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Name the plant hormones responsible for ...

Name the plant hormones responsible for the following
(a) elongation of cells (b) growth of stem
(c ) promotion of cell division (d) falling of senescent leaves

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(a) Auxin-elongation of cells (b) Gibberellin-growth of stem
(c) Cytokinin-promotion of cell division (d) Abscisic acid-falling of senescent leaves
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Knowledge Check

  • Name of the plant hormones which are responsible for the following effects:

    A
    falling of leaves
    B
    opening of stomata
    C
    bending to stem towards light
    D
    closing of stomata

  • The plant hormone essential for cell division is

    A
    abscisic acid
    B
    auxin
    C
    gibberellin
    D
    cytokinin

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