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Microbiology of Waste Water

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

a biofilm
a biodisc
coagulation
the membrane filter technique

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

70% of methane produced in a biogas reactor
50% 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 organic carbon wastes but poor in phosphate
water rich in phosphate wastes but poor in organic carbon
None of these
water that are anoxic

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

bioremediation
biotechnology
bioinformatics
biolistics

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

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

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

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

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