9th Class Science Natural resources Question Bank Natural Resources

  • question_answer
    What is the role of the bacteria in Root nodules of legumes

    A) To convert oxides of nitrogen into soil nitrates.

    B) To convert atmospheric nitrogen gas into soil nitrates.  

    C) To convert soil nitrates into gaseous nitrogen.

    D) To convert plant proteins into ammonia.

    Correct Answer: B

    Solution :

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


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