AIR POLLUTION MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 23, 2025

83 Score: 0 Attempted: 0/83 Subscribe
1. : Which pollutant results from roasting and heating processes?





2. : Which pollutants result from chemicals, petroleum, and paper industries?





3. : Which process is used for the removal of particulates?





4. : Which environmental problem could lead to a rise in sea level?





5. : Which gas is not a greenhouse gas?





6. : Environmental pollution refers to which of the following?





7. : Which of the following agricultural fields produces maximum methane gas into the atmosphere?





8. : Photochemical smog is caused primarily by which of the following?





9. : Photochemical smog consists of excessive amount of X in addition to aldehydes, ketones, PAN, etc. X is:





10. : Which is/are related to effects of photochemical smog?





11. : Which statement is/are true with regard to effects of particulate matter?





12. : Which methods are involved with regard to control of particulate matter?





13. : Ozone hole refers to which of the following?





14. : Photochemical smog is related to which of the following?





15. : What are the sources of organic particulate matter?





16. : Which of the following is the residue which is formed on combustion of fuel in power plants?





17. : Which of the following is the phenomenon that the earth magnetic field has a strong influence on the ions in the upper atmosphere?





18. : Which substance acts as photochemical oxidant?





19. : Which pollutant is generated from combustion of fuel?





20. : Which free radical is existing in the atmosphere?





21. : Commercial incinerators produce:





22. : SO is generated from which industry?





23. : Which gas defends us from harmful effects of UV radiation?





24. : Ozone filters out radiation below:





25. : Chlorofluorocarbons (CFC) are widely used as coolants in:





26. : The reduction in ozone layer would lead to:





27. : What products are formed when ozone absorbs UV light (308 nm)?





28. : What is the maximum concentration of ozone in the stratosphere at an altitude of 25-30 km?





29. : Which pollutant is not a primary pollutant?





30. : Which pollutant is not a secondary pollutant?





31. : Which substance is normally not considered an air pollutant?





32. : Particulate from soil and mineral primarily contains





33. : The most harmful components of incomplete combustion are normally grouped as particulate polycyclic organic matter (PPOM). These materials are derivatives of





34. : Ozone can react with which chemical species?





35. : Which statement is not related with SO₂?





36. : Which gas forms weakly acidic sulphurous acid (H₂SO₃)?





37. : Which oxide is formed in appreciable quantity in the atmosphere?





38. : Which statement is not relevant with nitrous oxide?





39. : Which of the following are Aerosols of natural origin with diameter less than 0.2 μ?





40. : Which substance acts as gaseous pollutant?





41. : Which statement is not related with nitric oxide?





42. : Which statement is not regarding nitrogen dioxide?





43. : Which statement is related with CO?





44. : Which statement is not true regarding hydrocarbons?





45. : Which pollutant results from combustion of fossil fuels?





46. : Which process is used for the removal of gases?





47. : Which health effect is caused by lead?





48. : Which health effect is caused by mercury?





49. : Which health effect is caused by cadmium?





50. : Which is existing in photochemical smog?





51. : Which of the following is the most hazardous metal pollutant of automobile exhaust?





52. : Which plays an important role in depletion of ozone layer?





53. : When/Where Photochemical smog is normally formed?





54. : Which reacts with hemoglobin of blood and produce toxic effect?





55. : Which is major sink for carbon monoxide?





56. : U.V. radiation from the sun causes a reaction in the atmosphere that leads to production of





57. : Which pose threat to Historical monument Taj Mahal?





58. : Which is not a pollutant from the exhaust of motor?





59. : Acid rain is caused due to increase in the concentration of in the atmosphere





60. : Maximum thinning of ozone (hole) has spread over which of the following?





61. : Atmosphere of metropolitan cities is mostly polluted by which of the following?





62. : Green chemistry refers to:





63. : What is Result of ozone hole?





64. : Air pollution is not caused by which of the following?





65. : Which is atmosphere pollutant?





66. : Ozone layer of upper atmosphere is being destroyed by





67. : Ozone depletion in stratosphere will result in which of the following?





68. : Which one of the following is a source of energy but does not cause pollution?





69. : Which substance is not existing in acid rain?





70. : Which is not a chemical pollutant?





71. : Earth is protected from UV radiations by which of the following?





72. : Which responsible for depletion of ozone layer in upper strata of the atmosphere?





73. : The smog is essentially caused by the presence of which of the following?





74. : Ozone acts as ______.





75. : In Which layer of atmosphere there is more thickness of ozone layer?





76. : Which air pollutants more dangerous for ozone layer?





77. : Which of the following of blood and reacts produce with toxic effect.





78. : Carbon dioxide content in atmosphere is:





79. : Which of the following is secondary pollutant?





80. : DDT is





81. : Peeling of ozone umbrella is due to which of the following?





82. : Ozone layer of stratosphere needed protection from indiscriminate use of





83. : Which statement is/are true regarding Aitken particles?





 

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