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causes cell elogation,apical dominance a...

______ causes cell elogation,apical dominance and prevent abscission.

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Auxin
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Knowledge Check

  • Identify the wrong statement regarding the physiological effects of Auxin. (i) Auxin prevents abscission (ii) Auxin inhibits respiration (iii) Auxin promotes cell elongation (iv) Auxin breaks seed dormancy

    A
    (i) only
    B
    (ii) only
    C
    (iii) only
    D
    (i), (ii) and (iv)

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    Assertion (A) : Auxins help in apical dominance. Reason (R) : They induce elongation of stems.

    The hormone which has positive effect on apical dominance is

    The hormone which has negative effect on apical dominance is………….

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