AIPMT PRELIMS2000Zoology-Nervous System
AIPMT PRELIMS 2000 Zoology Nerve Impulse MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Depolarization of axolema during nerve conduction takes place because of :
A
Equal amount of Na⁺ & K⁺ move out across axolema
B
Na⁺ move inside and K⁺ move more out side
C
More Na⁺ outside
D
None
Correct Answer
Option B
Detailed Explanation
During depolarization, sodium ions (Na⁺) move into the neuron, causing the inside to become more positive compared to the outside.
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