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  5. Food: Where Does It Come From?

6th Class Science Food: Where Does It Come From? Question Bank Food Production and Management

  • question_answer
    Which of these is fixed in root nodules of legumes by rhizobium bacteria?

    A)  Magnesium                      

    B)                         Nitrogen                            

    C)                         Chlorine                             

    D)                         Manganese

    Correct Answer: B

    Solution :

    In the given nitrogen cycle X represents nitrates.


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