Question

    Which plant hormone is unique because it exists in a

    gaseous form and regulates fruit ripening and senescence?
    A Cytokinin Correct Answer Incorrect Answer
    B Gibberellin Correct Answer Incorrect Answer
    C Ethylene Correct Answer Incorrect Answer
    D Auxin Correct Answer Incorrect Answer

    Solution

    Ethylene is the only natural plant hormone that exists in gaseous form. It is involved in the ripening of fruits, flower senescence, and leaf abscission.

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