A type of protein, prions cause diseases in humans by animals through activation of normal healthy proteins in the human to abnormally fold. Explore important MCQs on Prions given below.
1. Neurodegenerative diseases such as mad cow and Kuru diseases are caused by infectious particles known as
(a) coronavirus
(b) viroids
(c) retrovirus
(d) prions
Answer: (d)
2. This is not a prion disease
(a) Scrapie
(b) Bovine spongiform encephalopathy
(c) Lewy body dementia
(d) Creutzfeldt Jakob disease
Answer: (c)
3. In human cells, this is the first virus to be cultured
(a) HIV
(b) Influenza virus
(c) Dengue virus
(d) Polio virus
Answer: (d)
4. What causes scrapie in sheep?
(a) Proteins
(b) Viroid
(c) Prion
(d) Virion
Answer: (c)
5. ___________ is a protein having partial with no detachable nucleic acid
(a) Proteins
(b) Viroid
(c) Prions
(d) Virion
Answer: (c)
6. _____________ are the naked RNA strands infecting plants
(a) prions
(b) RNA viruses
(c) viroids
(d) retroviruses
Answer: (c)
7. What is the other name for Bovine spongiform encephalopathy?
(a) Kuru disease
(b) Mad cow disease
(c) Mad dog disease
(d) Sheep’s disease
Answer: (b)
8. What is the latent viral DNA contained in the host DNA referred to as?
(a) invader
(b) prion
(c) prophage
(d) viroid
Answer: (c)
9. In sheep, this disease characterizes pneumonia and demyelination
(a) Scrapie
(b) Measles
(c) Pneumonia
(d) Visna
Answer: (d)
10. Lack of coordination and muscle twitching in a disease takes place due to this prion
(a) Tetanus
(b) Cancer
(c) Kuru disease
(d) Marasmus
Answer: (c)
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Viruses, Viroids and Prions – Biological Classification Class 11 Biology Concepts
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