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NEET Sample Paper NEET Sample Test Paper-79

  • question_answer
    The enzyme responsible for the reduction of molecular nitrogen to the level of ammonia in the leguminous root nodules is

    A)  nitrate reductase

    B)  nitrite oxydase        

    C)  nitrogenase                   

    D)  nitrate oxydase

    Correct Answer: C

    Solution :

    A pigment leghaemoglobin is present in the root nodules, which is a oxygen scavanger, i.e., it protects the enzyme nitrogenase from oxygen. Nitrogenase enzyme complex consists of two components, i.e., the Fe protein and Mo ? Fe protein.


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