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Statement-I: If BOD is 4 ppm and dissolved oxygen is 8ppm, then it is a good quality water. Statement-II: If the concent…

Q1

Statement-I: If BOD is 4 ppm and dissolved oxygen is 8ppm, then it is a good quality water.

Statement-II: If the concentration of zinc and nitrate salts are 5ppm 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:

[JEE Main 2023, 11 Apr (Shift 1)]

a

Both the Statements-I and II are incorrect

b

Statement-I is incorrect but Statement-II is correct

c

Both the Statement-I and II are correct

d

Statement-I is correct but Statement-II is incorrect

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