Question:
Measuring Biochemical Oxygen Demand (BOD) is a method used for
Measuring Biochemical Oxygen Demand (BOD) is a method used for
Updated On: Jul 28, 2022
- Estimating the amount of organic matter in sewage water
- Working out the efficiency of oil driven automobile engines
- Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale
- Working out the efficiency of RBCs about their capacity to carry oxygen
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The Correct Option is A
Solution and Explanation
Biochemical oxygen demand (BOD) is the amount of oxygen taken up by microorganisms that decompose organic waste matter in water. It is therefore used as a measure of the amount of certain types of organic pollutant in water.
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Concepts Used:
Water Pollution
- Water pollution means the contamination of water bodies such as seas, lakes, rivers, aquifers, oceans, and groundwater caused majorly due to inhuman activities with industrial and agricultural effluents. It is the change of chemical, biological, or physical properties of water that will result in a destructive consequence for living organisms.
- Portable water is considered safe for human and animal consumption as well as used for drinking, cooking, crop irrigation, washing, etc,. Nowadays, chemicals, bacteria, and other pollutants are also influencing this. It adversely acts on all the living forms, directly or indirectly depending upon the source. The effects of water pollution can be felt for years to come.
Sources of Water Pollution:
The following are the major sources of Water Pollution:
- Domestic Waste
- Urbanization
- Deforestation
- Industrial effluents
- Social and Religious Practices
- Insecticides and pesticides
- Detergents and Fertilizers