Question Detail
Question
Which of the following is the main nitrogenous waste excreted by humans?
Correct Answer
Option C is the correct answer.
Detailed Explanation
Humans are ureotelic; ammonia is converted to urea in the liver via the ornithine cycle, which is less toxic and requires less water for excretion than ammonia.
Hint
This waste product is synthesized in the liver and excreted in urine.