    II.Enzyme

    III.Hormone

    IV.Protein

    List II

    A.Pepsin

    B.Carotene

    C.Keratin

    D.Progesterone

    aI – A, II – B, III – C, IV – DbI – B, II – A, III – D, IV – CcI – B, II – A, III – C, IV – DdI – A, II – B, III – D, IV – C
12. Prelims 1996Q108Biology & Human Body

    It is possible to produce seedless tomato fruits by

    aapplying trace elements in tomato fieldsbspraying mineral solution on plantscspraying hormones on flowersdapplying fertilisers containing radioactive elements
13. Prelims 1996Q109Health & Diseases

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

    I.Higher sugar level in blood

    II.Lower sugar level in blood

    III.Lower insulin level in blood

    IV.Higher insulin level in blood

    Select the correct answer using the codes given below:

    aI and IVbI and IIcII and IIIdI and III
14. Prelims 1996Q110Health & Diseases

    Consider the following statements: AIDS is transmitted —

    I.By sexual intercourse.

    II.By blood transfusion.

    III.By mosquitoes and other blood-sucking insects.

    IV.Across the placenta.

    Of these statements —

    aI, II and III are correctbI, II and IV are correctcI, III and IV are correctdI and III are correct
15. Prelims 1996Q111Health & Diseases

    Which of the following would lead to ‘malnutrition’?

    I.Overnutrition

    II.Undernutrition

    III.Imbalanced nutrition

    Select the correct answer using the codes given below:

    aII alonebII and IIIcI and IIIdI, II and III
16. Prelims 1996Q112Health & Diseases

    People drinking water from a shallow hand pump are likely to suffer from all of the following diseases, except

    aCholerabTyphoidcJaundicedFluorosis
17. Prelims 1996Q113Health & Diseases

    Besides proteins and carbohydrates, other elements of nutritional value found in milk include

    acalcium, potassium and ironbcalcium and potassiumcpotassium and irondcalcium and iron
18. Prelims 1996Q115Physics

    When an air bubble at the bottom of a lake rises to the top, it will

    aincrease in sizebdecrease in sizecmaintain its sizedflatten into a disk-like shape
19. Prelims 1996Q116Physics

    When a mirror is rotated by an angle of θ, the reflected ray will rotate by

    a0°bθ / 2cθd2θ
20. Prelims 1996Q117Physics

    A truck, a car and a motor cycle have equal kinetic energies. If equal stopping forces are applied and they stop after travelling a distance of x, y and z respectively, then

    ax > y > zbx < y < zcx = y = zdx = 4y = 8z