NEET Sample Paper NEET Sample Test Paper-39

  • question_answer 121) Which one of the following mineral elements plays an important role in biological nitrogen fixation?

    A)  Copper      

    B)  Manganese

    C)  Zinc        

    D)  Molybdenum

    Correct Answer: D

    Solution :

    Molybdenum is a component of nitrogenase and nitrate reductase involved during\[{{N}_{2}}\]fixation. Copper is essential for photosynthesis and respiration. Zinc is involved in synthesis of auxin. Manganese is activator of enzymes involved in nitrogen metabolism.

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