Virus And Bacteria Quiz 21 (20 MCQs)

Quiz Instructions

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1. A virus becomes active when it

Correct Answer: C) Enters a living cell.

2. Bacteria are considered ..... because their genetic material is not contained in a nucleus.

Correct Answer: C) Prokaryotes.

3. Which of the following requires a host cell to reproduce?

Correct Answer: C) Virus.

4. Most bacteria are ..... for us.

Correct Answer: D) Good.

5. Which antibiotics will work on viral infections

Correct Answer: D) None will work.

6. Which pathogen is non-living?

Correct Answer: A) Virus.

7. Which one of the following is NOT one of the three shapes of bacteria?

Correct Answer: D) Springs.

8. Archaea are ..... similar to eukaryotes than Bacteria.

Correct Answer: A) More.

9. The process of converting nitrogen into a form plans can use is known as nitrogen

Correct Answer: C) Fixation.

10. A nonliving disease causing particle that contains DNA or RNA

Correct Answer: B) Virus.

11. Bacteria and fungi play an important environmental role. What role is it?

Correct Answer: B) Decomposer.

12. HIV is an example of which type of virus?

Correct Answer: D) Retrovirus.

13. What cycle causes the cell burst?

Correct Answer: C) Lytic.

14. B lymphocytes produce

Correct Answer: B) Antibodies.

15. What does Heterotrophic mean?

Correct Answer: C) Eats food from outside its body to survive.

16. Where are bacteria located?

Correct Answer: B) Every where!.

17. Where is the DNA in a prokaryotic cells?

Correct Answer: C) Cytoplasm.

18. Both prokaryotic and eukaryotic cells contain all of the following EXCEPT

Correct Answer: B) Chloroplast.

19. In the lac operon model, the genes within the operon will be expressed if

Correct Answer: C) Lactose is present in the cell.

20. During which viral reproduction cycle is the viral DNA hidden in the cell's DNA, where it can hide for long periods of time, before reproducing?

Correct Answer: C) Lysogenic.