Question

Which type of nitrogenous wastes is excreted by living organisms?

• A. Urea
• B. Ammonia
• C. Uric acid
• D. All of these \bigskip

Hint:

Excretory products vary among organisms: - Ammonotelic: Ammonia (e.g., fish, amphibians) - Ureotelic: Urea (e.g., mammals) - Uricotelic: Uric acid (e.g., birds, reptiles)

Answer 1

The Correct Option is D

Living organisms excrete nitrogenous wastes in different forms. Mammals excrete urea, amphibians and fish excrete ammonia, and birds, insects, and reptiles excrete uric acid.