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Question
Which prokaryotic organism is frequently used in laboratories for testing the given phenomenon?
Which prokaryotic organism is frequently used in laboratories for testing the given phenomenon?
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Solution
The correct option is C Escherichia coli
The biochemical oxygen demand (BOD) test is a crucial environmental index for monitoring organic pollutants in wastewater. Micro-organisms involved in biodegradation of organic matter in the receiving water body consume a lot of oxygen, and as a result there is a sharp decline in dissolved oxygen downstream from the point of sewage discharge. This causes mortality of fish and other aquatic creatures. The test for biochemical oxygen demand (BOD) is a bioassay procedure that measures the oxygen consumed by E.Coli bacteria from the decomposition of organic matter. The change in dissolved oxygen concentration is measured over a given period of time in water samples at a specified temperature.
The biochemical oxygen demand (BOD) test is a crucial environmental index for monitoring organic pollutants in wastewater. Micro-organisms involved in biodegradation of organic matter in the receiving water body consume a lot of oxygen, and as a result there is a sharp decline in dissolved oxygen downstream from the point of sewage discharge. This causes mortality of fish and other aquatic creatures. The test for biochemical oxygen demand (BOD) is a bioassay procedure that measures the oxygen consumed by E.Coli bacteria from the decomposition of organic matter. The change in dissolved oxygen concentration is measured over a given period of time in water samples at a specified temperature.
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