The water quality of a pond was analysed and its BOD was found to be 4. The pond has : (A) Water has high amount of fluoride compounds (B) Highly polluted water (C) Very clean water (D) Slightly pollu

Question

The water quality of a pond was analysed and its BOD was found to be 4. The pond has :

(A) Water has high amount of fluoride compounds
(B) Highly polluted water
(C) Very clean water
(D) Slightly polluted water

Prashant Kotian · Accepted Answer

Correct answer: C. If BOD value less than 5 than water is clean water. (Given in NCERT Page No. 415 in class 11)

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