Question

Which one of the following statements is incorrect?

• A. In cockroaches and prawns, excretion of waste material occurs through Malpighian tubules
• B. In ctenophores, locomotion is mediated by comb plates
• C. In Fasciola flame cells take part in excretion
• D. Earthworms are hermaphrodites and yet cross fertilisation take place among them

Answer 1

Answer: (A)

In cockroaches, excretion takes place by Malpighian tubules while in prawns, it takes place by green glands.