Marine teleosts,undergoing putrefaction,emit a sharp characteristic foul odour,which is due to the production of:

The nitrogenous excretory product of a frog tadpole is:

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.

Terrestrial animals are efficient in:

It is excreted in the form of pellet or paste with a minimum loss of water.

Ammonia is the main nitrogenous waste product in ........ .