Question

Which of the following statements are correct about viruses?

• A. They are the smallest microbes.
• B. They are free-living.
• C. They use the host cell to replicate.
• D. They cause common cold and cough.

Answer 1

Answer: (A), (C), (D)

They cause common cold and cough.

Viruses are the smallest microorganisms. They reproduce only inside the cells of the host organisms. They cannot survive outside a host. They are responsible for causing diseases like common cold and cough.