Question

Addition of phosphates and nitrates/fertilizers into water leads to ________.

• A. Increased algal growth
• B. Nutrient enrichment/ eutrophication
• C. Increased growth of decomposers
• D. Reduced algal growth

Answer 1

The correct option is B Nutrient enrichment/ eutrophication

Addition of phosphates and nitrates/fertilizers into water leads to nutrient enrichment which is also called as eutrophication. It is the enrichment of water bodies with excessive nutrients and fertilizers. This is a kind of water pollution, because excessive nutrients result in growth of plants and algae which consume oxygen present.