Q. Trickling filter comes under

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

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Q. 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

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

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Q. Hyphomycete fungi

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Q. Coliforms are used as indicator organisms because

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Q. Chemical precipitation of phosphorus is

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Q. The sulfur pearl of Namibia, Thiomargarita namibiensis

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Q. All of the following species are considered coliforms except

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Q. Removal of solids is generally considered as a

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Q. The Redfield ratio is an index of concentration of

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Q. Normally, due to the holding of the chilled fish

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Q. At higher temperatures, the souring of Oysters may be the result of the fermentation of sugars by

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Q. The red or pink color of the fish is generally caused from the growth of

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Q. The bacteria most often involved in the spoilage of fish are

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Q. The predominant kind of bacteria causing spoilage in fish at chilling temperature is

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Q. Marinated (sour pickled) fish should not have spoilage problems unless

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Q. In chilled shrimp __________ is chiefly responsible for spoilage.

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