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    Question

    In legume crops, symbiotic nitrogen fixation is

    regulated by the quantity of trace element in soil:
    A Zinc Correct Answer Incorrect Answer
    B Boron Correct Answer Incorrect Answer
    C Molybdenum Correct Answer Incorrect Answer
    D Manganese Correct Answer Incorrect Answer

    Solution

    Molybdenum is an essential trace element required by leguminous plants for the proper functioning of the enzyme nitrogenase, which is responsible for converting atmospheric nitrogen into a form that plants can use.

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