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MICROBIOLOGY OF WASTE WATER

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

fermentation
pasteurization
biolistics
bioremediation

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Microbiology of Waste Water
Which of the following is not employed as an oxidation method?

Contact aerators
Oxidation ponds
All of these
Trickling filters

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

none of these
zoological film
geological film
zooglocal film

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

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

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

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