Microbes in Aquatic Environment Questions

• 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.
• 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
• Trickling filter comes under
• Removal of solids is generally considered as a
• Activated sludge undergoes
• 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
• Chemical precipitation of phosphorus is
• Which of the following is correct?
• All of the following species are considered coliforms except
• Coliforms are used as indicator organisms because
• The rate of flux of oxygen in air is __________ to/than the rate of flux of oxygen in water.
• __________ is an environment like __________ where microorganisms are functioning in an extremely thin film of water and where oxygen-containing air is close to them.
• Which of the following is correct?
• Hyphomycete fungi
• The sulfur pearl of Namibia, Thiomargarita namibiensis
• Loss of carbon through the microbial loop in oligotrophic environments is __________ to/than the loss of carbon through the microbial loop in copiotrophic environments.
• Which of the following species in water reveal the presence of fecal pollution of human or animal origin?
• Members of all of the following genera of bacteria typically are found in a maturing Winogradsky column except
• The Redfield ratio is an index of concentration of
• Which of the following is correct?