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7th Class Science Soil Question Bank Soil

  • question_answer
    Which of these is a part of soil that is most helpful to the growth of plants?

    A)  Humus

    B)  Sand

    C)  Clay

    D)  Small porous rocks

    Correct Answer: A

    Solution :

    Humus is formed as a result of decomposition of dead and decaying organic matter. Humus is most helpful for the growth of plants.


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