Worksheetsvirus
Total questions: 11
Worksheet time: 7mins
Name
Class
Date
1.
A virus can be classified by its type of
a)
mitochondria
b)
chromosomes
c)
nucleic acid
d)
carbohydrates
2.
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
3.
The reason 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
4.
A capsid is
a)
a structure that directly causes cell lysis
b)
the type of virus that attacks bacteria
c)
the genetic material of a virus
d)
the protein coat of a virus
5.
Viruses are cells.
a)
True
b)
False
6.
What is the 1st step of virus infection?
a)
Entry
b)
Attachment
c)
Replication
d)
Assembly
7.
Why are viruses considered to be nonliving organisms?
a)
They do not have genetic information.
b)
They are not able to move on their own.
c)
They do not interact with their environment.
d)
They are not able to reproduce without a host cell.
8.
a virus is __________ a cell.
a)
bigger than
b)
smaller than
c)
the same size as
d)
another word for
9.
The organism that a virus enters and uses is called a
a)
host
b)
parasite
c)
guest
d)
brujeria
10.
What provides direct energy for the virus?
a)
food
b)
its host
c)
the sun
d)
a parasite
11.
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
100 %
