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State PCS PYQPrelims 2019

UPPCS · Question 56

With reference to Eutrophication, which of the following statements is/are correct? 1. It is a phenomenon of nutrient enrichment of a water body. 2. It depletes dissolved oxygen of the water. Select the correct answer using the codes given below:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2
Show answer & explanation

Answer: (C) Both 1 and 2

Explanation

Eutrophication is nutrient (N, P) enrichment of a water body causing algal blooms. Their decomposition depletes dissolved oxygen. Both statements are correct.