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NEET UG BIOLOGY MCQ: NEURAL CONTROL AND COORDINATION
1
Medium
1 of 1
Understanding
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True about electrical synapses
I. pre and postsynaptic neurons are in very close proximity
II. pre and postsynaptic neurons are separated by synaptic cleft
III. impulse transmission is very fast
IV. electrical synapses are common in our system
Select the correct option
I. pre and postsynaptic neurons are in very close proximity
II. pre and postsynaptic neurons are separated by synaptic cleft
III. impulse transmission is very fast
IV. electrical synapses are common in our system
Select the correct option
View answer and explanation
Correct option: B
I and III
The correct answer is B (I and III) because electrical synapses have pre and postsynaptic neurons in close proximity and transmit impulses very fast.
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II. It is important in overall activation and arousal
III. It is concerned with involuntary movements
IV. It is the seat of learning, memory, reasoning and creative ability Which of the following neuron is also called excitor neuron?