NEET UG 2021 · Zoology · Question 189
NEET 2021 Zoology, question 189
Question 189 of the NEET 2021 paper (code O1) is a Zoology question from Human Reproduction. Its idea, Hormones of Pregnancy, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 4.
Updated 2026-10-08
Q189 · Zoology
Which of the following secretes the hormone, relaxin, during the later phase of pregnancy ?
- 1Foetus
- 2Uterus
- 3Graafian follicle
- 4Corpus luteumOfficial answer
Official answer: option 4 · NTA final answer key
Same idea
The only question on Hormones of Pregnancy
No other NEET paper from 2017–2026 tested this exact idea.
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. Pregnancy, Embryonic Development and Parturition alone had 6.