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Microbes in Aquatic Environment

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
approximately equal
lesser

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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.

greater
approximately equal
half
lesser

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Microbes in Aquatic Environment
Chemical precipitation of phosphorus is

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

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Microbes in Aquatic Environment
The Redfield ratio is an index of concentration of

carbon, phosphorous and sulfur
carbon, hydrogen and oxygen
nitrogen, potassium and iron
carbon, nitrogen and phosphorous

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Microbes in Aquatic Environment
Trickling filter comes under

primary treatment
tertiary treatment
secondary treatment
none of these

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Microbes in Aquatic Environment
The sulfur pearl of Namibia, Thiomargarita namibiensis

Both (a) and (b)
stores high concentrations of nitrate in a huge internal vacuole which takes up 98% of the organisms volume
is the worlds largest bacterium
is the worlds smallest bacterium

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