EXAMIANS
Trickling filter comes under
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Activated sludge undergoes
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Because it can be used with a variety of media and allow a resuscitation step the __________ technique has become the common and often preferred method of evaluating the microbiological characteristics of water.
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The Redfield ratio is an index of concentration of
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Removal of solids is generally considered as a
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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
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Which of the following species in water reveal the presence of fecal pollution of human or animal origin?
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__________ is an environment like __________ where microorganisms are functioning in an extremely thin film of water and where oxygen-containing air is close to them.
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The sulfur pearl of Namibia, Thiomargarita namibiensis
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Coliforms are used as indicator organisms because
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