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Microbiology of Waste Water

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

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

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

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Microbiology of Waste Water
Composting is one of the oldest forms of disposal of waste. It is the natural process of decomposition of organic waste that yields manure or compost. One of the following is added to the compost to get better results?

Worms
Ants
Snakes
Bugs

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Microbiology of Waste Water
Water testing relies on the detection of certain indicator organisms known as

bacteroids
coliforms
acid-fast bacteria
dinoflagellates

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

biotechnology
bioinformatics
biolistics
bioremediation

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