Single Answer MCQ
Q-00019542
What is the waste product primarily excreted by mammals?
1
Urea
2
Uric acid
3
Ammonia
4
Creatinine
Answer and Solution
Answer
A. Urea
Solution:
Mammals primarily excrete urea, which is a less toxic nitrogenous waste product formed from the breakdown of proteins. Uric acid is more common in reptiles and birds, while ammonia is highly toxic and primarily found in aquatic animals.
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