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Microbiology of Waste Water

Microbiology of Waste Water
Activated sludge contains large number of

protozoa
bacteria
all of these
yeasts and molds

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

70% of methane produced in a biogas reactor
85% 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
Water testing relies on the detection of certain indicator organisms known as

bacteroids
dinoflagellates
coliforms
acid-fast bacteria

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Microbiology of Waste Water
What is an anaerobic digester?

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

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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 phosphate wastes but poor in organic carbon
water rich in organic carbon wastes but poor in phosphate
water that are anoxic
None of these

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Microbiology of Waste Water
Treatment of municipal water supplies is based upon

filtration, coagulation, chlorination
chlorination, filtration, coagulation
coagulation, filtration, chlorination
coagulation, chlorination, filtration

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MORE MCQ ON Microbiology of Waste Water

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