Question

    Which hormone is responsible for controlling phototropic

    movement in plants?
    A Auxin Correct Answer Incorrect Answer
    B Gibberellin Correct Answer Incorrect Answer
    C Abscisic Acid Correct Answer Incorrect Answer
    D Salicylic Acid Correct Answer Incorrect Answer

    Solution

    Auxin is a plant hormone that plays a major role in phototropism, the growth of plants in response to light. It promotes cell elongation on the side of the plant that is away from the light, causing the plant to bend towards the light.

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