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Microbes in Aquatic Environment

Microbes in Aquatic Environment
Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except

Clostridium
Rhodospirillum
Escherichia
Chlorobium

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Microbes in Aquatic Environment
All of the following species are considered coliforms except

Enterobacter aerogenes
Salmonella typhi
Escherichia coli
Klebsiella pneumoniae

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Microbes in Aquatic Environment
The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water.

half
greater
lesser
approximately equal

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Microbes in Aquatic Environment
Chemical precipitation of phosphorus is

both (a) and (b)
secondary treatment
primary treatment
tertiary treatment

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Microbes in Aquatic Environment
The amount of oxygen dissolved in hypolimnion water in the winter is __________ to/than the amount of oxygen dissolved in hypolimnion water in the summer

greater
approximately equal to
lesser
half

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Microbes in Aquatic Environment
Which of the following species in water reveal the presence of fecal pollution of human or animal origin?

E.coli
Fecal Streptococci
All of these
Clostridium perfringens

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