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Microbiology of Waste Water

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

biotechnology
biolistics
bioremediation
bioinformatics

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

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

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Microbiology of Waste Water
Biogas production is

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

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Microbiology of Waste Water
Which of the following is responsible for the corrosion problem?

Slime forming bacteria
Iron bacteria
Sulfur bacteria
All of these

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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
Oxidation ponds are shallow ponds, generally designed at the depth of

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

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