STANDARDZoology-Neural Control and Coordination
STANDARD Zoology Nerve Impulse MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Nerve impulse initiates with the movements of or Neuron becomes an electrically charged cell by the diffusion of
A
K⁺
B
Mg²⁺
C
Ca²⁺
D
Na⁺
Correct Answer
Option D
Detailed Explanation
Nerve impulse is initiated by the movement of Na⁺ from Na⁺/K⁺ pump, making the membrane more positive inside the plasma membrane than outside and thus generating an action potential at +0 – +30mv.
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