Question

Which of the following are responsible for eutrophication in water bodies?

• A. Calcium and magnesium
• B. Calcium and phosphorous
• C. Nitrogen and phosphorous
• D. Calcium and nitrogen

Hint:

To remember eutrophication causes: think of fertilizers — they are rich in nitrogen and phosphorous, the main contributors to nutrient pollution in water.

Answer 1

The Correct Option is C

Eutrophication is primarily caused by an excess of nutrients, especially nitrogen and phosphorous, in water bodies. These nutrients promote excessive growth of algae and aquatic plants, leading to depletion of oxygen and harm to aquatic life.