WorksheetsViruses
Total questions: 13
Worksheet time: 12mins
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 virus can be classified by its type of
a)
mitochondria
b)
chromosomes
c)
nucleic acid
d)
carbohydrates
4.
A(n) _____ is a virus that enters a bacterial cell.
a)
endospore
b)
decomposer
c)
plasmid
d)
bacteriophage
5.
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
6.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
7.
True or False
The flu is caused by a virus.
The flu is caused by a virus.
a)
true
b)
false
8.
Antibiotics kill viruses
a)
True
b)
False
9.
What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?
a)
tail
b)
nucleus
c)
capsid
d)
glycoprotein
10.
Which viral life cycle kills its host cell by lysing?
a)
lytic
b)
mitosis
c)
lysogenic
d)
S phase
11.
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
12.
Which of these is an animal virus?
a)
Tobacco mosaic virus
b)
bacteriophage
c)
influenza
13.
Which of these is a plant virus?
a)
tobacco mosaic virus
b)
bacteriophage
c)
influenza
d)
polio
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