Viruses

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

2. The protein coat surrounding a virus particle is known as:

a) Capsid

b) Envelope

c) Nucleic acid

d) Tail fibers

3. Which of the following viruses causes the common cold?

a) Influenza virus

b) Rhinovirus

c) Herpes simplex virus

d) Human immunodeficiency virus

4. Viruses can only infect:

a) Humans

b) Animals

c) Plants

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