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