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

7th Class Science Sample Paper Science Olympiad Model Test Paper-2

  • question_answer
    When we breathe in:

    A) the diaphragm contracts and moves downwards

    B) the diaphragm relaxes and moves upwards

    C) the diaphragm contracts and moves upwards

    D) the diaphragm relaxes and moves downwards

    E) None of these

    Correct Answer: A

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