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Microbiology of Waste Water

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

dinoflagellates
coliforms
bacteroids
acid-fast bacteria

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Microbiology of Waste Water
Which of the following is not employed as an oxidation method?

Contact aerators
Trickling filters
Oxidation ponds
All of these

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

fermentation
bioremediation
biolistics
pasteurization

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Microbiology of Waste Water
Iron bacteria can produce

slime
undesirable odors and tastes
both (a) and (b)
extreme acidity

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Microbiology of Waste Water
A dense bacterial population caught in a tangled web of fibers sticking to a surface describes

a biodisc
coagulation
a biofilm
the membrane filter technique

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

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

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