Question

Which of the following is NOT true about viruses?

• A. Viruses have either DNA or RNA as the genetic material.
• B. Viruses do not infect bacteria, fungi and algae.
• C. Viruses use host machinery to produce more of their kind.
• D. Viruses are useful in the preparation of vaccines.

Answer 1

The correct option is B

Explanation of the concept

1. Viruses do not infect bacteria, fungi, and algae.
2. Viruses are microscopic organisms that come alive only when inside a host organism (they reproduce only inside another organism).
3. The host organism could be a bacterium, plant, or animal.
4. Viruses have either RNA or DNA as their genetic material and are useful in the preparation of vaccines, like chicken pox and smallpox.
5. Bacteriophages are viruses that infect bacteria.

Final Answer: Viruses do not infect bacteria, fungi and algae is not the correct statement