Zoology-(general)
NEET Zoology (general) MCQ Question
Type: MCQ-conceptual-Medium-Class 11
Which of the following statements about neurons and their function are correct?
A
Dendrites transmit impulses towards the cell body, while axons transmit impulses away from the cell body.
B
All neurons have the same structure with identical axons and dendrites.
C
Action potentials are generated by the influx of Na+ ions during depolarization.
D
Myelinated axons conduct impulses slower than unmyelinated axons.
Correct Answer
Option A
Detailed Explanation
Dendrites are responsible for transmitting impulses towards the cell body, while axons carry impulses away. Action potentials are indeed generated by the influx of Na+ ions. Myelinated axons actually conduct impulses faster than unmyelinated ones, making options B and D incorrect.
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