Uric acid is the chief nitrogenous component of the excretory products of
Uric acid is the chief nitrogenous component of the excretory products of
$\operatorname{man}$
earthworm
cockroach
frog
Solution
Cockroach excretes uric acid as the chief nitrogenous excretory product.
Man excretes urea as the chief nitrogenous excretory product.
Earthworm excretes $40 \%$ urea, $20 \%$ ammonia and $40 \%$ amino acids.
Frog excretes urea as the chief nitrogenous product.