NDA 2018 Biology question

Biology Neural Control and Coordination NDA 2018

Which one of the following depicts the correct circuit of a reflex arc?

(A)Effector—sensory neuron—spinal cord—motor neuron—receptor
(B)Receptor—sensory neuron—spinal cord—motor neuron—effectorCorrect
(C)Receptor—sensory neuron—brain—motor neuron—effector
(D)Sensory neuron—receptor—brain—effector—motor neuron

Answer: (B)

Solution

In a reflex arc the stimulus is detected by a receptor, carried by a sensory neuron to the spinal cord, relayed there to a

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Question ID VK-031177