Civil Services TNPSC Group 1 (New Syllabus) Mock Test 2025 General Knowledge Ecology and Environment Environment Problems
Which of the following statements is/are correct?
1. Eutrophication is the natural aging of a lake by nutrient enrichment of its water.
2. The prime contaminants are nitrates and phosphates, which act as plant nutrients.
Select the correct answer using the code given below.
1
1 only
2
2 only
3
Both 1 and 2
4
Neither 1 nor 2