JEE Main 15 Apr 2018 Shift 2 Solved Paper

Section: Chemistry

Question : 56 of 90

Marks: +1, -0

Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct -

[15 Apr 2018 Shift 2]

Anaerobic bacteria increase the BOD value
Aerobic bacteria decrease the BOD value
Polluted water has BOD value higher than 10 ppm
Clean water has BOD value higher than 10 ppm

Validate

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