Zoology-(general)

NEET Zoology (general) Assertion Reason Question

Type: Assertion Reason-assertion-Hard-Class 11

Assertion (A): The influx of Na+ ions leads to the depolarization of the neuron membrane. | Reason (R): Depolarization occurs because the inner side of the membrane becomes negatively charged.

A

Both A and R are true, and R explains A.

B

Both A and R are true, but R does not explain A.

C

A is true, but R is false.

D

A is false.

Correct Answer

Option C

Detailed Explanation

The assertion is true as the influx of Na+ causes depolarization. However, the reason is false because depolarization results from the inner side becoming positively charged, not negatively.

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