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Friday, 9 October

NEET UG 2019 · Zoology · Question 163

NEET 2019 Zoology, question 163

Question 163 of the NEET 2019 paper (code P1) is a Zoology question from Excretory Products and their Elimination. Its idea, Vitamin D Activation Failure, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.

Updated 2026-10-08

Q163 · Zoology

Use of an artificial kidney during hemodialysis may result in :

(a) Nitrogenous waste build-up in the body

(b) Non-elimination of excess potassium ions

(c) Reduced absorption of calcium ions from gastro-intestinal tract

(d) Reduced RBC production

Which of the following options is the most appropriate ?

  1. 1(a) and (b) are correct
  2. 2(b) and (c) are correct
  3. 3(c) and (d) are correctOfficial answer
  4. 4(a) and (d) are correct

Official answer: option 3 · NTA final answer key

Same idea

The only question on Vitamin D Activation Failure

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

Vitamin D Activation Failure: 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. Excretory Disorders alone had 3.

Excretory Products and their Elimination: questions per paper

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