Question

Name any two kind of fertilizers whose excessive presence in water bodies results in algal growth. Define eutrophication. What is the consequences of eutrophication ( 5 Marks )

Answer 1

when farmers use fertilisers in large amount, the fertilisers goes onto rivers, which cause growth of small plants like diatoms on the surface of the river, and so fishes were not able to take oxygen or to breath nicely, therefore they died and this process is known as eutrophication..