and sugar mill effluent (SE) have been arranged in ascending order?
(a) SE < S < PE < DE
(b) SE < PE < 5 < DE
(c) PE < S < SE < DE
(d) S < DE < PE < SE
[CBSE AIPMT 2007]
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In which one of the following, the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE)
In which one of the following, the BOD (Biochemical Oxygen Demand) of sewage (S), distillery effluent (DE), paper mill effluent (PE)
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Correct Option (d) Reason : The ascending order of BOD is Sewage (S) < Distillary Effluent (DE) < Paper Mill Effluent (PE) < Sugar Mill Effluent (SE).