This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Air Pollution – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Air Pollution Quiz 4 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Provides a protective shield around the earth in the stratosphere, but also can cause problems for living organisms in the troposphere when NOx + VOCs + sun happens A) Clouds. B) Atmosphere. C) Ozone. D) Smog. Show Answer Correct Answer: C) Ozone. 2. Acid deposition forms as a result of A) Nitrogen oxides and photochemical smog. B) Carbon monoxide and VOCs. C) Sulfur dioxide and VOCs. D) Nitrogen oxides and sulfur dioxide. E) Carbon monoxide and photochemical smog. Show Answer Correct Answer: D) Nitrogen oxides and sulfur dioxide. 3. The key to reducing air pollution is to control ..... A) Methane gas. B) Ozone depletion. C) Emissions. D) Overpopulation. Show Answer Correct Answer: C) Emissions. 4. What is most likely to happen if we don't reduce the amount of harmful gases we put into the atmosphere? A) Fossil fuels will rapidly become more abundant. B) Many new animal and plant species will evolve. C) The rate of global climate change might decelerate. D) Respiratory diseases in humans will increase. Show Answer Correct Answer: D) Respiratory diseases in humans will increase. 5. Source of carbon monoxide A) Incomplete combustion of fossil fuels. B) Combustion of fossil fuels. C) Decomposition of plant and animal matters. D) Photochemical reaction of CO$_{2}$. Show Answer Correct Answer: A) Incomplete combustion of fossil fuels. 6. What type of pollution was the catalytic converter designed to reduce? A) Car emissions. B) Factory emissions. C) Power plant emissions. D) Indoor air pollution. Show Answer Correct Answer: A) Car emissions. 7. The ..... protects people from the effects of too much ultraviolet radiation. A) Cloud cover. B) Smog layer. C) Temperature inversion. D) Ozone layer. Show Answer Correct Answer: D) Ozone layer. 8. What is the easiest way to reduce air pollution A) Keep all of your lights on. B) Never use any thing again (that takes electricity). C) Try to contact a big organisation. D) Turn off the lights or ac. Show Answer Correct Answer: D) Turn off the lights or ac. 9. How can acd rain affect non-living objects? A) Speeds up the erosion process. B) Eats away paint from surfaces. C) Leeches nutrients from the soil. D) All of the above. Show Answer Correct Answer: D) All of the above. 10. Secondary pollutants are formed from the reaction of A) Smog. B) Carbon monoxide. C) Radon. D) Primary pollutants. Show Answer Correct Answer: D) Primary pollutants. 11. Which of the following are considered non-renewable resources? A) Coal. B) Hydroelectric power. C) Air. D) Water. Show Answer Correct Answer: A) Coal. 12. A(n) ..... can cause air pollutants at ground level to rise to harmful levels. A) Offshore wind. B) Rain shadow. C) Temperature inversion. D) Onshore wind. Show Answer Correct Answer: C) Temperature inversion. 13. Chlorofluorocarbons is represented by the abbreviation ..... A) Hydrocarbons. B) Chl. C) ChFC. D) CFC. Show Answer Correct Answer: D) CFC. 14. What AQI (Air Quality Index) is considered healthy? A) 100. B) 50-70. C) 25 or less. D) 30. Show Answer Correct Answer: C) 25 or less. 15. What three components have to be present to create photochemical smog? A) VOCS, PANS, Carbon Dioxide. B) VOCS, Ozone, Nitrogen Monoxide. C) Nitrogen Dioxide, Sunlight, and VOCS. D) Sulfur Dioxide, Nitrogen Dioxide, and Ozone. Show Answer Correct Answer: C) Nitrogen Dioxide, Sunlight, and VOCS. 16. The temperature changes that occur from one layer of the atmosphere to another are caused by differences in A) Density of the air. B) Atmospheric pressure. C) Absorption of incoming solar energy. D) Gravitational pull. Show Answer Correct Answer: C) Absorption of incoming solar energy. 17. The outer layer of the atmosphere, extending outward into space. A) Ionosphere. B) Stratosphere. C) Exosphere. D) Thermosphere. Show Answer Correct Answer: C) Exosphere. 18. Some substances that cause ..... air pollution, such as dust and pet hair, bother only those people who are sensitive to them. A) Eco-friendly. B) Outdoor. C) Indoor. D) Semi-hazardous. Show Answer Correct Answer: C) Indoor. 19. An example of an unnatural source for air pollution can be defined as: A) Industrial smokestacks and volcanoes. B) Industrial smokestacks and coal-burning power plants. C) Coal-burning power plants and wildfires. D) Wildfires and industrial smokestacks. Show Answer Correct Answer: B) Industrial smokestacks and coal-burning power plants. 20. Which layer of the atmosphere is immediately above the layer we are in right now? A) Mesosphere. B) Thermosphere. C) Stratosphere. D) Troposphere. Show Answer Correct Answer: C) Stratosphere. 21. Which one of these does not belong A) Mop. B) Electrostatic precipitator. C) Scrubber. D) Air Filter. Show Answer Correct Answer: A) Mop. 22. Ozone is a compound that contains the element ..... It is degraded in the atmosphere when exposed to ..... containing compounds, such as CFCs. A) Oxygen | Chlorine. B) Nitrogen | Chlorine. C) Oxygen | Fluorine. D) Carbon | Bromine. Show Answer Correct Answer: A) Oxygen | Chlorine. 23. Which of the following is false A) Proper ventilation improves air quality. B) The best way to avoid air pollution is to stay indoors. C) Formaldehyde can cause health problems. D) Ground-level ozone can aggravate health problems. Show Answer Correct Answer: B) The best way to avoid air pollution is to stay indoors. 24. Air ..... is caused by dust and fumes. A) Reduce. B) Source. C) Pollution. D) None of above. Show Answer Correct Answer: C) Pollution. 25. What type of pollutions are released into the air A) Emissions. B) Acid rains. C) Molecules. D) Waste. Show Answer Correct Answer: A) Emissions. 26. Which of the following agents is responsible for turning the Taj Mahal yellow? A) Sulphur. B) Chlorine. C) Sulphur dioxide. D) Nitrogen oxide. Show Answer Correct Answer: C) Sulphur dioxide. 27. The 78% of the normal composition of air is ..... A) Argon. B) Nitrogen. C) Oxygen. D) Carbon dioxide. Show Answer Correct Answer: B) Nitrogen. 28. ..... are pollutants released into the air. A) Acid rains. B) Emissions. C) Hazardous wastes. D) Ozone molecules. Show Answer Correct Answer: B) Emissions. 29. Reversal of the ordinary climate regime producing increased rain in some areas but increased drought in others A) Prevailing winds. B) El Nino Southern Oscillation. C) Coriolis effect. D) Weather front. Show Answer Correct Answer: B) El Nino Southern Oscillation. 30. In developing countries, indoor air pollution mostly comes from A) Cleaning. B) Toys. C) Building. D) Cooking. Show Answer Correct Answer: D) Cooking. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesAir Pollution Quiz 1Air Pollution Quiz 2Air Pollution Quiz 3Air Pollution Quiz 5Air Pollution Quiz 6Air Pollution Quiz 7Air Pollution Quiz 8Air Pollution Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books