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Viruses

Total questions: 63

Worksheet time: 21mins

Name
Class
Date
1.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
2.
Needs host cell to reproduce.
a)
Virus
b)
Bacteria
c)
Fungus
d)
Protozoan
3.
How does a virus cause a person to develop the common cold?
a)
invades the host cell to reproduce
b)
removes energy from the host cell
c)
produces toxins in the host cell
d)
protects the host cell from bacteria
4.
When a virus invades a living cell, its _______
takes over the cell's functions.
a)
outer coat
b)
genetic material
c)
core
d)
cytoplasm
5.
One reason that viruses are considered to be nonliving is that they are not made of ______.
a)
protein
b)
viruses
c)
bacteria
d)
cells
6.
What do viruses have in common with living cells? They both...
a)
store genetic information
b)
have chloroplasts
c)
use glucose for cellular respiration
d)
have endoplasmic reticulum
7.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
8.
True or False
The flu is caused by a virus.
a)
true
b)
false
9.
What do viruses need to reproduce?
a)
they need genetic material
b)
They need a host cell
c)
They need  bacteria
d)
They need insulin
10.
Antibiotics kill viruses
a)
True
b)
False
11.
Viruses are cells. 
a)
True 
b)
False
12.
How could you describe the size of a virus?
a)
Smaller than bacteria
b)
Larger than a parasite
c)
About the size of a dime
d)
Smaller than a proton
13.
What part of the virus is number 1?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
14.
What part of the virus is number 3?
a)
Capsid
b)
DNA
c)
Surface Markers
d)
Envelope
15.
Some viruses have envelopes made of cell membranes. Where did they get those membranes?
a)
It is coded in their DNA.
b)
From the host cell.
c)
From the protein capsid
d)
They make it during mitosis.
16.
Is a virus considered living or non-living?
a)
Living
b)
Non-Living
c)
Neither
17.
What is the first step of the virus reproduction cycle?
a)
The viruses genetic material (DNA) starts to take over the functions of the cell
b)
The host cell bursts open, releasing the new viruses
c)
The virus injects its genetic material into the cell
d)
A virus attaches to the surface of a host cell
18.
What is a way to become immune to a disease without first having the disease?
a)
antibiotics
b)
Anti-retroviral drugs
c)
Vaccinations
d)
Exposure Therapies
19.
Which can be treated with antibiotics?
a)
Virus
b)
Bacteria
c)
Mutagen
d)
Parasite
20.
Which of the following occurs right after a virus attaches to a host cell in the viral reproduction process?
a)
The host cell dies
b)
The virus dies
c)
The virus inserts its genetic information into the host cell
d)
copies of the virus are immediately released from the host
21.

"Lysis" means

a)

rupture of a cell membrane

b)

replication of a virus

c)

bacterial reproduction

d)

a process that rarely happens

22.

A virus infects a host in order to:

a)

Take Nutrients

b)

Make the host sick

c)

Make copies of itself

d)

Destroy the host cells

23.
What is the last step in the viral reproduction cycle?
a)
A virus attaches to the surface of a host cell
b)
The proteins and genetic material start to assemble in the cell
c)
The host cell bursts open, releasing the new viruses
d)
The virus injects its genetic material into the cell
24.
Which of these is a plant virus?
a)
tobacco mosaic virus
b)
bacteriophage
c)
influenza
d)
polio
25.

A virus that has RNA as its genetic material is known as a ___________.

a)

CRISPR

b)

viroid

c)

bacteriophage

d)

retrovirus

26.

the Latin word "corona," which means ...........

a)

virus

b)

bacteria

c)

crown

d)

clown

27.

What does a virus have on the outside?

a)

a protein coat

b)

DNA

c)

vitamins

d)

membrane

28.

How do vaccines work against viruses?

a)

Vaccines are like antibiotics, except they work against viruses.

b)

Vaccines prepare the immune system to fight the virus without harming the host.

c)

Vaccines make it impossible for a virus to enter a host cell.

d)

Vaccines find viral DNA or RNA and cut it to pieces, making the virus unable to replicate.

