Which of the option shows following example in ascending order in terms of BOD [GUJCET…
Biology · NEET · NTA Exams — Ecosystem
Which of the option shows following example in ascending order in terms of BOD [GUJCET 2014]
(i) Distilled water
(ii) Tap water
(iii) Sewage wastes drained in river
(i) Distilled water
(ii) Tap water
(iii) Sewage wastes drained in river
- i - ii - iii
- ii - i - iii
- iii - i - ii
- iii - ii - i
Answer
(A) i - ii - iii
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