Multiple choice

Which of the following defines 'eutrophication' most appropriately?

  1. Killing of animals due to less availability of edible plants

  2. Excess of carbon-monoxide in water killing plant species

  3. Excess of alkalinity in water killing plants and animals in it

  4. None of these
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Eutrophication is the process where water bodies become overly enriched with nutrients (especially nitrogen and phosphorus), leading to excessive algae growth and oxygen depletion. None of the given options A, B, or C correctly describe this process.

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