Q. Consider the following statements.
(A) Alimentary canal of earthworm is complete with a well developed muscular pharynx
(B) In roundworms , sexes are separate, which means they are monoecious
(C) In annelida, neural system consists of paired ganglia connected by lateral nerves
(D) Nereis is dioecious

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Solution:

Correct answer is (a) A, C and D correct