29.

Which is the proper order for the steps of the lytic cycle?

a)

Attachment, injection, replication, assembly , lysis

b)

Lysis, injection, attachment, assembly, replication

c)

Injection, assembly, replication, attachment, lysis

d)

Replication, assembly, Injection, attachment, lysis

30.

Viruses such as HIV and cold sores are called temperate viruses because they

a)

integrate their DNA with the host's DNA, and can cause illness much later

b)

only cause illness immediately (soon after infection), because they enter the Lytic cycle

c)

replicate more virulently, causing RNA to leak out of the cell

d)

are DNA retroviruses

31.

All viruses have

a)

a capsid and DNA/RNA

b)

a capsid, DNA/RNA, and an envelope

c)

a capsid, DNA/RNA, an envelope, and enzymes

d)

DNA/RNA and an envelope

32.

Prokaryotic cells are characterized by

a)

the lack of an organized nucleus (true nucleus).

b)

cells that can move by flagella.

c)

the lack of membrane-bound organelles.

d)

All of the choices are correct.

33.
Spherical prokaryote
a)
coccus
b)
bacillus
c)
endospore
d)
chemoautotroph
34.
Rod shaped prokaryote
a)
coccus
b)
prokaryote
c)
spirillum
d)
bacillus
35.
Spiral or corkscrew-shaped prokaryote
a)
coccus
b)
bacillus
c)
spirillum
d)
prokaryote
36.

What are rod shaped bacteria called?

a)

Bacili

b)

Cocci

c)

Spirilla

d)

Coccus

37.

What is the name of the scientist that developed the first antibiotic (penicillin)?

a)

Charles Darwin

b)

Louis Pasteur

c)

James Watson

d)

Alexander Fleming

38.

Outer protein coat of a virus.

a)

Capsid

b)

Nucleic acid

c)

Protein

d)

Envelope

39.

The TWO characteristics of life that virus lack, thus rendering them NON-living.

a)

Cells

b)

Movement

c)

Reproduction

d)

Evolution

e)

Responds to stimuli

40.

The name of the cell that a virus must infect in order to function.

a)

Host

b)

Parasite

c)

Germ

d)

Archaebacteria

41.

When a virus remains inactive for a long period of time, but remains in a person’s cells.

a)

Mutant

b)

Dormant

c)

Virulent

d)

Host

42.

The reason why the Influenza vaccination must be taken every year.

a)

Viruses mutate.

b)

Viruses cannot reproduce.

c)

Host cells kill viruses.

d)

Vaccines make corporations money.

43.

This virus doesn’t infect humans, it infects bacteria, specifically E.coli. When the virus infects E.coli in one’s digestive tract, the individual may experience some gastrointestinal discomfort.

a)

T4 bacteriophage

b)

Ebola

c)

Varicella Zoster

d)

Epstein Barr

e)

Human Immunodeficiency Virus

44.

This virus is mainly confined to Africa (however, there have been cases recently in the United States). This virus causes flu like symptoms that quickly progress to vomitting, internal and external bleeding.

a)

T4 bacteriophage

b)

Ebola

c)

Varicella Zoster

d)

Epstein Barr

e)

Human Immunodeficiency Virus

45.

When a person is infected with this virus, they appear to have been pecked by poultry. Most children in the United States are vaccinated by a live, attenuated vaccine for this virus.

a)

T4 bacteriophage

b)

Ebola

c)

Varicella Zoster

d)

Epstein Barr

e)

Human Immunodeficiency Virus

46.

This virus causes mononucleosis and can result in an inflammation of the throat, lymph nodes and enlargement of the spleen. It’s spread by close contact, kissing or sharing of drinks.

a)

T4 bacteriophage

b)

Ebola

c)

Varicella Zoster

d)

Epstein Barr

e)

Human Immunodeficiency Virus

47.

This virus affects the immune system, specifically CD4 and T-helper cells. It is spread through physical contact or exchange of bodily fluids.

a)

T4 bacteriophage

b)

Ebola

c)

Varicella Zoster

d)

Epstein Barr

e)

Human Immunodeficiency Virus

48.

