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NEET Biology Microbes in Human Welfare Question Bank Self Evaluation Test - Microbes in Human Welfare

  • question_answer
    Azolla enriches rice fields with nitrogen due to its association with:

    A) Anabaena  

    B)                    Nostoc

    C) Rhizobium      

    D)                    Frankia

    Correct Answer: A

    Solution :

    [a] Azolla   pinnata   contains   symbiont Anabaena in its leaf cavities.


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