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WorksheetsVirus
Total questions: 10
Worksheet time: 15mins
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.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
3.
A virus may have DNA or RNA as its genetic material.
a)
True
b)
False
4.
The protein coat of a virus is known as the __________.
a)
capsid
b)
genome
c)
cell membrane
d)
envelope
5.
Which viral cycle takes the longest to show symptoms?
a)
Lysogenic
b)
Lytic
6.
What is the first step to both cycles?
a)
The virus attaches to a host
b)
the virus injects genetic material
c)
the host gets sick
d)
the cell is destroyed
7.
What is shown here?
a)
Lysogenic Cycle
b)
Lytic Cycle
c)
Binary Fission
d)
Conjugation
8.
What happens in the lysogenic cycle?
a)
Virus goes in and leaves the host cell
b)
Virus quickly kills the host cell
c)
Virus inject the nucleic acid into the host cell, and the nucleic acid integrates into the host cell DNA, and stay dormant for a long time
d)
Bacteria injects DNA into a host cell
9.
During the lytic infection by a virus, the host cell is-
a)
destroyed
b)
copied
c)
passed on to the lysogenic cycle
d)
not affected
10.
The lysing of a cell occurs in which phase?
a)
1
b)
2
c)
4
d)
5
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