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Microbiology of Waste Water

Microbiology of Waste Water
Activated sludge contains large number of

yeasts and molds
protozoa
bacteria
all of these

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Microbiology of Waste Water
What is an anaerobic digester?

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

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

bioinformatics
biolistics
bioremediation
biotechnology

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Microbiology of Waste Water
Iron bacteria can produce

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

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Microbiology of Waste Water
The filtering medium of trickling filters is coated with microbial flora, known as

zoological film
none of these
geological film
zooglocal film

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

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

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