Class 11 NEET Biology Neural Control and Coordination

Question : 12 of 75

Marks: +1, -0

Which of the following statements is not correct?

[NEET OD 2019]

An action potential in an axon does not move backward because the segment behind is in a refractory phase
Depolarisation of hair cells of cochlea results in the opening of the mechanically gated potassium -ion channels.
Rods are very sensitive and contribute to daylight vision.
In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction.

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