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Worksheetsviruses
Total questions: 21
Worksheet time: 24mins
Name
Class
Date
1.
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
2.
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
3.
A(n) _____ is a virus that enters a bacterial cell.
a)
endospore
b)
decomposer
c)
plasmid
d)
bacteriophage
4.
When a virus invades a living cell, its _______
takes over the cell's functions.
takes over the cell's functions.
a)
outer coat
b)
genetic material
c)
core
d)
cytoplasm
5.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
6.
True or False
The flu is caused by a virus.
The flu is caused by a virus.
a)
true
b)
false
7.
Antibiotics kill viruses
a)
True
b)
False
8.
What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?
a)
tail
b)
nucleus
c)
capsid
d)
glycoprotein
9.
Which viral life cycle kills its host cell by lysing?
a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
10.
Which viral life cycle allows viral genetic material to lay dormant while the host cell reproduces?
a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
11.
What process is this?
a)
phagocytosis
b)
lytic cycle
c)
lysogenic cycle
d)
formation of antibodies
12.
What is shown here?
a)
Lysogenic Cycle
b)
Lytic Cycle
c)
Binary Fission
d)
Conjugation
13.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
14.
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
15.
Which can be treated with antibiotics?
a)
Virus
b)
Bacteria
c)
Mutagen
d)
Parasite
16.
Vaccines
a)
Prevent people from coming in contact with viruses
b)
give the immune system a preview of the virus
c)
Prevent all viral infections
d)
Only work on small children
17.
Viruses are larger than bacteria
a)
True
b)
False
18.
Viruses
a)
have many cells
b)
are misfolded proteins
c)
are a protein coat around genetic material
d)
endospores
19.
Viruses are _______.
a)
producers
b)
consumers
c)
parasites
d)
decomposers
20.
The outer protein coat of a virus is called a –
a)
DNA core
b)
Capsid
c)
Bacteriophage
d)
Tail sheath
21.
The projections on the surface of this virus allow the virus to —
a)
move inside a host cell
b)
attach to a host cell
c)
control a host cell’s DNA
d)
signal other viruses to infect a host cell
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