Question

What does the Greek word "Eutrophos", from which 'Eutrophication' is derived, mean?

• A. Well-nourished
• B. Polluted water
• C. Dead water
• D. Oxygen-depleted

Answer 1

Answer:

A. Well-nourished

• The BOD value of clean water is below 5 ppm.

• The BOD value of polluted water is more than 17 ppm.

• Nutrient-rich water bodies lead to excessive plant growth, resulting in oxygen depletion, which kills aquatic life and leads to a loss of biodiversity. This phenomenon is known as Eutrophication.