Indian & World Geography·MCQ Practice

Eutrophication — MCQ Practice

Updated 19 Oct 2026

Interactive MCQ Practice

Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.

Q1medium

After a nutrient-rich discharge, a lake develops a dense bloom and later a fish kill. Which sequence best explains the oxygen-related risk?

Q2medium

Which measurement best distinguishes daily nutrient load from nutrient concentration in a river?

Q3medium

A photograph shows green surface scum. Which conclusion needs additional evidence?

Q4medium

A municipality removes floating algae while untreated nutrient-rich inflow continues. What is the principal limitation of this intervention?

Q5medium

Why can oxygen depletion be especially serious below a summer thermocline in an enriched lake?