Question

Proteinaceous infectious particles causing diseases are

• A. Prions
• B. Viroids
• C. Viruses
• D. Chlamydia

Answer 1

The correct option is A Prions

a) A prion is an abnormal form of a normally harmless protein found in the brain that is responsible for a variety of fatal neurodegenerative diseases. A prion is a short form of proteinaceous infectious particles.

b) Viroids are the smallest infectious pathogens which are composed of a single-stranded RNA without a protein coat.

c) A virus is a small infectious agent composed of genetic material enclosed by a capsid coat.

d) Chlamydia is a bacterial infection.

So, the correct answer is 'Prions'.