WBCS Main Examination Paper - IV (General Studies-II) - 2015
1. The following term is not involved in air pollution.
(A) SMOG (B) MMD (C) DO (D) VC
2. Mufflers are commonly used to prevent the
(A) Radiation pollution (B) Noise pollution (C) Air pollution (D) Thermal pollution
- Read more about WBCS Main Examination Paper - IV (General Studies-II) - 2015
- Log in or register to post comments
- 16030 views