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