Virus And Bacteria Quiz 30 (20 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. In our bird beak lab, we showed how .....

Correct Answer: A) Different beaks are adapted to eat different food.

2. ..... is when one cell reproduces by division in half to become two cells.

Correct Answer: B) Binary fission.

3. What types of cells do bacteriaphages infect?

Correct Answer: A) Bacteria.

4. The organisma Felis catus and Felis silvestris belong to the same .....

Correct Answer: C) Genus.

5. The reproductive cells of fungi are called:

Correct Answer: C) Spores.

6. What is a pathogen?

Correct Answer: C) Type of disease infection.

7. Viruses destroy .....

Correct Answer: B) Host cells.

8. Reasons that viruses are considered to be nonliving is because

Correct Answer: D) All of the above.

9. Virus is latin for

Correct Answer: D) Poison.

10. What is the piece of DNA that is embedded in the host's DNA called?

Correct Answer: B) Prophage.

11. The best way to identify a bacteria cell is

Correct Answer: A) Single-celled, no nucleus.

12. Contains GENETIC MATERIAL-DNA or RNA

Correct Answer: C) Both bacteria & virus.

13. Eubacteria are part of ..... domain and Archeabacteria are in ..... domain.

Correct Answer: B) Bacteria, archea.

14. What is one way viruses are like humans?

Correct Answer: C) They have genetic material (DNA).

15. What is prokaryotic?

Correct Answer: A) An organism that lacks a nucleus.

16. Which is not an example of a pathogen?

Correct Answer: D) Tick.

17. What level of classification is "picta" in "Chrysemys picta? "

Correct Answer: B) Species.

18. What is the bacterial disease in lime fruits?

Correct Answer: C) Citrus canker.

19. Humans occasionally become infected with common colds and flu after flying on crowded airplanes. Which is MOST LIKELY responsible?

Correct Answer: B) Airborne contagions.

20. What does a virus do once it's inside one of your cells?

Correct Answer: C) It uses the cell's machinery to make copies of itself.