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Microbes in Aquatic Environment

Microbes in Aquatic Environment
Chemical precipitation of phosphorus is

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

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Microbes in Aquatic Environment
Loss of carbon through the microbial loop in oligotrophic environments is __________ to/than the loss of carbon through the microbial loop in copiotrophic environments.

half
greater
lesser
approximately equal

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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.

lesser
half
approximately equal
greater

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Microbes in Aquatic Environment
Removal of solids is generally considered as a

Primary treatment
Secondary treatment
Tertiary treatment
None of these

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Microbes in Aquatic Environment
Activated sludge undergoes

any of these
Primary treatment
Secondary treatment
Tertiary treatment

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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?

All of these
Fecal Streptococci
E.coli
Clostridium perfringens

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