Contamination of aquatic environment by Polychlorinated Biphenyls (PCBs) can…
2020
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 :
- A.
(A), (C), (E) only
- B.
(A), (B), (D), (E) only
- C.
(B), (C), (D) only
- D.
(A), (B), (C) only
Attempted by 3 students.
Show answer & explanation
Correct answer: D
PCBs can enter aquatic environments through sewage effluent, waste incinerators and toxic dumps. Thermal power plants and transport sector are not part of the selected PCB source set here.