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WorksheetsCh 7 Viruses, Bacteria, Protists, and Fungi Test
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
When a virus invades a living cell, the virus's genetic material
a)
takes over many of the cell's functions
b)
breaks apart
c)
attaches to the outside of the cell
d)
sends messages to other viruses
2.
A substance that stimulates the body to produce chemicals that destroy viruses or bacteria is called a
a)
poison
b)
vaccine
c)
cytoplasm
d)
toxin
3.
Bacteria are prokaryotes because
a)
they do not have genetic material
b)
their genetic material is not inside a cell
c)
their genetic material is not inside a nucleus
d)
they have a nucleus filled with genetic material
4.
Which is a characteristic shared by ALL protists?
a)
cells do not have a nucleus
b)
cells have a nucleus
c)
live in dry places
d)
live on the moon
5.
Like plants, algae
a)
can use the sun's energy to make food
b)
live only on land
c)
have roots, stems, and leaves
d)
live in dry places
6.
When fungi reproduce asexually
a)
two fungi exchange DNA
b)
cells at the tips of the hyphae divide to form spores
c)
the new fungi are different from the parent
d)
the hyphae of two fungi grow together
7.
A fungus living together with certain algae or bacteria is a
a)
algal bloom
b)
mutation
c)
lichen
d)
fungus-like protist
8.
Viruses are living things.
a)
true
b)
false
9.
All bacteria make their own food.
a)
True
b)
False
10.
Animal-like protists (protozoa) can move to get food.
a)
True
b)
False
11.
Viruses that immediately take over a cell's functions are _____ viruses.
a)
Active (lytic)
b)
Hidden (lysogenic)
c)
Hyphae
d)
Flagellum
12.
A whiplike structure that helps a bacterial cell move is a
a)
flagella
b)
cilia
c)
pseudopod
d)
hyphae
13.
Bacteria reproduce asexually in a process called
a)
spores
b)
binary fission
c)
hyphae
d)
cytokinesis
14.
Hairlike projections from cells that move with a wavelike motion are called
a)
flagella
b)
cilia
c)
pseudopods
d)
hyphae
15.
Branching, threadlike tubes that make up the body of fungi are called
a)
flagella
b)
cilia
c)
pseudopods
d)
hyphae
16.
The part of the virus labeled A is the virus's
a)
capsid
b)
genetic material (DNA)
c)
protein coat
d)
outer envelope
17.
How does the virus's protein coat help the virus invade a cell?
a)
The protein coat attacks and kills the cell.
b)
The protein coat gives the instructions for making new viruses.
c)
The protein coat causes the cell to burst open and release new viruses.
d)
The protein coat helps the virus attach to the cell it will infect.
18.
What is happening in the picture?
a)
Cilia are sweeping bits of food into the organism.
b)
Pseudopods are trapping bits of food.
c)
Flagella are reaching out to grab bits of food.
d)
Hyphae from two fungi are joining.
19.
The organism in the picture is a
a)
protozoan (animal-like protist)
b)
algae (plant-like protist)
c)
virus
d)
fungus-like protist
20.
The organism in the picture is a
a)
bacterium
b)
autotroph
c)
heterotroph
d)
virus
21.
What are the threadlike tubes labeled A in the diagram?
a)
cilia
b)
flagella
c)
pseudopods
d)
hyphae
22.
What part of the bacterial cell is labeled A in the diagram?
a)
cell membrane
b)
flagella
c)
cilia
d)
DNA
23.
What part of the bacterial cell is labeled B in the diagram?
a)
cell membrane
b)
cytoplasm
c)
cilia
d)
flagella
24.
What part of the bacterial cell is labeled C in the diagram?
a)
cell wall
b)
cytoplasm
c)
DNA
d)
flagella
25.
What part of the bacterial cell is labeled D in the diagram?
a)
cilia
b)
cytoplasm
c)
DNA
d)
flagella
26.
What part of the bacterial cell is labeled E in the diagram?
a)
cilia
b)
cytoplasm
c)
DNA
d)
flagella
27.
What part of the bacterial cell is labeled F in the diagram?
a)
cilia
b)
cytoplasm
c)
DNA
d)
flagella
28.
What part of the bacterial cell is labeled G in the diagram?
a)
cilia
b)
ribosomes
c)
DNA
d)
flagella
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