Re-NEET 2026 · Question 101 · Class 11

Biological Classification

Mad cow disease is caused by _______.

  1. (A)prions
  2. (B)viroids
  3. (C)Aspergillus sp.
  4. (D)Mycoplasma sp.

The NCERT line that answers it

Verbatim line

The most notable diseases caused by prions are bovine spongiform encephalopathy (BSE) commonly called mad cow disease in cattle and its analogous variant Creutzfeldt-Jacob disease (CJD) in humans.

Chapter
Biological Classification
Section
2.6 VIRUSES, VIROIDS, PRIONS AND LICHENS
Page
11
Words matched
23 of 28

The answer appears as a continuous sentence in NCERT. This is that sentence.

How this line gives the answer

0, emb=1.0, combined=1.0). Verified: high — The span explicitly states that BSE is commonly called mad cow disease and is caused by prions, directly answering the MCQ.

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Every one traced to the exact sentence in NCERT that answers it, including 90% of the 2026 paper. Sit a mock on the real NEET 2027 computer interface and every mark you drop comes back with its line attached.

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Question text is reproduced from the published Re-NEET 2026 paper for study and commentary. NCERT text is quoted, not redistributed; textbooks remain at ncert.nic.in. Our mapping method, including its measured error rates, is published at /methodology.