The MMR vaccine helps keep incidence of this virus to a minimum. This virus is highly contagious and may also be called German measles or “little Red”.

a)

Rubella

b)

Morbillivirus

c)

Herpes Simplex

d)

Rhinovirus

e)

Influenza A H1N1

49.

The MMR vaccine helps keep incidence of this virus to a minimum. This virus is highly contagious and may also be called Rubeola.

a)

Rubella

b)

Morbillivirus

c)

Herpes Simplex

d)

Rhinovirus

e)

Influenza A H1N1

50.

There are two forms of this virus, 1 and 2. Variation 1 manifests itself on one’s face/mouth and variation 2 shows on the individual’s genital regions.

a)

Rubella

b)

Morbillivirus

c)

Herpes Simplex

d)

Rhinovirus

e)

Influenza A H1N1

51.

Most common virus causing the common cold, this virus is most active during the winter and fall months when the air is dry and the upper respiratory system is most vulnerable.

a)

Rubella

b)

Morbillivirus

c)

Herpes Simplex

d)

Rhinovirus

e)

Influenza A H1N1

52.

This “swine flu” virus is highly contagious and effects the respiratory system.

a)

Rubella

b)

Morbillivirus

c)

Herpes Simplex

d)

Rhinovirus

e)

Influenza A H1N1

53.

Also called BreakBone fever because of the aches associated with this virus. This tropical virus has a secondary host of a mosquito.

a)

Dengue

b)

West Nile

c)

Rotavirus

d)

Human Papillomavirus

e)

Poliovirus

54.

This virus is commonly spread by mosquitos and can spread through the blood and into the brain where it can cause brain inflammation.

a)

Dengue

b)

West Nile

c)

Rotavirus

d)

Human Papillomavirus

e)

Poliovirus

55.

The vaccine for this virus is one of the only oral vaccines. This virus attacks the bowels and can cause a stomach flu.

a)

Dengue

b)

West Nile

c)

Rotavirus

d)

Human Papillomavirus

e)

Poliovirus

56.

The Gardisil vaccine is used to help guard against the cervical cancer that this virus is known to cause. This virus primarily effects the reproductive system.

a)

Dengue

b)

West Nile

c)

Rotavirus

d)

Human Papillomavirus

e)

Poliovirus

57.

This virus is highly infectious and can cause paralysis within hours of exposure, thankfully, there a vaccination effort – that’s been ongoing since ~ 1988 ~ has virtually eradicated this virus.

a)

Dengue

b)

West Nile

c)

Rotavirus

d)

Human Papillomavirus

e)

Poliovirus

58.

This avian influenza can be found in humans and causes fever, cough and other respiratory ailments.

a)

Influenza A H1N1

b)

Norovirus

c)

Hepatitis C

d)

Rabies

e)

Influenza

59.

This virus causes the stomach flu, however is not an “influenza” virus. This virus is highly contagious and causes inflammation of the stomach and intestines.

a)

Influenza A H1N1

b)

Norovirus

c)

Hepatitis C

d)

Rabies

e)

Influenza

60.

This virus causes inflammation of the liver.

a)

Influenza A H1N1

b)

Norovirus

c)

Hepatitis C

d)

Rabies

e)

Influenza

61.

This virus can be transmitted to humans from animals via exchange of saliva though bites or scratches. There is no human vaccination for this virus, however domesticated animals can be vaccinated against it.

a)

Influenza A H1N1

b)

Norovirus

c)

Hepatitis C

d)

Rabies

e)

Influenza

62.

There are three types of this virus: A, B, and C. This is a highly contagious virus that infects the respiratory system. There is a seasonal vaccine for this virus.

a)

Influenza A H1N1

b)

Norovirus

c)

Hepatitis C

d)

Rabies

e)

Influenza

63.

When a virus infects a bacterium, what does the virus inject into the cell?

a)

viral nucleic acids

b)

capsid proteins

c)

hormones

d)

tail fibers

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