NEET UG 2023 · Zoology · Question 173
NEET 2023 Zoology, question 173
Question 173 of the NEET 2023 paper (code G6) is a Zoology question from Human Reproduction. Its idea, Endometrium Implantation Site, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 3.
Updated 2026-10-08
Q173 · Zoology
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Endometrium is necessary for implantation of blastocyst.
Reason R: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below:
- 1A is false but R is true.
- 2Both A and R are true and R is the correct explanation of A.
- 3Both A and R are true but R is NOT the correct explanation of A.Official answer
- 4A is true but R is false.
Official answer: option 3 · NTA final answer key
Same idea
The only question on Endometrium Implantation Site
No other NEET paper from 2017–2026 tested this exact idea.
Endometrium Implantation Site: 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.