A) Man
B) Earthworm
C) Cockroach
D) Frog
Correct Answer: B
Solution :
[c] Cockroach Cockroach: excretes uric acid as the chief nitrogen excretory product, man - urea chief excretory product, earthworm. 40% urea, 20% ammonia & 40% amino acid. Frog-urea.You need to login to perform this action.
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