New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In greengram, nitrogen fixation starts at the age

    of
    A 12-15 days Correct Answer Incorrect Answer
    B 18-21 days Correct Answer Incorrect Answer
    C 24-27 days Correct Answer Incorrect Answer
    D 30-30 days Correct Answer Incorrect Answer

    Solution

    In greengram (mung bean), nitrogen fixation typically starts at the age of 18-21 days. This is when the nodules on the roots of the plant begin to form and establish a symbiotic relationship with nitrogen-fixing bacteria (rhizobia).

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