NEET Biology Plant Growth and Development / पौधे की वृद्धि और विकास Question Bank Auxin

  • question_answer
    Leaf fall occurs on abscission layer is formed when the content of [CPMT 1981, 84; AIIMS 1990; MP PMT 1996]

    A) Auxin increases

    B) Auxin decreases

    C) Abscisic acid decreases

    D) Gibberellic acid decreases

    Correct Answer: B

    Solution :

    Auxin inhibits abscission of leaves and fruits. Abscission layer is produced when the auxin content falls below a minimum.


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