Microbiology Chapter 11 Test Bank
Exam Questions and Answers
Which of the following bacteria is gram-positive?
A) Pseudomonas
B) Salmonella
C) Streptococcus
D) Bacteroides
E) Rickettsia - Answer-streptococcus
Escherichia coli belongs to the
A) proteobacteria.
B) gram-positive bacteria.
C) green sulfur bacteria.
D) spirochetes.
E) actinomycetes. - Answer-proteobacteria
Which one of the following bacteria does NOT belong with the others?
A) Bacillus
B) Escherichia
C) Lactobacillus
D) Staphylococcus
E) Streptococcus - Answer-escherichia
Which of the following statements about the causative agent of Rocky Mountain
spotted fever is FALSE?
A) It is an intracellular parasite.
B) It is transmitted by ticks.
C) It is in the genus Rickettsia.
D) It is gram-negative.
E) It is found in soil and water. - Answer-it is found in soil and water
) A primary difference between cyanobacteria and purple and green phototrophic
bacteria is
A) energy source.
B) cell wall type.
C) electron donor for CO2 reduction.
D) cell type.
E) color. - Answer-electron donar for CO2 reduction
Which one of the following bacteria does NOT belong with the others?
A) Bordetella
B) Burkholderia
C) Neisseria
D) Acidithiobacillus
E) Salmonella - Answer-salmonella
, Which of the following bacteria are responsible for more infections and more different
kinds of infections?
A) Streptococcus
B) Staphylococcus
C) Salmonella
D) Pseudomonas
E) Neisseria - Answer-stretococcus
Both Beggiatoa and the purple sulfur bacteria use H2S. These bacteria differ in that
Beggiatoa
A) uses H2S for an energy source.
B) uses H2S for a carbon source.
C) uses light energy.
D) belongs to the gammaproteobacteria.
E) is a heterotroph. - Answer-uses H2S for an energy source
The nonsulfur photosynthetic bacteria use organic compounds as
A) carbon sources.
B) electron donors to reduce CO2.
C) energy sources.
D) electron acceptors.
E) oxygen sources. - Answer-electron donors to reduce CO2
Which of the following is the best reason to classify Streptococcus in the
Lactobacillales?
A) Gram reaction
B) morphology
C) fermentation of lactose
D) rRNA sequences
E) found in dairy products - Answer-rRNA sequences
Streptomyces differs from Actinomyces because Streptomyces
A) makes antibiotics.
B) produces conidia.
C) forms filaments.
D) is a strict aerobe.
E) is a bacterium. - Answer-is a strict aerobe
All of the following bacteria are gram-positive. Which does NOT belong with the
others?
A) Actinomyces
B) Gardnerella
C) Corynebacterium
D) Listeria
E) Mycobacterium - Answer-listeria
Salmonella, Shigella, Yersinia, and Serratia are all
A) pathogens.
B) gram-negative facultatively anaerobic rods.
C) gram-positive aerobic cocci.
Exam Questions and Answers
Which of the following bacteria is gram-positive?
A) Pseudomonas
B) Salmonella
C) Streptococcus
D) Bacteroides
E) Rickettsia - Answer-streptococcus
Escherichia coli belongs to the
A) proteobacteria.
B) gram-positive bacteria.
C) green sulfur bacteria.
D) spirochetes.
E) actinomycetes. - Answer-proteobacteria
Which one of the following bacteria does NOT belong with the others?
A) Bacillus
B) Escherichia
C) Lactobacillus
D) Staphylococcus
E) Streptococcus - Answer-escherichia
Which of the following statements about the causative agent of Rocky Mountain
spotted fever is FALSE?
A) It is an intracellular parasite.
B) It is transmitted by ticks.
C) It is in the genus Rickettsia.
D) It is gram-negative.
E) It is found in soil and water. - Answer-it is found in soil and water
) A primary difference between cyanobacteria and purple and green phototrophic
bacteria is
A) energy source.
B) cell wall type.
C) electron donor for CO2 reduction.
D) cell type.
E) color. - Answer-electron donar for CO2 reduction
Which one of the following bacteria does NOT belong with the others?
A) Bordetella
B) Burkholderia
C) Neisseria
D) Acidithiobacillus
E) Salmonella - Answer-salmonella
, Which of the following bacteria are responsible for more infections and more different
kinds of infections?
A) Streptococcus
B) Staphylococcus
C) Salmonella
D) Pseudomonas
E) Neisseria - Answer-stretococcus
Both Beggiatoa and the purple sulfur bacteria use H2S. These bacteria differ in that
Beggiatoa
A) uses H2S for an energy source.
B) uses H2S for a carbon source.
C) uses light energy.
D) belongs to the gammaproteobacteria.
E) is a heterotroph. - Answer-uses H2S for an energy source
The nonsulfur photosynthetic bacteria use organic compounds as
A) carbon sources.
B) electron donors to reduce CO2.
C) energy sources.
D) electron acceptors.
E) oxygen sources. - Answer-electron donors to reduce CO2
Which of the following is the best reason to classify Streptococcus in the
Lactobacillales?
A) Gram reaction
B) morphology
C) fermentation of lactose
D) rRNA sequences
E) found in dairy products - Answer-rRNA sequences
Streptomyces differs from Actinomyces because Streptomyces
A) makes antibiotics.
B) produces conidia.
C) forms filaments.
D) is a strict aerobe.
E) is a bacterium. - Answer-is a strict aerobe
All of the following bacteria are gram-positive. Which does NOT belong with the
others?
A) Actinomyces
B) Gardnerella
C) Corynebacterium
D) Listeria
E) Mycobacterium - Answer-listeria
Salmonella, Shigella, Yersinia, and Serratia are all
A) pathogens.
B) gram-negative facultatively anaerobic rods.
C) gram-positive aerobic cocci.
