With reference to eutrophication, which of the following statement is/are correct? 1. The nutrient-enrichment of the lakes promotes the growth of algae, aquatic plants and various fauna. This process is known as cultural eutrophication. 2. The nutrient enrichment of lakes at an accelerated rate is caused by human activities and the consequent ageing phenomenon is known as Natural eutrophication. Select the correct answer using the codes given below: |ForumIAS

Q. With reference to eutrophication, which of the following statement is/are correct?
1. The nutrient-enrichment of the lakes promotes the growth of algae, aquatic plants and various fauna. This process is known as cultural eutrophication.
2. The nutrient enrichment of lakes at an accelerated rate is caused by human activities and the consequent ageing phenomenon is known as Natural eutrophication.
Select the correct answer using the codes given below:

[A] 1 only

[B] 2 only

[C] Both 1 and 2

[D] Neither 1 nor 2

Answer: D

Notes:

Explanation: The nutrient-enrichment of the lakes promotes the growth of algae, aquatic plants and various fauna. This process is known as natural eutrophication. Similar nutrient enrichment of lakes at an accelerated rate is caused by human activities (discharge of wastewaters or agricultural runoff) and the consequent ageing phenomenon is known as ‘cultural eutrophication’.

Source: Shankar IAS

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