NEET Biology question
A neuron is said to be in resting state when, I. It is not conducting any impulse. II. Plasma membrane is electrically positive outside and negative inside. III. The nerve fibre is stimulated mechanically or electrically. IV. Plasma membrane is negative outside and positive inside. The correct option is
Answer: (D)
Solution
A resting neuron is, by definition, one that is not conducting any impulse (I, true) and whose plasma membrane shows the normal resting polarity, positive outside and negative inside (II, true);
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