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Neural Control and Coordination — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYNeural Control and Coordination1 Mark
MCQ
When a neuron is in resting state $i.e.$ not conducting any impulse, the axonal membrane is:
  • ✓
    Comparatively more permeable to $K^+$ ions and nearly impermeable to $Na^+$ ions.
  • B
    Comparatively more permeable to $Na^+$ ions and nearly impermeable to $K^+$ ions.
  • C
    Equally permeable to both $Na^+$ and $K^+$ ions.
  • D
    Impermeable to both $Na^+$ and $K^+$ ions.
✓

Answer

Correct option: A.
Comparatively more permeable to $K^+$ ions and nearly impermeable to $Na^+$ ions.

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