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Microbes in Aquatic Environment

Microbes in Aquatic Environment
Trickling filter comes under

none of these
primary treatment
tertiary treatment
secondary treatment

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Microbes in Aquatic Environment
Chemical precipitation of phosphorus is

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

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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
The sulfur pearl of Namibia, Thiomargarita namibiensis

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

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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

half
lesser
approximately equal to
greater

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

Rhodospirillum
Chlorobium
Clostridium
Escherichia

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