Which substance is finally excreted in the urine in humans?

Regarding excretion,the frog is a/an:

If a fresh water fish is placed in an aquarium containing sea water,will the fish be able to survive? Explain giving reasons.

Which of the following animals does not excrete nitrogen as urea?

Transamination process takes place in

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.