Biology: The Dynamics of Life, California Edition

Chapter 18: Viruses and Bacteria

Viruses and Bacteria

1.
Which of the bacteria is the cause of pneumonia?
A)staphylococci
B)rickettsia
C)streptococcus pneumoniae
D)Treponema pallidum
2.
A structure in some bacteria that is resistant to adverse environmental factors is a(n) _____.
A)autotroph
B)prophage
C)coccus
D)endospore
3.
The name streptococcus tells you that the bacteria are arranged as _____.
A)chains of rods
B)groups of spirals
C)pairs of round cells
D)long chains of round cells
4.
Cyanobacteria are _____.
A)chemosynthetic autotrophs
B)photosynthetic autotrophs
C)salt-loving archaebacteria
D)eubacterial heterotrophs
5.
Penicillin kills bacteria by _____.
A)depriving them of nutrients
B)imprisoning them
C)consuming them
D)causing holes to develop in their cell walls
6.
Viruses are _____.
A)consumers
B)decomposers
C)producers
D)parasites
7.
Viruses are found in _____.
A)water
B)all of these
C)air
D)soil
8.
Which of the following processes brings about an exchange of genetic information between bacterial cells?
A)conjugation
B)binary fission
C)replication
D)mutualism
9.
Bacteria are used in _____.
A)farming
B)the food industry
C)the medical 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 cannot exist under adverse conditions.
C)They have a high rate of mutation.
D)They reproduce rapidly.
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