NEET Zoology Neuron MCQ Question
Which combination of statements about neurons is correct?
Dendrites transmit impulses towards the cell body; the axon transmits impulses away from the cell body.
The synaptic knob contains neurotransmitters that are only released in response to electrical impulses.
Unipolar neurons have multiple dendrites and are commonly found in the cerebral cortex.
Bipolar neurons are characterized by one axon and two or more dendrites, typically located in the retina of the eye.
Correct Answer
Detailed Explanation
Statement A is correct as dendrites do transmit impulses towards the cell body while the axon transmits them away. Statement B is misleading because neurotransmitters can also be released without electrical impulses. Statement C is incorrect as unipolar neurons have one axon only. Statement D incorrectly describes the characteristics of bipolar neurons.
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