Virus And Bacteria Quiz 23 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. Which type of virus has a high mutation rate?

Correct Answer: B) RNA virus.

2. Which treatment is the most effective against viruses?

Correct Answer: D) Vaccines.

3. Are considered to be living organisms

Correct Answer: B) Bacteria.

4. What are pathogens?

Correct Answer: B) Disease causing agents.

5. Living cell that is "taken over" by a virus. The virus uses this cell to actively replicate (copy itself).

Correct Answer: C) Host Cell.

6. Bacteria that are decomposers .....

Correct Answer: C) Feed on dead organisms.

7. When a virus enters a cell and it immediately makes copies of itself this is called .....

Correct Answer: C) Replication.

8. Algae is classified in what protist group?

Correct Answer: A) Plant like.

9. Which of the following only applies to viruses?

Correct Answer: B) Requires a host cell to replicate.

10. What shape is a bacteria with coccus in the name?

Correct Answer: C) Sphere.

11. Cell in which a virus reproduces

Correct Answer: B) Host cell.

12. An organism with only one cell is called .....

Correct Answer: C) Single-celled.

13. Conjugation occurs when .....

Correct Answer: C) A plasmid is transferred from one bacteria to another.

14. Antibodies .....

Correct Answer: D) Destroy particular viruses and bacteria.

15. Mad Cow's disease is caused by a(n):

Correct Answer: B) Prion.

16. The outside layer (most outside) of a bacteria is called a

Correct Answer: A) Capsule.

17. Bacterial action changes dead leaves into.

Correct Answer: C) Humus.

18. A relationship in which 2 organisms live with one another and at least one benefits is called

Correct Answer: B) Symbiotic.

19. A type of medicine used to treat and prevent the spread of a virus/viral infection.

Correct Answer: A) Anti-Viral.

20. The grouping of things according to their similarities is called:

Correct Answer: C) Classification.