Question

Animal, excreting urea produced during metabolism of amino acid is

• A. ureotelism
• B. uricotelism
• C. ammonotelism
• D. aminotelism

Answer 1

The correct option is A ureotelism

Ureotelism is a type of excretion where urea is the main nitrogenous waste material. Animals showing ureotelism are called ureotelic animals.They include many terrestrial amphibians, marine fishes and mammals. Uricotelism is a type of excretion where animals excrete a major portion of nitrogenous waste in the form of semi-solid or solid uric acid are called uricotelic. Ammonotelism is the type of excretion in which ammonia is the main nitrogenous waste material. Such animals are called ammonotelic. Some molluscs and echinoderms excrete an excess of amino acids such animals are called amino telic animals.