2. Sample Papers
  3. 9th Class
  4. Science

9th Class Science Sample Paper Science Olympiad Model Test Paper-16

  • question_answer
    Exoskeletons of the animals are formed from the:

    A) Carbohydrates

    B) Carbon dioxide

    C) Carbon element

    D) Carbonate salt

    E) None of these

    Correct Answer: D

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