C HAPTER 16: D IVERSITY OF B ACTERIA
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
16.1 Multiple Choice Questions
1. Which phylum harbors the most functional diversit y observed and also has
the most cultured representatives?
A) Actinobacteria
B) Bacteroidetes
C) Firmicutes
D) Proteobacteria
2. Isolating a bacterium of the _______ class would be of high impact due to
it onl y having one cultured representative.
A) Alphaproteobacteria
B) Betaproteobacteria
C) Epsilonproteobacteria
D) Zetaproteobacteria
3. Which genus would you most likel y find in the photic layer of the oceans
due to its abundance and aerobic chemoorganotrophic phenot ype?
A) Acetobacter
B) Nitrosomonas
C) Paracoccus
D) Pelagibacter
4. Which of the following traits is NOT a characteristic of Caulobacter?
A) abundant in aquatic habitats rich in nutrients
, B) produces a cytoplasmic outgrowth (prostheca)
C) aerobic chemoorganotrophs
D) asymmetric cell division
5. Treating wastewater requires the rem oval of organic material, and an ideal
phenot ype of a bacterium to do this would flocculate to make the cells
settle (rather than staying in suspension) in a wastewater stream. Which
species would be best for this application?
A) Bartonella quintana
B) Burkholderia cepacia
C) Wolbachia pipientis
D) Zoogloea ramigera
6. Which characteristic is NOT associated with Vibrio spp.?
A) aquatic
B) gliding motilit y
C) gram-negative
D) pathogenic
7. Which of the following best distinguishes deltaproteobacteria from
epsilonproteobacteri a?
A) Deltaproteobacteria are most commonl y found at anoxic -oxic
interfaces while epsilonbacteria are most commonl y found in anoxic
environements.
B) Many epsilonbacteria oxidize sulfur compounds, which could be
produced by a sulfur -reducing deltaproteobacteri um.
C) A sulfate-reducing epsilonbacterium produces sulfite, which a
deltaproteobacterium reduces further to hydrogen sulfide.
D) An epsilonbacterium reduces sulfur compounds whereas all
deltaproteobacteria oxidize sulfur compounds.
, 8. Campylobacter and Helicob acter are two genera within the _______ class
of Proteobacteria.
A) Alphaproteobacteria
B) Betaproteobacteria
C) Deltaproteobacteria
D) Epsilonproteobacteria
9. While not all members of are pathogenic, two medicall y relevant species
cause meningitis and gonorrhea i n humans.
A) Enterobacter
B) Neisseria
C)
D) Staphylococcus
10.Chemolithotrophic ammonia -oxidization is a metabolic requirement for
members of
A)
B)
C) Nitrosomonas and
D) Nitrosomonas, Nitrosospira, and Nitropseudomonas.
11.Bios ynthesis of vitamin K (menaquinone) by ______ spp. inhabiting the
______ of humans is a potentiall y important mutualistic relationship for
human health.
A) Bifidobacterium / intestinal tract
B) Bifidobacterium / stomach
C) Escherichia / intestinal tract
D) Escherichia / stomach
12.A gram-negative, obligatel y aerobic, bacillus-shaped bacterium that can
degrade a large variety or aromatic compounds (making them potentiall y
useful for bioremediation) is likel y a(n)
Test Bank for Brock Biology of Microorganism 16th Edition by Michael T.
Madigan
16.1 Multiple Choice Questions
1. Which phylum harbors the most functional diversit y observed and also has
the most cultured representatives?
A) Actinobacteria
B) Bacteroidetes
C) Firmicutes
D) Proteobacteria
2. Isolating a bacterium of the _______ class would be of high impact due to
it onl y having one cultured representative.
A) Alphaproteobacteria
B) Betaproteobacteria
C) Epsilonproteobacteria
D) Zetaproteobacteria
3. Which genus would you most likel y find in the photic layer of the oceans
due to its abundance and aerobic chemoorganotrophic phenot ype?
A) Acetobacter
B) Nitrosomonas
C) Paracoccus
D) Pelagibacter
4. Which of the following traits is NOT a characteristic of Caulobacter?
A) abundant in aquatic habitats rich in nutrients
, B) produces a cytoplasmic outgrowth (prostheca)
C) aerobic chemoorganotrophs
D) asymmetric cell division
5. Treating wastewater requires the rem oval of organic material, and an ideal
phenot ype of a bacterium to do this would flocculate to make the cells
settle (rather than staying in suspension) in a wastewater stream. Which
species would be best for this application?
A) Bartonella quintana
B) Burkholderia cepacia
C) Wolbachia pipientis
D) Zoogloea ramigera
6. Which characteristic is NOT associated with Vibrio spp.?
A) aquatic
B) gliding motilit y
C) gram-negative
D) pathogenic
7. Which of the following best distinguishes deltaproteobacteria from
epsilonproteobacteri a?
A) Deltaproteobacteria are most commonl y found at anoxic -oxic
interfaces while epsilonbacteria are most commonl y found in anoxic
environements.
B) Many epsilonbacteria oxidize sulfur compounds, which could be
produced by a sulfur -reducing deltaproteobacteri um.
C) A sulfate-reducing epsilonbacterium produces sulfite, which a
deltaproteobacterium reduces further to hydrogen sulfide.
D) An epsilonbacterium reduces sulfur compounds whereas all
deltaproteobacteria oxidize sulfur compounds.
, 8. Campylobacter and Helicob acter are two genera within the _______ class
of Proteobacteria.
A) Alphaproteobacteria
B) Betaproteobacteria
C) Deltaproteobacteria
D) Epsilonproteobacteria
9. While not all members of are pathogenic, two medicall y relevant species
cause meningitis and gonorrhea i n humans.
A) Enterobacter
B) Neisseria
C)
D) Staphylococcus
10.Chemolithotrophic ammonia -oxidization is a metabolic requirement for
members of
A)
B)
C) Nitrosomonas and
D) Nitrosomonas, Nitrosospira, and Nitropseudomonas.
11.Bios ynthesis of vitamin K (menaquinone) by ______ spp. inhabiting the
______ of humans is a potentiall y important mutualistic relationship for
human health.
A) Bifidobacterium / intestinal tract
B) Bifidobacterium / stomach
C) Escherichia / intestinal tract
D) Escherichia / stomach
12.A gram-negative, obligatel y aerobic, bacillus-shaped bacterium that can
degrade a large variety or aromatic compounds (making them potentiall y
useful for bioremediation) is likel y a(n)
