Environmental Issues

Select the correct statements regarding dissolved
Oxygen and Biochemical Oxygen Demand.

(A) BOD is inversely related to dissolved oxygen.

(B) Low dissolved oxygen and high BOD lead to
loss of aquatic life.

(C) High BOD leads to high dissolved oxygen.

(D) Both BOD and dissolved oxygen are indicator of
health of a water body.

(E) Both BOD and dissolved oxygen are affected by
amount of organic matter in the water body.

Choose the most appropriate answer from the
options given below :