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NEET Biology Neural Control and Coordination Question Bank Self Evaluation Test - Neural Control and Co-ordination

  • question_answer
    The given diagram represents the sectional vie I of cochlea with few part labelled as 1, 2, 3 & 4. The movement of which marked label causes hair cell microvilli to bend back and forth.                                  

    A) 1                     

    B)        2

    C) 3                     

    D)        4

    Correct Answer: D

    Solution :

    [d] The label (4) represents basilar membrane. The movement of the basilar membrane is most important to hearing. Once the hair cell microvilli bend, the hair cells depolarize, thus inducing action potentials in the cochlear nerve.


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