Neuron — Neural control and coordination NEET Questions 2026

Sample Questions — Neuron

Try 5 questions below from Neuron. Get all 36 in the MedicNEET app.

MCQ

What ensures unidirectional flow of impulse across synapse?

✅ Correct Answer: C

Pre-synaptic terminals have vesicles, post-synaptic membrane has receptors.

MCQ

Why is repolarisation necessary in impulse conduction?

✅ Correct Answer: D

Resting potential must be re-established to allow further impulses.

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MCQ

Q12. Which of the following best describes unmyelinated fibres?

✅ Correct Answer: A

Schwann cells enclose axon but do not form myelin sheath in unmyelinated fibres.

MCQ

Q7. Choose the CORRECT sequence during synaptic transmission:

A. Action potential → neurotransmitter release → vesicle formation → receptor binding
B. Receptor activation → neurotransmitter release → vesicle movement
C. Action potential → vesicle movement → neurotransmitter release → receptor binding
D. Receptor binding → action potential generation → vesicle fusion

✅ Correct Answer: C

This is the exact sequential process of chemical synaptic transmission.

MCQ

Why is the neuron called excitable?

✅ Correct Answer: C

Neuron membrane polarity allows it to respond to stimulus.

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