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

  • question_answer
    2, 4-D is a [MP PMT 1986, 87; CPMT 1996; BHU 2002; Manipal 2005]

    A) Insecticide

    B) Weedicide

    C) Nematicide

    D) Rodenticide

    Correct Answer: B

    Solution :

    2, 4-D is a selective weedkiller. It is highly toxic to broad-leaved plants. It increases carbohydrate metabolism to such an extent that the plants burn themselves to death in dicots.


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