NEET Biology Structural Organisation In Animals Question Bank Critical Thinking

  • question_answer
    Threshold stimulus is

    A) Stimulus of specific strength which can excite muscle or nerve fibre

    B) Capacity of muscle to contract

    C) Stimulus to indicate the contraction

    D) None of the above

    Correct Answer: A

    Solution :

    The stimulus applied to a nerve fibre or muscle must reach a certain minimum strength or threshold before it can initiate an action potential to travel along the nerve fibre or muscle.


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