Zoology-(general)
NEET Zoology (general) Assertion Reason Question
Type: Assertion Reason-assertion-Medium-Class 11
Assertion (A): The influx of Na+ ions at the site of a stimulus on a neuron leads to depolarization. | Reason (R): Depolarization occurs because the outer surface of the membrane becomes positively charged.
A
Both A and R are true and R is the correct explanation of A.
B
Both A and R are true but R is not the correct explanation of A.
C
A is true but R is false.
D
A is false.
Correct Answer
Option C
Detailed Explanation
Depolarization occurs when the outer surface of the membrane becomes negatively charged due to the influx of Na+ ions, not positively charged.
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