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Microbiology of Waste Water

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

All of these
Contact aerators
Trickling filters
Oxidation ponds

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Microbiology of Waste Water
Iron bacteria can produce

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

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Microbiology of Waste Water
Oxidation ponds are shallow ponds, generally designed at the depth of

5 to 8 feet
1 to 3 feet
2 to 40 feet
4 to 6 feet

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Microbiology of Waste Water
The use of microbes to break down synthetic waste products such as polychlorinated biphenyls is called

biolistics
bioinformatics
bioremediation
biotechnology

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

biolistics
pasteurization
fermentation
bioremediation

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

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

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