NEET UG 2026 · Zoology · Question 101
NEET 2026 Zoology, question 101
Question 101 of the NEET 2026 paper (re-exam) is a Zoology question from Biological Classification. Its idea, Prions, was asked only this once in NEET 2017–2026. The NTA final answer key gives option 1.
Updated 2026-10-08
Q101 · Zoology
Mad cow disease is caused by _________.
- 1prionsOfficial answer
- 2viroids
- 3Aspergillus sp.
- 4Mycoplasma sp.
Official answer: option 1 · NTA final answer key
Same idea
The only question on Prions
No other NEET paper from 2017–2026 tested this exact idea.
The chapter
Biological Classification in ten years of NEET
26 questions from 2017–2026, asked in 9 of 10 papers, about 2.5 a paper. Viruses, Viroids, Prions and Lichens alone had 4.