Question

Which of the following statement(s) is/(are) incorrect reason(s) for eutrophication?

(1) Excess usage of fertilisers
(2) Excess usage of detergents
(3) Dense plant population in water bodies
(4) Lack of nutrients in water bodies that prevent plant growth

Choose the most appropriate answer from the options given below.

• A. (3) only
• B. (2) and (4) only
• C. (1) only
• D. (4) Only

Answer 1

The correct option is D (4) Only

Eutrophication is when a body of water becomes overly enriched with minerals and nutrients that induce excessive growth of plants and algae. This process may result in oxygen depletion of the water body.
So, (4) is incorrect.