NEET UG 2018 · Zoology · Question 146
NEET 2018 Zoology, question 146
Question 146 of the NEET 2018 paper (code AA) is a Zoology question from Reproductive Health. Its idea, Saheli Estrogen Receptor Modulation, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 3.
Updated 2026-10-08
Q146 · Zoology
The contraceptive 'SAHELI'
- 1is an IUD.
- 2increases the concentration of estrogen and prevents ovulation in females.
- 3blocks estrogen receptors in the uterus, preventing eggs from getting implanted.Official answer
- 4is a post-coital contraceptive.
Official answer: option 3 · CBSE official answer key
Same idea
The only question on Saheli Estrogen Receptor Modulation
No other NEET paper from 2017–2026 tested this exact idea.
Saheli Estrogen Receptor Modulation: every question and how it was framed
The chapter
Reproductive Health in ten years of NEET
22 questions from 2017–2026, asked in 10 of 10 papers, about 2.1 a paper. Contraceptive Methods alone had 11.