Question

Which of the following is the most toxic form of nitrogenous waste?

• A. Guanine
• B. Ammonia
• C. Urea
• D. Uric acid

Answer 1

Answer:

B. Ammonia

• Ammonia is the most toxic form of nitrogenous waste as it is corrosive.

• Also, it requires large amounts of energy for its elimination.

• Ammonia also needs a huge amount of water for its removal from the body.