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Which one of the following statements is...

Which one of the following statements is incorrect

A

In cockroaches and prawns excretion of waste material occurs through malpighian tubules.

B

In ctenophors, locomotion is mediated by comb plates

C

In Fasciola flame cells take part in excretion

D

Earthworms are hermaphrodites and yet cross fertilization take place among them

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The correct Answer is:
A
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