Learn

Friday, 9 October

NEET UG 2019 · Zoology · Question 171

NEET 2019 Zoology, question 171

Question 171 of the NEET 2019 paper (code P1) is a Zoology question from Human Reproduction. Its idea, Trigger for Second Polar Body Extrusion, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.

Updated 2026-10-08

Q171 · Zoology

Extrusion of second polar body from egg nucleus occurs :

  1. 1after entry of sperm but before fertilizationOfficial answer
  2. 2after fertilization
  3. 3before entry of sperm into ovum
  4. 4simultaneously with first cleavage

Official answer: option 1 · NTA final answer key

Same idea

The only question on Trigger for Second Polar Body Extrusion

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

Trigger for Second Polar Body Extrusion: every question and how it was framed

The chapter

Human Reproduction in ten years of NEET

33 questions from 2017–2026, asked in 10 of 10 papers, about 3.2 a paper. Female Reproductive System alone had 10.

Human Reproduction: questions per paper

0362’174’182’193’203’213’223’233’245’255’26