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

7th Class Science Sample Paper Science Olympiad Model Test Paper-6

  • question_answer
    Through which one of the following parts oxygen from air diffuse into blood vessels?

    A) Larynx

    B) Pharynx

    C) Alveoli

    D) Bronchus

    E) None of these

    Correct Answer: C

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