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

  • question_answer
    Which one among the following chemical is used for causing defoliation of forest trees [CBSE PMT 1998]

    A) Amo-1618

    B) Phosphon-D

    C) Maleic hydrazide

    D) 2, 4-D

    Correct Answer: D

    Solution :

    2, 4-Dichlorophenoxyacetic acid is used as a defoliant for broad-leaved plants.


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