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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 is a macronutrient of plant?

    A) Copper                         

    B) Iron

    C) Chlorine                        

    D) Magnesium  

    Correct Answer: D

    Solution :

    Magnesium is a macronutrient.


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