Given below are two statements:
Statement I: If BOD is 4 ppm and dissolved oxygen is 8 ppm, then it is a good quality water.
Statement II: If the concentration of zinc and nitrate salts are 5 ppm each, then it can be a good quality water.
In the light of the above statements, choose the most appropriate answer from the options given below:
Select the correct option:
A
Both the statements I and II are incorrect
B
Statement I is incorrect but Statement II is correct
C
Both the statements I and II are correct
D
Statement I is correct but Statement II is incorrect
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