Question
Environmental Studies Question on Water (Oceans, Rivers, Lakes, and Glaciers)
Which of the following zone in a lake/pond will have the highest biochemical oxygen demand(BOD) ?
A
Epilimnion
B
Euphotic zone
C
Littoral zone
D
Benthic zone
Answer
Benthic zone
Explanation
Solution
The correct answer is (D) : Benthic zone.