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

10th Class Science Sample Paper Science Olympiad Model Test Paper-15

  • question_answer
    The epiglottis guards the opening of:

    A) Oesophagus

    B) Trachea

    C) Larynx

    D) Bronchioles

    E) None of these

    Correct Answer: B

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