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Microbiology of Waste Water

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

Sulfur bacteria
Slime forming bacteria
All of these
Iron bacteria

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Microbiology of Waste Water
Biogas production is

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

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

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

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

zooglocal film
geological film
zoological film
none 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
bioremediation
pasteurization

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Microbiology of Waste Water
The death of a river by environmental pollutants ultimately results from

the buildup of sediment on the river bottom
the overpopulation of algae
the overabundance of toxic proteins
the depletion of oxygen

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