South Carolina Science Grade 7

Chapter 3: Bacteria, Protists, and Fungi

Standardized Test Practice

1.
What type of organism is shown in the diagram?

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A)bacterium
B)fungus
C)plant
D)protist
2.
What is the function of the cilia in the diagram?

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A)defense
B)movement
C)digestion
D)feeding
3.
What is the purpose of this machine?

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A)to kill harmful bacteria in food
B)to improve the flavor of food
C)to ferment foods that contain bacteria
D)to add antibiotics to food
4.
Tooth decay is caused by
A)bacteria.
B)algae.
C)fungi.
D)protists.
5.
Which of the following is an example of a plantlike protist?
A)mold
B)amoebas
C)downy mildew
D)algae
6.
Like plant cells, the cells of fungi contain
A)chloroplasts.
B)contractile vacuoles.
C)cell walls.
D)circular chromosomes.
7.
The body of a fungus is usually a mass of threadlike tubes called
A)cilia.
B)hyphae.
C)sporangia.
D)mushrooms.
8.
When a fungus and an alga live together, they form a
A)downy mildew.
B)slime mold.
C)lichen.
D)mycorrhizae.
9.
How do mycorrhizae help plants?
A)They fix nitrogen.
B)They produce antibiotics.
C)They increase absorption around the roots.
D)They serve as an indicator of pollution in the soil.
10.
Rod-shaped bacteria are called
A)cocci.
B)spirilla.
C)eubacteria.
D)bacilli.
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