NCERT Solution: Animal Kingdom
8. 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.
NCERT Exampler
Ans. (a) In cockroaches and prawns excretion of waste material occurs through malpighian tubules.
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