ReNEET 2026 · Biology · Q101Biological ClassificationIn our bank: Exact match · 98%
Mad cow disease is caused by _______.
- A.prions✓
- B.viroids
- C.Aspergillus sp.
- D.Mycoplasma sp.
Correct Answer
(A) prions
Solution & Explanation
Prions are abnormally folded infectious proteins. They cause bovine spongiform encephalopathy (mad cow disease) and the analogous Cr–Jakob disease in humans. (Viroids cause plant diseases; they are free RNA.)
✅ We had this exact concept in our bank before the exam — Exact match, 98% match.
That's the Predicted Batch — it trains you on the exact high-probability concepts NEET repeats every year. 98% of the 2026 paper (176/180) was in our bank before the exam.
Master these concepts + 50,000+ NEET PYQs in the app — free, built for NEET 2027.
Start the Predicted Batch — Free →More ReNEET 2026 solutions
Biol Q92Symbiotic association between fungi and algae are called ________.Biol Q112Match List-I (A. Spherical, B. Rod, C. Comma, D. Spirillum) with List-II (I. Vibrio, II. Cocci, III. Spirilla, IV. Bacilli).Biol Q126Which of the following is not a prokaryote?Biol Q129Match List-I (A. Fusion of protoplasms between gametes, B. Fusion of two nuclei, C. Generation of haploid spores) with List-II (I. Meiosis, II. Plasmogamy, III. Karyogamy).Biol Q91The number of vertebrae in a human is ________.Biol Q93Cell theory was formulated by ______________.Biol Q94Which of the following are characteristics of prokaryotic cells? (a) Ribosomes are made of 50S and 30S subunits; (b) They can have plasmids; (c) They contain mesosome; (d) They have peroxisomes.Biol Q95Which of the following is not a part of the human central neural system?Biol Q96Mitochondrial inner membrane encloses ___________.