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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 crops does not require nitrogen fertilizer?

    A) Corn                

    B)        Soyabean  

    C) Grass               

    D)        Oats

    Correct Answer: B

    Solution :

    Soya bean is a legume. Leguminous plants contains root nodules. Nitrogen fixing bacteria rhizobium is present in the root nodules of leguminous plants.


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