AIPMT 2012 Biology Solved Paper

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Question : 21 of 100

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Measuring Biochemical Oxygen Demand (BOD) is a method used for:

estimating the amount of organic matter in sewage water.
working out the efficiency of oil driven automobile engines.
measuring the activity of Saccharomyces cerevisae in producing curd on a commercial scale.
working out the efficiency of R.B.Cs. about their capacity to carry oxygen.

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