Here are some MCQs on Viruses
1. Which of the following is not a characteristic of a virus?
a) Ability to replicate on its own
b) Obligatory intracellular parasite
c) Presence of DNA or RNA
d) Lack of cellular structure
Answer: a) Ability to replicate on its own
2. The protein coat surrounding a virus particle is known as:
a) Capsid
b) Envelope
c) Nucleic acid
d) Tail fibers
Answer: a) Capsid
3. Which of the following viruses causes the common cold?
a) Influenza virus
b) Rhinovirus
c) Herpes simplex virus
d) Human immunodeficiency virus
Answer: b) Rhinovirus
4. Viruses can only infect:
a) Humans
b) Animals
c) Plants
d) All of the above
Answer: d) All of the above
5. The primary mode of viral transmission is through:
a) Direct contact with infected individuals
b) Inhalation of airborne droplets
c) Ingestion of contaminated food
d) All of the above
Answer: d) All of the above
