What does a crocodile excrete as its nitrogenous waste product?

The conversion of ammonia into urea takes place through the ........ cycle.

Fill in the gaps:
$A$ healthy adult human excretes (on an average) ............ $gm$ of urea/day.

The uricotelic mode of excreting nitrogenous wastes is found in . . . . . . .

Which of the following animals are uricotelic?

Which one of the following options gives the correct categorization of six animals according to the type of nitrogenous wastes $(A, B, C)$ they give out?
$A-$ Ammonotelic,$B-$ Ureotelic,$C-$ Uricotelic