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Virus Review

Total questions: 25

Worksheet time: 28mins

Name
Class
Date
1.

A virus that needs the cell to generate (reverse transcribe) its genetic material from RNA to DNA

a)

retrovirus

b)

bacteriophage

c)

viroids

d)

prions

e)

filovirus

2.

A virus that infects bacteria

a)

retrovirus

b)

bacteriophage

c)

viroids

d)

prions

e)

filovirus

3.

Tightly folded RNA strands that infect plants

a)

retrovirus

b)

bacteriophage

c)

viroids

d)

prions

e)

filovirus

4.

Misfolded proteins that can destroy nervous tissue (e.g. Mad Cow Disease ~ Bovine Spongiform Encephelopathy)

a)

retrovirus

b)

bacteriophage

c)

viroids

d)

prions

e)

filovirus

5.

Disrupts the metabolism of a bacterium, but not of viruses (because viruses do not use energy!)

a)

vaccine

b)

antibiotic

6.

Used to safely stimulate the body's immune response to help prevent a viral disease.

a)

vaccine

b)

antibiotic

7.

HIV causes AIDS when it attacks the T-cells of your

a)

cardiovascular

b)

immune

c)

nervous

d)

digestive

8.

Which of the following could be treated with antibiotics?

a)

common cold (rhinovirus/adenovirus)

b)

influenza virus

c)

human papillomavirus (HPV)

d)

bacterial meningitis

9.

Which of these is NOT a way to classify/group Viruses?

a)

Shape

b)

Nucleic Acid

c)

Host

d)

Function

e)

Color

10.

Even though Viruses are considered _________, we study them in Biology because they affect (and infect!) ____________ things.

a)

nonliving, living

b)

living, nonliving

c)

animal-like, plant-like

d)

bacteria, fungus-like

11.

When comparing a Virus to a cell, select the only structure that they have in common.

a)

Organelles

b)

Nucleic Acids (DNA/RNA)

c)

Cytoskeleton

d)

Cell wall

12.

From the list, select what Viruses CANNOT do.

a)

Replicate using a host

b)

Take over a cell

c)

Use energy

d)

Mutate

13.

From the list, select what Viruses CANNOT do.

a)

Attach to a cell

b)

Destroy cells

c)

Reproduce on their own

d)

Infect plants

14.

Which disease has been completely eradicated (erased) from the entire human population thanks to preventative vaccination efforts?

a)

AIDS

b)

Smallpox

c)

Measles

d)

Mumps

e)

COVID-19

15.

True or False:

Viruses can be treated with antibiotics.

a)

False

b)

True

16.

A student draws a model of the Rhinovirus which is responsible for causing the common cold.  The student states that the capsid has a similar function to the nuclear membrane found in animal cells.  

According to the student's illustration, which viral structure would be responsible for this function?

17.

Which of the following is a characteristic of viruses that distinguishes them from bacteria?

a)

Viruses require a host cell to replicate

b)

Viruses have a nucleus

c)

Viruses can reproduce independently

d)

Viruses have a cell wall

18.

What is the primary function of a vaccine in relation to viral infections?

a)

To kill the virus directly

b)

To stimulate the immune system to recognize and fight the virus

c)

To provide nutrients to the body

d)

To act as an antibiotic

19.

Which of the following is a common method by which viruses are transmitted between hosts?

a)

Inhalation of clean air

b)

Exposure to ultraviolet light

c)

Consumption of contaminated food

d)

Direct contact with infected individuals

20.

Place the steps of the Lytic Cycle in the correct sequential order

a)

Attachment

b)

Penetration

c)

Replication
(Synthesis)

d)

Assembly

e)

Release
(Lysis)

1)
2)
3)
4)
5)
21.

Which type of nucleic acid is NOT typically found in viruses?

a)

Double-stranded RNA

b)

Single-stranded DNA

c)

Triple-stranded DNA

d)

Double-stranded DNA

22.

A person infected with the human immunodeficiency virus (HIV) may not have any symptoms for a period of time. During this period the virus affects the body by doing which of the following?

a)

The virus produces toxins that weaken immune cells and prevent them from reproducing.

b)

 The virus damages immune cells while using their machinery to produce copies of itself.

c)

The virus uses nutrients meant for immune cells to fuel its own cellular respiration.

d)

The virus changes the identity of the nucleotides of immune cells to prevent the immune system from functioning normally.

23.

Viruses are not organisms, instead what are they ?

a)

pathogens

b)

diseases

c)

bacteria

d)

Infectious Particles

24.

A table comparing the characteristics of four samples is shown. Which sample most likely contains viruses?

25.

How does the lysogenic cycle differ from the lytic cycle?

a)

The lysogenic cycle involves integration and dormancy before synthesis, while the lytic cycle results in almost immediate viral replication and quicker cell destruction.

b)
The lysogenic cycle only occurs in bacteria, while the lytic cycle occurs in all organisms.
c)
The lysogenic cycle is faster than the lytic cycle in producing new viruses.
d)
The lysogenic cycle leads to immediate cell death, while the lytic cycle does not.