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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
zoological film
none of these
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

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

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Microbiology of Waste Water
The magnitude of BOD of wastewater is related to

bacterial count
All of these
amount of organic material
amount of inorganic material

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

Oxidation ponds
All of these
Contact aerators
Trickling filters

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

biolistics
fermentation
bioremediation
pasteurization

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

bioremediation
biolistics
biotechnology
bioinformatics

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