In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.Assertion (A) : If BOD level of water in a reservoir is less than 5 ppm it is highly polluted.Reason (R) : High biological oxygen demand means low activity of bacteria in water.(i) Both A and R are correct and R is the correct explanation of A.(ii) Both A and R are correct but R is not the correct explanation of A.(iii) Both A and R are not correct.(iv) A is not correct but R is correct.

In the following questions a statement of Assertion (A) followed by a

1.	In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct option out of the choices given below each question.Assertion (A) : If BOD level of water in a reservoir is less than 5 ppm it is highly polluted.Reason (R) : High biological oxygen demand means low activity of bacteria in water.(i) Both A and R are correct and R is the correct explanation of A.(ii) Both A and R are correct but R is not the correct explanation of A.(iii) Both A and R are not correct.(iv) A is not correct but R is correct.
Answer» (iii) Both A and R are not correct.

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