2. Sample Papers
  3. 10th Class
  4. Science

10th Class Science Sample Paper Science Olympiad Model Test Paper-9

  • question_answer
    Which structure out of P, Q, R and S marked in the given diagram of the respiratory system should be labelled as trachea?

    A) P

    B) Q

    C) R

    D) S

    E) None of these

    Correct Answer: C

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