A) Excretory organs of insects
B) Excretory organs of annelids
C) Respiratory organs of insects
D) Respiratory organs of annelids
Correct Answer: A
Solution :
Malpighian tubules are fine, unbranched, yellow tubules that lie more or less free in the haemocoel. They open into alimentary canal. They absorb nitrogenous waste products, thus acts it as an excretory organ. Hence, the correct option is (a).
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