JIPMER2019BotanyEnvironmental Issues
Eutrophication is caused due to
Options
- Aaccumulation of minerals
- Beffect of UV-C
- Caccumulation of metals only
- Daccumulation of zooplankton
Correct answer
A. accumulation of minerals
Step-by-step solution
Eutrophication is caused due to accumulation of minerals in water body. It is the process of natural ageing of lakes by the biological enrichment of its water. In a young lake, the water is clear, supporting little life with time due to the introduction of nutrients such as nitrogen and phosphorus, growth of microorganism which deteriorate the water quality take place depleting the dissolved O ₂ in water.