2. Sample Papers
  3. 8th Class
  4. Science

8th Class Science Sample Paper Science Olympiad Model Test Paper-5

  • question_answer
    Which one of the following can change the curvature of eye lens and makes it thin or thick according to the need of the eye?

    A) Cornea

    B) Iris

    C) Optic nerve

    D) Ciliary muscles

    E) None of these

    Correct Answer: D

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