Multiple choice

Which of the following is the main nitrogenous waste in human urine?

  1. Sodium chloride

  2. Urea

  3. Ammonia

  4. Guanine

  5. Amino acid

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

It is the less toxic nitrogenous waste found in humans and is formed by the help of ornithine cycle.