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WorksheetsVirus Review
Total questions: 20
Worksheet time: 40mins
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.
A(n) _____ is a virus that enters a bacterial cell.
a)
endospore
b)
decomposer
c)
plasmid
d)
bacteriophage
3.
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
4.
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
5.
Antibiotics kill viruses
a)
True
b)
False
6.
Reasons that viruses are considered to be nonliving is because
a)
They are not cellular
b)
They cannot reproduce on their own
c)
They cannot make proteins
d)
all of the above
7.
Which of the following occurs 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
8.
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
9.
One reason that viruses are considered to be nonliving is that they are not made of ______.
a)
protein
b)
viruses
c)
bacteria
d)
cells
10.
What provides direct energy for the virus?
a)
food
b)
its host
c)
the sun
d)
a parasite
11.
Viruses are cells.
a)
True
b)
False
12.
The smallest and simpliest forms of life are called
a)
bacteria
b)
virus
c)
fungi
d)
protozoa
13.
What does a virus have on the inside?
a)
DNA, but never RNA
b)
RNA but never DNA
c)
DNA or RNA
d)
neither DNA or RNA
14.
Can a virus be good?
a)
Only when it kills my enemies
b)
Naw, son...
c)
maybe
d)
yes, when a scientist uses it for gene therapy
15.
What is gene therapy?
a)
when the virus acts as a messenger to carry DNA to a diseased cell.
b)
When a gene talks about its youth.
c)
Who's Gene?
d)
none of the above.
16.
A tiny, nonliving particle that invades and then reproduces inside a living cell.
a)
Bacteria
b)
Virus
c)
Protist
d)
Fungi
17.
Outer protein coat of a virus.
a)
Envelope
b)
Capsid
c)
Cell Wall
d)
Chitin
18.
Outer layer covering the capsid of many kinds of viruses.
a)
Cell Wall
b)
Capsid
c)
Envelope
d)
Chitin
19.
Viruses can reproduce (replicate) on a surface (ex: table, chair, etc.)
a)
True
b)
False
20.
Viruses are highly specific to the host cells that they can infect.
a)
True
b)
False
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