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Exam Year: 2000

  • Phytotron is a facility to

    (a)

    grow plants under disease-free conditions

    (b)

    conserve endangered species of plants

    (c)

    grow plants under controlled conditions

    (d)

    induce mutations

    Correct Answer:

  • Match List I (Endocrine glands) with List II (Hormones secreted) and select the correct answer using the codes given below the Lists

    (a)

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

    (b)

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

    (c)

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

    (d)

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

    Correct Answer:

  • The blood glucose level is commonly expressed as

    (a)

    mm of Hg

    (b)

    milligram per decilitre

    (c)

    parts per million

    (d)

    grams per litre

    Correct Answer:

    (b)

  • Match List I (Diseases) with List II (Types of disease) and select the correct answer using the codes given below the Lists

    (a)

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

    (b)

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

    (c)

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

    (d)

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

    Correct Answer:

  • At which stage in its life-cycle does the silkworm yield the fibre of commerce?

    (a)

    Egg

    (b)

    Larva

    (c)

    Pupa

    (d)

    Imago

    Correct Answer:

  • Which one of the following organisms can serve as a biofertiliser for rice crop?

    (a)

    Blue-green algae

    (b)

    Rhizobium sp

    (c)

    Mycorrhizal fungi

    (d)

    Azotobacter sp

    Correct Answer:

  • Assertion (A) : Large cold storage plants use ammonia as refrigerant while domestic refrigerators use chlorofluorocarbons. Reason (R) : Ammonia can be liquified at ambient temperatures at low pressures.

    (a)

    Both A and R are true, and R is the correct explanation of A

    (b)

    Both A and R are 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

    Correct Answer:

  • A small pouch containing silica gel is often found in bottles of medicine in tablet or powder form because silica gel

    (a)

    kills bacteria

    (b)

    kills germs and spores

    (c)

    absorbs moisture

    (d)

    absorbs all gases present inside the bottle

    Correct Answer:

  • Match List I (Industrial processes) with List II (Industry with which associated) and select the correct answer using the codes given below the Lists

    (a)

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

    (b)

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

    (c)

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

    (d)

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

    Correct Answer:

  • Aluminium surfaces are often ‘anodized’. This means the deposition of a layer of

    (a)

    chromium oxide

    (b)

    aluminium oxide

    (c)

    nickel oxide

    (d)

    zinc oxide

    Correct Answer:

    (b)