NEET UG BIOLOGY MCQ: NEURAL CONTROL AND COORDINATION

1 Easy

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Understanding +4 | -1

Assertion: In a myelinated nerve fibre the impulse jumps from one node of Ranvier to the other
Reason: Exchange of ions takes place only at node of Ranvier

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Correct option: A

If both the assertion and the reason are true and the reason is a correct explanation of the assertion

Option A (If both the assertion and the reason are true and the reason is a correct explanation of the assertion) is correct because in myelinated nerve fibers, the impulse jumps from one node of Ranvier to another due to ion exchange occurring only at the nodes.

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