Q. Domestic sewage contains nutrients like nitrogen and phosphorus which favours the excessive growth of planktonic (free floating) algae which can accelerate which of the following phenomenon?
A) Algal bloom
B) Biomagnification
C) Eutrophication
D) Both (a) and (c)
Explanation
Eutrophication is the phenomenon of nutrient enrichment of a water body that initially support a dense growth of plants and animal life Extensive increase of these algae is called water bloom. In many cases blooms are formed by blue-green algae. They are toxic to animals and humans
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.