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

Rhodospirillum
Escherichia
Chlorobium
Clostridium

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

Enterobacter aerogenes
Salmonella typhi
Klebsiella pneumoniae
Escherichia coli

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Microbes in Aquatic Environment
Metabolism of dissolved organic material released by phytoplankton allows heterotrophic bacteria to become part of the particulate organic matter that is passed up the food web to be metabolized and released as mineral elements and CO2 at each transfer. This sentence describes the

Gibbs free energy
microbial loop
Winogradsky column
Redfield ratio

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Microbes in Aquatic Environment
Activated sludge undergoes

Primary treatment
Secondary treatment
any of these
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

half
greater
lesser
approximately equal to

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