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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-3

  • question_answer
    Which one of the following criteria is kept in mind while selecting crops for mixed cropping?

    A) Nutrients requirements of the crops

    B) Water requirements of the crops

    C) Duration of crops

    D) All of these

    E) None of these

    Correct Answer: D

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