Multiple Choice
Identify the
letter of the choice that best completes the statement or answers the question.
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1.
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Which
of the bacteria is the cause of tooth decay? a. | staphylococci | c. | Treponema pallidum | b. | rickettsia | d. | streptococcus | | | | |
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2.
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Bacteria are used in _____. a. | farming | c. | the food industry | b. | the medical
industry | d. | all of
these | | | | |
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3.
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A
structure in some bacteria that is resistant to adverse environmental factors is a(n)
_____. a. | prophage | c. | autotroph | b. | endospore | d. | coccus | | | | |
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4.
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Which
of the following is NOT an evolutionary adaptation in bacteria? a. | They reproduce
rapidly. | b. | They have a high rate of mutation. | c. | They cannot
exist under adverse conditions. | d. | They can utilize substances harmful to other
organisms. | | |
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5.
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A(n)
_____ is a virus that infects a bacterial cell. a. | endospore | c. | plasmid | b. | decomposer | d. | bacteriophage | | | | |
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6.
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Viruses are found in _____. a. | air | c. | soil | b. | water | d. | all of these | | | | |
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7.
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Viruses are _____. a. | producers | c. | parasites | b. | consumers | d. | decomposers | | | | |
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8.
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Penicillin kills bacteria by _____. a. | consuming
them | b. | causing holes to
develop in their cell walls | c. | imprisoning them | d. | depriving them
of nutrients | | |
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9.
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The
name streptococcus tells you that the bacteria are arranged as _____. a. | pairs of round
cells | c. | groups of
spirals | b. | long chains of round cells | d. | chains of rods | | | | |
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10.
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Cyanobacteria are _____. a. | eubacterial heterotrophs | c. | salt-loving archaebacteria | b. | photosynthetic
autotrophs | d. | chemosynthetic
autotrophs | | | | |
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