NEET UG 2020 · Botany · Question 90
NEET 2020 Botany, question 90
Question 90 of the NEET 2020 paper (code E1) is a Botany question from Environmental Issues. Its idea, Snow Blindness Pathology, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 2.
Updated 2026-10-08
Q90 · Botany
Snow-blindness in Antarctic region is due to :
- 1Freezing of fluids in the eye by low temperature
- 2Inflammation of cornea due to high dose of UV-B radiationOfficial answer
- 3High reflection of light from snow
- 4Damage to retina caused by infra-red rays
Official answer: option 2 · NTA final answer key
Same idea
The only question on Snow Blindness Pathology
No other NEET paper from 2017–2026 tested this exact idea.
Snow Blindness Pathology: every question and how it was framed
The chapter
Environmental Issues in ten years of NEET
19 questions from 2017–2026, asked in 7 of 10 papers, about 1.8 a paper. Ozone Depletion alone had 5.