Why Terrestrial Animals Avoid Ammonia — NEET Biology
📚 Practice ConceptTerrestrial animals are generally either ureotelic or uricotelic, not ammonotelic, why ?
Assertion (A): Mammals and many terrestrial amphibians are classified based on their primary nitrogenous waste. Reason (R): These animals are called ureotelic because they mainly excrete uric acid.
View solution & NCERT explanation
Correct answer: C — If assertion is true but reason is false.
NCERT states “Mammals, many terrestrial amphibians and marine fishes mainly excrete urea and are called ureotelic animals.” The Assertion is true - they are classified by nitrogenous waste type. The Reason is false - ureotelic animals excrete urea, not uric acid. Animals that excrete uric acid are called uricotelic.
What does NCERT say about Terrestrial animals are generally?
Has this concept appeared in NEET?
Which chapter is this from?
Through deep analysis of NEET and NTA, 176 of the 180 ReNEET 2026 (June 21) questions were already in the MedicNEET question bank before the exam.
176/180MedicNEET's Biology question bank is built from the same NCERT lines NTA picks repeatedly. Not random MCQs — questions crafted exactly like NTA crafts them.