NEET Biology question

Which of the following statements is incorrect about the nervous system of earthworm?

(A)Nervous system is basically represented by ganglia arranged on ventral nerve cord
(B)In 3rd and 4th segment, the nerve cord bifurcates and joins the cerebral ganglia dorsally to form a nerve ring
(C)The cerebral ganglia along with other nerves in the ring integrate sensory input as well as command muscular responses of the body
(D)None of theseCorrect

Answer: (D)

Solution

All three statements (A), (B) and (C) correctly describe the earthworm's nervous system: it is organised as ganglia along a ventral nerve cord, which bifurcates around the pharynx in the 3rd/4th segment and reunites

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Question ID VK-111380