MCQ
Measuring Biochemical Oxygen Demand $\ce{(BOD)}$ is a method used for:
- AWorking out the efficiency of $\text{R.B.C.s.}$ about their capacity to carry oxygen.
- BMeasuring the activity of Saccharomyces cerevisiae in producing curd on a commercial scale.
- ✓Estimating the amount of organic matter in sewage water.
- DNone of these.