A. SPM
B. Thermal pollution
C. Radioactive rays
D. Noise pollution
Correct Answer: SPM ✔
Last Updated: March 11, 2019
Related MCQs
- Noise pollution level in a chemical plant is expressed in __________?
- Smog is __________?
- Threshold limit value (TLV) i.e., the maximum permissible safe limit of phosgene gas which Hitler used to use to kill his enemies in ‘gas chamber’ is about __________ ppm?
- For existence of aquatic life in water, the dissolved oxygen content in it, should not be less than __________ ppm?
- Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?
- The term Biological Oxygen Demand (BOD) is used in relation to __________?
- The upper layer of atmosphere is called the __________?
- CFC (chloro fluoro carbon) is very highly reactive in causing depletion of ozone layer in the atmosphere. Each atom of chlorine liberated from CFC is capable of decomposing __________ molecules of ozone?
- The average thickness of ozone layer in stratosphere is about __________ dobson unit (DU)?
- Noise level audible to audience sitting in the 5th row from the stage during a large orchestra show corresponds to about __________ decibels?
- Disinfection of water is done to remove __________?
- In water treatment plant, zeolite process is used to remove the __________ of water?
- On prolonged exposure to high concentration of carbon monoxide (> 5000 ppm), man dies because __________?
- There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?