Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Hazards and Disasters
Which of the following is considered a major anthropogenic source of water pollution that significantly impacts both freshwater and marine ecosystems?
1
Urban runoff during heavy rainfall events
2
Natural sedimentation from riverbank erosion
3
Thermal pollution from power plants
4
Agricultural runoff containing fertilizers and pesticides