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Friday, 9 October

NEET UG 2022 · Zoology · Question 159

NEET 2022 Zoology, question 159

Question 159 of the NEET 2022 paper (code R1) is a Zoology question from Excretory Products and their Elimination. Its idea, Ammonotelism, Ureotelism and Uricotelism, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q159 · Zoology

Nitrogenous waste is excreted in the form of pellet or paste by :

  1. 1PavoOfficial answer
  2. 2Ornithorhynchus
  3. 3Salamandra
  4. 4Hippocampus

Official answer: option 1 · NTA final answer key

Same idea

The only question on Ammonotelism, Ureotelism and Uricotelism

No other NEET paper from 2017–2026 tested this exact idea.

Ammonotelism, Ureotelism and Uricotelism: every question and how it was framed

The chapter

Excretory Products and their Elimination in ten years of NEET

16 questions from 2017–2026, asked in 9 of 10 papers, about 1.5 a paper. Urine Formation alone had 13.

Excretory Products and their Elimination: questions per paper

0242’172’182’192’200’211’223’232’241’251’26