A. SPM
B. Thermal pollution
C. Radioactive rays
D. Noise pollution
Related Mcqs:
- There are thirteen metals which are treated as pollutants. Which of the following metals is not a pollutant ?
A. Mercury
B. Arsenic
C. Aluminium
D. Lead - Which of the following is the most lethal water pollutant ?
A. Phenol and cyanide
B. Chlorine
C. Alkalis
D. Suspended solids - Which of the following industries discharge mercury as a pollutant ?
A. Chloro-alkali industry
B. Tanneries
C. Beverage plant
D. Phosphoric acid plant - Which of the following is the most severe air pollutant ?
A. Hydrocarbons
B. NOx
C. SO2
D. CO - Which of the following is the common pollutant emitted from metallurgical smelters, thermal power plant and cement plants ?
A. NOx
B. Hg
C. SO2
D. F - Which of the following is a secondary air pollutant ?
A. Photochemical smog
B. Sulphur dioxide
C. Nitrogen dioxide
D. Dust particles - Which of the following is not a secondary air pollutant ?
A. Ozone
B. Photochemical smog
C. Sulphur dioxide
D. All A., B. & C. - Main pollutant present in automobile exhaust is_________________?
A. CO
B. CO2
C. NO
D. Hydrocarbons - The main industrial source of emission of hydrogen sulphide air pollutant is________________?
A. Petroleum refineries
B. Coal based thermal power plants
C. Pulp and paper plant
D. Metallurgical roasting & smelting plant - The main pollutant in waste water discharged from a petroleum refinery is oil (both in free and emulsified form). Free oil is removed by_________________?
A. Biological oxygen pond
B. Aerated lagoons
C. Trickling filters
D. Gravity separator having oil skimming devices
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