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Microbiology of Waste Water

Microbiology of Waste Water
The biogas production process takes place at the temperature

lesser than 25°C
45-60°C
all of these
25-40°C

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

a biodisc
a biofilm
the membrane filter technique
coagulation

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Microbiology of Waste Water
Activated sludge contains large number of

all of these
protozoa
bacteria
yeasts and molds

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Microbiology of Waste Water
Biogas production is

a temperature independent process
a temperature-dependent process
an oxygen dependent process
None of these

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

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

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

bioremediation
fermentation
pasteurization
biolistics

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