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    Question

    Which of the following hormones is used as a herbicide?

    A Cytokinin Correct Answer Incorrect Answer
    B Abscisic acid Correct Answer Incorrect Answer
    C 2, 4 - D Correct Answer Incorrect Answer
    D Copper sulphate Correct Answer Incorrect Answer

    Solution

    The 2,4-dichlorophenoxyacetic acid (2,4-D) is a synthetic auxin that has been historically used as one of the most common herbicides to control broadleaf weeds. 

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