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WorksheetsViruses Life Science 7.1
Total questions: 14
Worksheet time: 25mins
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.
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
3.
A(n) _____ is a virus that enters a bacterial cell.
a)
endospore
b)
decomposer
c)
plasmid
d)
bacteriophage
4.
What provides direct energy for the virus?
a)
food
b)
its host
c)
the sun
d)
a parasite
5.
Viruses are cells.
a)
True
b)
False
6.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
7.
Viruses can reproduce on their own
a)
False
b)
True
8.
Viruses
a)
have many cells
b)
are misfolded proteins
c)
are a protein coat around genetic material
d)
endospores
9.
Why do doctors suggest people get a flu vaccine every year?
a)
Flu viruses replicate more rapidly over time
b)
Flu viruses can mutate from year to year
c)
Vaccines are absorbed by the body after a year
d)
Vaccines get stronger over time
10.
Viruses are larger than bacteria
a)
True
b)
False
11.
All cells are either prokaryotic or eukaryotic.
a)
true
b)
false
12.
Viruses are found in _____.
a)
air
b)
water
c)
soil
d)
all of these
13.
Viruses are _______.
a)
producers
b)
consumers
c)
parasites
d)
decomposers
14.
Which of the following is one important difference between a virus and a bacterial cell?
a)
a virus is much larger in size than a bacterial cell
b)
a virus always causes more severe disease than a bacterial cell
c)
a virus can never reproduce on its own, but a bacterial cell can
d)
a virus does not contain genetic material, but a bacterial cell does
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