NEET Biology Structural Organisation In Animals Question Bank Muscular Tissue

  • question_answer
    Which of the following ion is necessary for the contraction of a muscles and nerve impulse transmission [CPMT 1995; RPMT 1995; BHU 2005]

    A) \[N{{a}^{+}}\]

    B) \[{{K}^{+}}\]

    C) \[C{{a}^{++}}\]and\[M{{g}^{++}}\]ions

    D) None of these

    Correct Answer: C

    Solution :

    \[C{{a}^{++}}\] is a essential element for the contraction of muscles because release of \[C{{a}^{++}}\] ions from sarcoplasmic reticulum trigger the muscle contraction process.


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