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Microbiology of Waste Water

Microbiology of Waste Water
Which of the following is generally not referred to the sewerage system?

Storm sewers
Combined sewers
Sanitary sewers
Solid sewers

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Microbiology of Waste Water
The concept of putting microbes to help clean up the environment is called

fermentation
pasteurization
biolistics
bioremediation

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Microbiology of Waste Water
Water testing relies on the detection of certain indicator organisms known as

bacteroids
coliforms
acid-fast bacteria
dinoflagellates

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Microbiology of Waste Water
The magnitude of BOD of wastewater is related to

amount of inorganic material
amount of organic material
bacterial count
All of these

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Microbiology of Waste Water
The acetate-utilizing methanogens are responsible for

50% of methane produced in a biogas reactor
70% of methane produced in a biogas reactor
20% of methane produced in a biogas reactor
85% of methane produced in a biogas reactor

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Microbiology of Waste Water
Some cyanobacteria produce potent neurotoxins that, if ingested, will kill humans. These cyanobacteria are most likely to contaminate

water rich in phosphate wastes but poor in organic carbon
water rich in organic carbon wastes but poor in phosphate
None of these
water that are anoxic

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