Question

Ureotelic animals are those which eliminate the nitrogenous wastes predominantly in the form of

• A. uric acid
• B. ammonia
• C. amino acid
• D. urea

Answer 1

The correct option is D

urea

The correct option is D

Explanation of the correct option:

1. Ureotelic animals excrete out their nitrogenous waste in the form of urea.
2. Most terrestrial animals are ureotelic, converting ammonium ions formed during the breakdown of amino acids into urea.

Explanation of the incorrect option:

Option A:

The organism which eliminate nitrogen mainly as uric acid is known as uricotelic organism. Eg. lizards, birds.

Option B:
The organism which eliminates nitrogen mainly in the form of ammonia is called ammonotelic organism. An example is fish.

Option C:

1. Amino acids are generally completely reabsorbed into the blood for various body processes.
2. They are generally not excreted in urine.

Final Answer: Ureotelic animals are those which eliminate the nitrogenous wastes predominantly in the form of urea.