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    Question

    Which plant growth regulator is commonly used to break

    dormancy in potato tubers for quick sprouting before planting?
    A Ethylene Correct Answer Incorrect Answer
    B ABA Correct Answer Incorrect Answer
    C NAA Correct Answer Incorrect Answer
    D GAā‚ƒ Correct Answer Incorrect Answer
    E Cytokinin Correct Answer Incorrect Answer

    Solution

    Gibberellic acid (GA ā‚ƒ ) breaks dormancy in tubers by stimulating cell elongation and division. It Is applied to potato tubers before sowing to induce uniform sprouting, particularly in storage.

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