Virus Life Cycle Practice Test Questions

Virus Life Cycle 
Practice Test Questions

Virtual Microbiology Classroom of Science Prof Online


Virus Life Cycle
Review Questions

Free review questions to help students better understand this topic.
Virus Life Cycle Sample Test Questions
Virus Cycle of Infection, National Academy of Sciences
1. When a virus invades a bacterium, gets that bacterial cell to make more copies of the virus that eventually burst out of and kill that same bacterial cell, this is called...

a. lysogeny   b. lytic replication   c. murder   d. a prion

2. The intracellular state of a ​bacteriophage 
consists of...

a. capsid    b. protein     c. nucleic acid      
d. amino acid    e. carbohydrate

3. In the last stage of lytic replication the viruses exit the cell by...

a. exocytosis
b. endocytosis
c. cell lysis
d. waiting for the cell to divide

4. Which of the following is an acellular infectious agent?

a. bacteria    b. virus     c. MRSA    d. fungi    e. Giardia

5. How do viruses get from host to host?  

a. flagella    
b. tail fibers     
c. crawling      
d. viruses cannot move on their own  

​The following questions, from the Virtual Microbiology Classrooms (8-week & 16-week), are designed to help students better understand this topic. All questions are based on material that can be found on the Virus Life Cycle Lecture Main Page.

< Go to Virus Life Cycle Main Page
Virtual Microbiology

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Prokaryotic Cell, Mariana Ruiz
Page last updated: 2/2016
For more information on viruses, go to the 
Virus Structure
Lecture Main Page
Virus Type: Bacteriophage
6. Which is NOT a method by which animal viruses can enter a host cell?

a. diffusion
b. endocytosis
c. membrane fusion
d. direct penetration of naked virus

7. Which is a method by which animal viruses can exit a host cell? 

a. exoctosis     b. lysis      c. budding      d. inversion      e. a, b, and c 

8. Viruses are capable of growth and division.

a. True      b. False

9. Another name for a virus that is in the extracellular state is...

a. viroid     b. prophage     c. virion     d. prion      e. animal virus

10. What is the correct order for how a virus makes more viruses through infecting a host cell?

#1 infect       #2 release       #3 attach       #4 replicate

a. 1, 2, 3, 4
b. 4, 3, 2, 1
c. 1, 3, 2, 4
d. 3, 1, 4, 2
e. 3, 4, 1, 2