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  3. 7th Class
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7th Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    Which one of the following statements is incorrect?

    A) Sandy soil contains very little humus

    B) Fertility of sandy soil can be increased by adding humus to it

    C) Clayey soil is used to make bricks, toys and statues

    D) Clayey soil is more fertile than loamy soil

    E) None of these

    Correct Answer: D

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