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- Given below are two statements : Statement I : In polluted water values of both dissolved oxygen and BOD are very low. Statement II : Eutrophicati
- #Environmental Chemistry
- #Engineering
- #JEE Main
- #Chemistry
- #Class 11
- #Joint Entrance Examination Main
Given below are two statements :
Statement I : In polluted water values of both dissolved oxygen and BOD are very low.
Statement II : Eutrophication results in decrease in the amount of dissolved oxygen.
In the light of the above statements, choose the most appropriate answer from the options given below :
Both Statement I and Statement II are true
Both Statement I and Statement II are false
Statement I is true but Statement II is false
Statement I is false but Statement II is true
Answers (1)
Eutrophication is a process due to which excessive growth of weed in water bodies takes place going to increase in pollution levels.
Eutrophication leads to decrease in amount of dissolved oxygen in water bodies.
As the amount of dissolved oxygen decreases , value of BOD [Biological oxygen demand] increase.
So statement I is false and statement II is true.
Hence option (D) is correct.
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