Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Hazards and Disasters Man-made Hazards
Contamination of aquatic environment by Polychlorinated Biphenyls (PCBs) can originate from
A. Sewage effluent
B. Waste incinerators
C. Toxic dumps
D. Thermal power plants
E. Transport sector
Choose the most appropriate answer from the options given below:
1
A, C, E only
2
A, B, D, E only
3
B, C, D only
4
A, B, C only