Question

    Plants absorb dissolved nitrates from soil and convert

    them into
    A Urea Correct Answer Incorrect Answer
    B Free Nitrogen Correct Answer Incorrect Answer
    C Ammonia Correct Answer Incorrect Answer
    D Proteins Correct Answer Incorrect Answer

    Solution

    The plant cells absorb nitrates from the soil and convert them into ammonia which ultimately reduced to ammonium ions (NH4+). These ammonium ions are then combined with organic compounds to form amino acids such as glutamine i.e., free nitrogen. This process of conversion is known as nitrogen fixation.

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