NEET2022Zoology-Neural Control and Coordination

NEET 2022 Zoology Synapses MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Select the incorrect statement regarding synapses:

(A) Chemical synapses use neurotransmitters

(B) Impulse transmission across a chemical synapse is always faster than that across an electrical synapse.

(C) The membranes of presynaptic and postsynaptic neurons are in close proximity in an electrical synapse.

(D) Electrical current can flow directly from one neuron into the other across the electrical synapse.

A

Chemical synapses use neurotransmitters

B

Impulse transmission across a chemical synapse is always faster than that across an electrical synapse.

C

The membranes of presynaptic and postsynaptic neurons are in close proximity in an electrical synapse.

D

Electrical current can flow directly from one neuron into the other across the electrical synapse.

Correct Answer

Option B

Detailed Explanation

Impulse transmission is faster in electrical synapses than in chemical synapses, as it involves direct current flow.

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