7th Class Science Nutrition in Plants Question Bank Nutrition in Plants

  • question_answer
    What is the role of the bacteria in leguminous plants?

    A)  Convert oxides of nitrogen into soil nitrates.

    B)  Convert atmospheric nitrogen gas into soil nitrates.

    C)  Convert soil nitrates into gaseous nitrogen.

    D)  Convert plant proteins into ammonia.

    Correct Answer: B

    Solution :

    Rhizobium Bacteria having symbiotic association with plants, fix 60% of nitrogen gas into soil nitrates.

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