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7th Class Science Sample Paper Science Olympiad Model Test Paper-20

  • question_answer
    Which one of the following statements is correct?

    A) The process of respiration does not occur in roots of plants.

    B) In roots of plants mostly anaerobic respiration takes place.

    C) Roots of plants also need air for respiration to take place.

    D) The process of respiration occurs in roots of plants only in night.

    E) None of these

    Correct Answer: C

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