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Microbiology of Waste Water

Microbiology of Waste Water
Activated sludge contains large number of

bacteria
all of these
protozoa
yeasts and molds

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Microbiology of Waste Water
The death of a river by environmental pollutants ultimately results from

the overabundance of toxic proteins
the depletion of oxygen
the buildup of sediment on the river bottom
the overpopulation of algae

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

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

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

pasteurization
fermentation
bioremediation
biolistics

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Microbiology of Waste Water
What is an anaerobic digester?

New diet drink
All of these
Microbe that eats hazardous waste
Method to convert agricultural waste into a biogas

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

Storm sewers
Solid sewers
Combined sewers
Sanitary sewers

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