The chief nitrogenous waste in the urine of rabbits or terrestrial mammals is:

Aquatic reptiles are .......... .

Which are the main excretory substances? Classify animals based on the excretory substance.

Which one of the following is not correct?

Assertion : During physiology of excretion,deamination does not take place in liver.
Reason : Deamination is a process to make use of excess of amino acids which cannot be incorporated into protoplasm.

Uricotelic mode of passing out nitrogenous wastes is found in