Worksheetsviruses
Total questions: 20
Worksheet time: 25mins
Name
Class
Date
1.
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
2.
A virus can be classified by its type of
a)
mitochondria
b)
chromosomes
c)
nucleic acid
d)
carbohydrates
3.
What part of the phage is the DNA?
a)
A
b)
B
c)
C
d)
D
4.
Antibiotics kill viruses
a)
True
b)
False
5.
True or False
The flu is caused by a virus.
The flu is caused by a virus.
a)
true
b)
false
6.
A(n) _____ is a virus that enters a bacterial cell.
a)
endospore
b)
decomposer
c)
plasmid
d)
bacteriophage
7.
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
8.
What part of a virus is the protein capsule that houses the genetic material (DNA/RNA)?
a)
tail
b)
nucleus
c)
capsid
d)
glycoprotein
9.
Which type of replication allows viral genetic material to lay dormant while the host cell reproduces?
a)
active (lytic)
b)
mitosis
c)
hidden (lysogenic)
d)
cellular respiration
10.
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
11.
Which of these is a plant virus?
a)
tobacco mosaic virus
b)
bacteriophage
c)
influenza
d)
polio
12.
Which of these is an animal virus?
a)
Tobacco mosaic virus
b)
bacteriophage
c)
influenza
d)
Lyme disease
13.
Viruses are...
a)
prokaryotic
b)
eukaryotic
c)
non-living
d)
endospores
14.
Viruses
a)
have many cells
b)
are misfolded proteins
c)
are a protein coat around genetic material
d)
endospores
15.
Viruses can reproduce on their own
a)
False
b)
True
c)
Sometimes
16.
What is the main function of the projections on the surface of a virus?
a)
They aid in respiration
b)
They help the virus grow
c)
They help the virus invade its host by attaching to specific sites on the host
d)
They help the virus digest food molecules
17.
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
18.
Which can be treated with antibiotics?
a)
Virus
b)
Bacteria
c)
Mutagen
d)
Parasite
19.
What are pathogens?
a)
FDA
b)
MRSA
c)
Ebola
d)
Disease causing agents (germs)
20.
Which of the following is NOT a possible part of a virus?
a)
Capsid
b)
DNA
c)
Nucleus
d)
RNA
100 %
