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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
What is an anaerobic digester?

All of these
New diet drink
Method to convert agricultural waste into a biogas
Microbe that eats hazardous waste

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

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

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Microbiology of Waste Water
Activated sludge contains large number of

bacteria
protozoa
yeasts and molds
all of these

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

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

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

biolistics
fermentation
pasteurization
bioremediation

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