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10th Standard English Medium Science Subject Plant and Animal Hormones Book Back 1 Mark Questions with Solution Part - I Question Bank Software Jun-11 , 2021

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10th Standard English Medium Science Subject Plant and Animal Hormones Book Back 1 Mark Questions with Solution Part - I

10th Standard English Medium Science Subject Plant and Animal Hormones Book Back 1 Mark Questions with Solution Part - I

10th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5

  1. Gibberellins cause:

    (a)

    Shortening of genetically tall plants

    (b)

    Elongation of dwarf plants

    (c)

    Promotion of rooting

    (d)

    Yellowing of young leaves

  2. Which one of the following hormones is naturally not found in plants.

    (a)

    2, 4-D

    (b)

    GA3

    (c)

    Gibberellin

    (d)

    IAA

  3. To increase the sugar production in sugarcanes they are sprayed with _______

    (a)

    Auxin

    (b)

    Cytokinin

    (c)

    Gibberellins

    (d)

    Ethylene

  4. Identify the exocrine gland

    (a)

    Pituitary gland

    (b)

    Adrenal gland

    (c)

    Salivary gland

    (d)

    Thyroid gland

  5. Which one is referred as “Master Gland”?

    (a)

    Pineal gland

    (b)

    Pituitary gland

    (c)

    Thyroid gland

    (d)

    Adrenal gland

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