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Microbiology of Waste Water

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

geological film
none of these
zoological film
zooglocal film

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

5 to 8 feet
4 to 6 feet
2 to 40 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

fermentation
pasteurization
bioremediation
biolistics

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

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

Iron bacteria
All of these
Slime forming bacteria
Sulfur bacteria

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Microbiology of Waste Water
Which is not a form of biomass energy?

Incineration of solid waste
Composting to produce methane
Ethanol and methanol production for auto fuel
Photovoltaic production of hydrogen

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