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  3. 9th Class
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  5. Improvement in food resources

9th Class Science Improvement in food resources Question Bank Improvement in Food Resources

  • question_answer
    Which of these plants contains nitrogen fixing bacteria?

    A) Gram                             

    B) Wheat

    C) Mustard                        

    D) Cotton

    Correct Answer: A

    Solution :

    Grams are legumes. Legumes contain root nodules. Rhizobium fixes atmospheric nitrogen in the root nodules of legumes.


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