Solved UPSC CDS/OTA Question
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Q · Nervous Systemmedium · 45s
Which part of the neuron contains neurotransmitter vesicles?
TopicNervous System
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.33
Test Duration30 min
Step-by-Step Solution
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Axon terminals contain synaptic vesicles filled with neurotransmitters; upon action potential arrival, Ca²⁺ influx triggers vesicle fusion and transmitter release into the synaptic cleft.
Final Answer: Option C - Axon terminal (synaptic bouton)