Microbiology, 9e (Tortora)
Chapter 27
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Chapter 27
Objective Questions
Microbiology, 9e (Tortora)
Chapter 27
1)
Microbiology, 9e (Tortora)
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Which of the following is not a habitat for an extremophile?
Microbiology, 9e (Tortora)
Chapter 27
A)
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Acid mine wash
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B)
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The Atlantic Ocean
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C)
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Inside rock
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D)
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Salt-evaporating pond
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E)
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100°C water
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Chapter 27
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2)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following organisms is using sulfur as a source of energy?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Thiobacillus: H2S → S0
Microbiology, 9e (Tortora)
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B)
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Chapter 27
Desulfovibrio: SO42- → H2S
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C)
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Proteus: Amino acids → H2S
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D)
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Redwood tree: SO42- → Amino acids
Microbiology, 9e (Tortora)
Chapter 27
E)
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Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
3)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following is not a symbiotic pair of organisms?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Elk and rumen bacteria
Microbiology, 9e (Tortora)
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B)
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Chapter 27
Orchid and mycorrhizae
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Chapter 27
C)
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Chapter 27
Onions and arbuscules
Microbiology, 9e (Tortora)
Chapter 27
D)
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Chapter 27
Bean plant and Rhizobium
Microbiology, 9e (Tortora)
Chapter 27
E)
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Sulfur and Thiobacillus
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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4)
Microbiology, 9e (Tortora)
Chapter 27
In which of the following animals would you expect to find a specialized organ that holds cellulose-degrading bacteria and fungi?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Cat
Microbiology, 9e (Tortora)
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B)
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Chapter 27
Dog
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C)
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Termite
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D)
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Human
Microbiology, 9e (Tortora)
Chapter 27
E)
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Chapter 27
Wolf
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
5)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following pairs is mismatched?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Rhizobium legumes
Microbiology, 9e (Tortora)
Chapter 27
B)
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Chapter 27
Bacillus thuringiensis insect control
Microbiology, 9e (Tortora)
Chapter 27
C)
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Chapter 27
Thiobacillus ferrooxidans uranium mining
Microbiology, 9e (Tortora)
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D)
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Chapter 27
Frankia alders
Microbiology, 9e (Tortora)
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E)
Microbiology, 9e (Tortora)
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Lichen an alga and a bacterium
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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6)
Microbiology, 9e (Tortora)
Chapter 27
The addition of untreated sewage to a freshwater lake would cause the biochemical oxygen demand to
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Increase.
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B)
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Decrease.
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C)
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Chapter 27
Stay the same.
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D)
Microbiology, 9e (Tortora)
Chapter 27
Can't tell.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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7)
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Chapter 27
Coal formation
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Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Requires aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Requires anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
8)
Microbiology, 9e (Tortora)
Chapter 27
A trickling filter
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Requires aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
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Chapter 27
Requires anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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9)
Microbiology, 9e (Tortora)
Chapter 27
6H2S + 6CO2 6S0 + glucose
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
10)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Requires aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Requires anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
11)
Microbiology, 9e (Tortora)
Chapter 27
Sludge digestion
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
12)
Microbiology, 9e (Tortora)
Chapter 27
Primary sewage treatment
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
13)
Microbiology, 9e (Tortora)
Chapter 27
NH3 → NO2-
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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14)
Microbiology, 9e (Tortora)
Chapter 27
Bioremediation of petroleum
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under aerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Takes place under anaerobic conditions.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen doesn't make any difference.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
15)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following equations represents anaerobic respiration?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
H2S → S0
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
NO3- → NO2-
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Amino acids → H2S
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
SO42- → Amino acids
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
16)
Microbiology, 9e (Tortora)
Chapter 27
Biochemical oxygen demand is a measure of
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
The number of bacteria present in a water sample.
Microbiology, 9e (Tortora)
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B)
Microbiology, 9e (Tortora)
Chapter 27
The amount of oxygen present in a water sample.
Microbiology, 9e (Tortora)
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C)
Microbiology, 9e (Tortora)
Chapter 27
The amount of organic matter present in a water sample.
Microbiology, 9e (Tortora)
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D)
Microbiology, 9e (Tortora)
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The amount of undissolved solid matter present in a water sample.
Microbiology, 9e (Tortora)
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E)
Microbiology, 9e (Tortora)
Chapter 27
All of the above.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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17)
Microbiology, 9e (Tortora)
Chapter 27
Eighty-one percent of the microorganisms in the soil are
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Actinomycetes.
Microbiology, 9e (Tortora)
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B)
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Chapter 27
Algae
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C)
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Bacteria.
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D)
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Chapter 27
Fungi.
Microbiology, 9e (Tortora)
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E)
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Protozoa.
Microbiology, 9e (Tortora)
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Microbiology, 9e (Tortora)
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18)
Microbiology, 9e (Tortora)
Chapter 27
Most of the microorganisms in the soil are found at a depth
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Between 3 and 8 cm.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Between 20 and 25 cm.
Microbiology, 9e (Tortora)
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C)
Microbiology, 9e (Tortora)
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Between 35 and 40 cm.
Microbiology, 9e (Tortora)
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D)
Microbiology, 9e (Tortora)
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Between 65 and 75 cm.
Microbiology, 9e (Tortora)
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E)
Microbiology, 9e (Tortora)
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Evenly distributed from the surface to 76 cm.
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
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19)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following terms describes NO3- → N2?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Ammonification
Microbiology, 9e (Tortora)
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B)
Microbiology, 9e (Tortora)
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Denitrification
Microbiology, 9e (Tortora)
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C)
Microbiology, 9e (Tortora)
Chapter 27
Nitrification
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
20)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following terms describes N2 → NH3?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Ammonification
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Denitrification
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Nitrification
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
21)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following terms describes NH3 → NO2- → NO3-?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Ammonification
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Denitrification
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Nitrification
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
22)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following terms describes Amino acids (-NH2) → NH3?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Ammonification
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Denitrification
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Nitrification
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
23)
Microbiology, 9e (Tortora)
Chapter 27
Nitrosomonas and Nitrobacter are capable of
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Ammonification.
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Denitrification.
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Nitrification.
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation.
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
]
Microbiology, 9e (Tortora)
Chapter 27
24)
Microbiology, 9e (Tortora)
Chapter 27
This process is done by Rhizobium and certain cyanobacteria:
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Ammonification
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Denitrification
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Nitrification
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Nitrogen fixation
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)
Chapter 27
Microbiology, 9e (Tortora)
Chapter 27
25)
Microbiology, 9e (Tortora)
Chapter 27
Which of the following is an assimilation process?
Microbiology, 9e (Tortora)
Chapter 27
A)
Microbiology, 9e (Tortora)
Chapter 27
Thiobacillus: H2S → S0
Microbiology, 9e (Tortora)
Chapter 27
B)
Microbiology, 9e (Tortora)
Chapter 27
Desulfovibrio: SO42- → H2S
Microbiology, 9e (Tortora)
Chapter 27
C)
Microbiology, 9e (Tortora)
Chapter 27
Proteus: Amino acids → H2S
Microbiology, 9e (Tortora)
Chapter 27
D)
Microbiology, 9e (Tortora)
Chapter 27
Redwood tree: SO42- → Amino acids
Microbiology, 9e (Tortora)
Chapter 27
E)
Microbiology, 9e (Tortora)
Chapter 27
None of the above
Microbiology, 9e (Tortora)