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In a reflex arc the afferent neuron enters the spinal cord through the:
ACorpus callosum
BCerebral aqueduct
CDorsal nerve root
DVentral nerve root
Answer & Solution
Correct answer: C. Dorsal nerve root
1. The afferent neuron brings the sensory signal in.
2. It enters the cord on the back side.
3. That entry is the dorsal nerve root.
_Source: NCERT Class 11 Biology, Chapter 21, Neural Control and Coordination._
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