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9th Class Science Sample Paper Science Olympiad Model Test Paper-19

  • question_answer
    Which of the following is not a characteristic of the class amphebia?

    A) They have two pair of limbs.

    B) Respiration takes place either through gills or lungs

    C) Heart is three chambered

    D) Their skin is covered with scales not having any glands

    E) None of these

    Correct Answer: D

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