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Microbiology of Waste Water

Microbiology of Waste Water
Activated sludge contains large number of

all of these
yeasts and molds
protozoa
bacteria

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

4 to 6 feet
1 to 3 feet
2 to 40 feet
5 to 8 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
What is an anaerobic digester?

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

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

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

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Microbiology of Waste Water
Iron bacteria can produce

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

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