Virus And Bacteria Quiz 17 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. The virus that infects bacterium is.

Correct Answer: C) Bacteriophage.

2. In binary fission how does the DNA of the daughter cells compare to the DNA of the parent cell?

Correct Answer: B) It is identical.

3. A "resting stage" of bacteria that happens when environmental conditions are unfavorable

Correct Answer: C) Endospore.

4. Which is most often used to destroy bacteria?

Correct Answer: B) Antibiotics.

5. This domain contains organisms that have a true nucleus in each of their cells. T

Correct Answer: A) Eukarya.

6. The name Streptococcus tells you that the bacteria is ..... shaped.

Correct Answer: C) Spherical.

7. Bacteria are ..... which means they have no nucleus and protists have a nucleus and therefore are ..... even though they are both unicellular.

Correct Answer: A) Prokaryotes, eukaryotes.

8. One way in which bacteria are beneficial:

Correct Answer: A) They make food.

9. Using viruses to insert normal genetic information into a specific cell is called .....

Correct Answer: B) Gene transfer.

10. Three of the following can kill bacteria, but one can only help control it. Which one?

Correct Answer: D) Refrigeration.

11. Every virus is made up of genetic material inside a?

Correct Answer: C) Capsid (protein coat).

12. In order to avoid harmful bacteria,

Correct Answer: D) All of the above.

13. Which one is a plant-like protist?

Correct Answer: D) Algae.

14. What is thought to be true about the 3 domains of living things?

Correct Answer: A) They diverged from a common ancestor before eukaryotes.

15. Whooping cough is caused by.

Correct Answer: B) Bacillus pertussis.

16. Jaundice is caused by a/an.

Correct Answer: A) Virus.

17. The domain Archaea:

Correct Answer: D) Are able to tolerate extreme conditions.

18. A virus can multiply only when it is inside a living .....

Correct Answer: B) Cell.

19. When viral DNA integrates with the host's DNA it is called a:

Correct Answer: A) Provirus.

20. Binary fission is a form of

Correct Answer: A) Asexual reproduction.