water quality Archives - Medical Microbiology & RDT Labs

Due to gradually increasing population the number of industries is also increasing. This results in increased pollution. The chemically oxidisable

What is biological oxygen demand?

Water bodies also contain living life in the form of microorganisms. These microorganisms feed on the organic matter present in

BOD is the index of water pollution. In the presence of organic and inorganic waste products numerous microorganisms grow .

Some amount of oxygen is dissolved in water which is used by aquatic plants and animals. The sources of dissolved