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  3. 9th Class
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9th Class Science Sample Paper Science Olympiad Model Test Paper-7

  • question_answer
    Which one of the following type of muscles are exclusively present in heart and work rapidly, rhythmically and tirelessly?

    A) Voluntary muscles

    B)  Striated muscles                              

    C)  Cardiac muscles

    D)  All of these                                   

    E)  None of these

    Correct Answer: C

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