Question

A lake which is rich in organic waste may result in
[NEET(Phase-2)-2016]
(1) Increased population of aquatic organisms due
to minerals
(2) Drying of the lake due to algal bloom
(3) Increased population of fish due to lots of
nutrients
(4) Mortality of fish due to lack of oxygen​

Answer 1

Explanation:

4 is the answer for this question

Answer 2

Answer:

4 is the answer . This is because when there is Rich organic waste in lake, the BOD of water will increase