What is BOD? Give its definition and full form.
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Biochemical Oxygen Demand (BOD, also called Biological Oxygen Demand) is the amount of dissolved oxygen needed (i.e. demanded) by aerobic biological organisms to break down organic material present in a given water sample at certain temperature over a specific time period.
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BOD stands for Biochemical Oxygen Demand. Biochemical Oxygen Demand means the amount of oxygen dissolved in a water body, which is needed or required by the microorganisms, present in the water body, to break down organic material.
So, basically the oxygen demand of microorganisms to perform their work is known or defined as BOD.
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