Measuring Biochemical Oxygen Demand (BOD) is a method used for:
Correct answer: A. Estimating the amount of organic matter in sewage water.
- A. Estimating the amount of organic matter in sewage water.
- B. Working out the efficiency of oil driven automobile engines.
- C. Measuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale.
- D. Working out the efficiency of RBCs about their capacity to carry oxygen.
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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Ecosystems include biotic and abiotic components, food chains and webs, energy flow, nutrient cycles, populations and ecological relationships. Pollution and conservation cover air, water, soil and noise pollution, their effects on organisms, biodiversity loss, protected areas, sustainable resource use and methods for reducing environmental damage.
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