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NTA Abhyas NEET2020BotanyEcosystemPractice

The sudden mass killing of fishes is likely to be seen in a

Options

  1. Amesotrophic lake
  2. Boligotrophic lake
  3. Csalt lake
  4. Deutrophic lake

Correct answer

D. eutrophic lake

Step-by-step solution

Organic pollutants provide nutrients for stimulating the growth of algae and other plants. Algal bloom reduces the availability of light to submerged plants consumes more oxygen in decomposition. This reduces the availability of oxygen to other life forms leading to death of organisms. This is known as eutrophication.

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