MCQ’S ON PRIONS
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)
