Neural Control and CoordinationNerve impulse, reflex action and photoreceptors 1 2019 Odisha Medium Which of the following statements is not correct? A An action potential in an axon does not move backward because the segment behind is in a refractory phase B Depolarisation of hair cells of cochlea results in the opening of the mechanically gated potassium-ion channels. C Rods are very sensitive and contribute to daylight vision. D In the knee-jerk reflex, stimulus is the stretching of muscle and response is its contraction. Check Answer
