The BOD values of water indicate the (1) amount of organic debris (2) amount of oxygen used for biochemical oxidation (3) amount of oxygen used for biochemical reduction (4) amount of ozone used for biochemical oxidation Answer : amount of oxygen used for biochemical oxidation...
72. Measuring Biochemical Oxygen Demand (BOD) is a method used for (1) Working out the efficiency of R.B.Cs. about their capacity to carry oxygen (2) Estimating the amount of ... driven automobile engines (4) Measuring the activity of Sacccharomyces cerevisae in producing curd on a commercial scale Answer : Estimating the amount of organic matter is sewage water...
Biochemical Oxygen Demand (BOD) of sewage is the (a) Oxygen required to oxidise (b) Oxygen required to oxidise biologically inactive organic matter* (c) a and b both (d) none of these Answer : (b) Oxygen required to oxidise biologically inactive organic matter*...
Eutrophication of a water body enhances (1) Organic matter production (2) Biological oxygen demand (3) Both (1) and (2) (4) Neither (1) nor (2) Answer : Both (1) and (2) ...
10. High biological oxygen demand in a water body means ________ a. Water is not polluted b. Water is polluted c. Waterbody contains lots of lifeforms d. None of the above Answer : Ans: Water is polluted...
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