NEET Sample Paper NEET Sample Test Paper-17

  • question_answer
    Which statement is correct for muscle contraction?

    A)  Length of H-line decreases

    B)  Length of A-band remains constant

    C)  Length of I-band increases

    D)  Length of two Z-lines increases

    Correct Answer: B

    Solution :

    H-line becomes narrow during contraction while I- band shortens during the contraction and the Z-line is not affected by contraction. Hence, the correct option is (b).


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