NEET Previous Year Question

Which one of the following option gives the correct categorization of six animals according to the type of nitrogenous wastes {(A) - (Ammonotelic), (B) - (Ureotelic), (C) - (Uricotelic)} they give out?

Topic: NEET PYQ

Answer: B. Full step-by-step solution below.

  1. A(A) - Frog, Lizards, (B) - Aquatic Amphibia, Humans, (C) - Cockroach, Pigeon
  2. B(A) - Aquatic Amphibia, (B) - Frog, Humans, (C) - Pigeon, Lizards, Cockroach
  3. C(A) - Aquatic Amphibia, (B) - Cockroach, Humans, (C) - Frog, Pigeon, Lizards
  4. D(A) - Pigeon, Humans, (B) - Aquatic Amphibia, Lizards, (C) - Cockroach, Frog

Correct answer: B

Solution

(b) Ammonotelic: Excrete ammonia (Aquatic amphibia).
Ureotelic: Excrete urea (Adult frog, Humans).
Uricotelic: Excrete uric acid (Pigeon, Lizards, Cockroach).

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