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Exam Year: 1999

  • Lathyrism is caused by excessive consumption of

    (a)

    Kesari dal

    (b)

    Mustard oil

    (c)

    Polished rice

    (d)

    Mushrooms

    Correct Answer:

  • Barium in a suitable form is 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 colour and this helps the stomach to appear clearly in contrast with other regions in the picture

    Correct Answer:

    (c)

  • Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of

    (a)

    total internal reflection

    (b)

    interference

    (c)

    diffraction

    (d)

    polarisation

    Correct Answer:

  • Consider the following statements : I. If a person looks at a coin which is in a bucket of water, the coin will appear to be closer than it really is. II. If a person under water looks at a coin above the water surface, the coin will appear to be at a higher level than it really it. Which of the above statements is/are correct ?

    (a)

    I and II

    (b)

    I alone

    (c)

    II alone

    (d)

    Neither I nor II

    Correct Answer:

    (a)

  • For which one of the following is capillarity not the only reason ?

    (a)

    Blotting of ink

    (b)

    Rising of underground water

    (c)

    Spread of water drop on a cotton cloth

    (d)

    Rising of water from the roots of a plant to its foliage

    Correct Answer:

  • Consider the following statements regarding a motor car battery : I. The voltage is usually 12 V. II. Electrolyte used is hydrochloric acid. III. Electrodes are lead and copper. IV. Capacity is expressed in ampere-hour. Which of the above statements are correct ?

    (a)

    I and II

    (b)

    II and III

    (c)

    III and IV

    (d)

    I and IV

    Correct Answer:

  • Which one of the following genetic diseases is sex-linked ?

    (a)

    Royal haemophilia

    (b)

    Tay-Sachs disease

    (c)

    Cystic fibrosis

    (d)

    Hypertension

    Correct Answer:

  • Match List I (Quantity) with List II (Units) and select the correct answer using the codes given below the Lists

    (a)

    I-B, II-A, III-C, IV-D

    (b)

    I-A, II-B, III-D, IV-C

    (c)

    I-A, II-B, III-C, IV-D

    (d)

    I-B, II-A, III-D, IV-C

    Correct Answer:

  • Indian farmers are unhappy over the introduction of “Terminator Seed Technology” because the seeds produced by this technology are expected to

    (a)

    show poor germination

    (b)

    form low-yielding plants despite the high quality

    (c)

    give rise to sexually sterile plants

    (d)

    give rise to plants incapable of forming viable seeds

    Correct Answer:

  • Which one of the following scholars suggests the earth’s origin from gases and dust particles ?

    (a)

    James Jeans

    (b)

    H. Alfven

    (c)

    F. Hoyle

    (d)

    O. Schmidt

    Correct Answer: