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    Question

    Which of the following is not an

    auxin:
    A Indole acetic acid Correct Answer Incorrect Answer
    B 2,4-D Correct Answer Incorrect Answer
    C Kinetin Correct Answer Incorrect Answer
    D Naphthalene acetic acid Correct Answer Incorrect Answer

    Solution

    Kinetin is not an auxin. It is a different class of plant hormone known as a cytokinin.

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