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    Question

    _______is the most widely used chemical for promoting

    seed germination.
    A Potassium nitrate Correct Answer Incorrect Answer
    B Thiourea Correct Answer Incorrect Answer
    C Scopoletin Correct Answer Incorrect Answer
    D IAA Correct Answer Incorrect Answer

    Solution

    Potassium nitrate is commonly used to promote seed germination as it is a good source of both potassium and nitrate which can break seed dormancy.

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