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NEET Biology Digestion and Absorption Question Bank Minerals

  • question_answer
    Which one of the following mineral elements plays an important role in biological nitrogen fixation? (CBSE 2003; AIEEE 2004; RPMT 2007; DUMET 2009)

    A) Zinc                

    B) Copper

    C) Manganese                    

    D) Molybdenum

    Correct Answer: D

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