2. Sample Papers
  3. 7th Class
  4. Science

7th Class Science Sample Paper Science Olympiad Model Test Paper-18

  • question_answer
    The respiration in roots of a green plant occurs by the exchange of gases through:

    A) Root hairs

    B) Chlorophyll

    C) Spiracles

    D) Stomata

    E) None of these

    Correct Answer: A

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