Desert snakes are mostly ........

Choose the correct pair.

Column-$I$	Column-$II$
$(a)$ Ureotelic	$(I)$ Bony fishes, aquatic amphibians and aquatic insects
$(b)$ Ammonotelic	$(II)$ Mammals, marine fishes
$(c)$ Uricotelic	$(III)$ Reptiles, birds, land snails and insects

Which one of the following pairs of waste substances is removed from the blood in the ornithine cycle?

In the urine of a person who is not taking any food or drink,there is:

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

Ureotelic animals are those in which the main nitrogenous waste product is ........