This quiz works best with JavaScript enabled. Home > Ugc Net > Paper 1 > Environment > Air Pollution – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Air Pollution Quiz 17 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. In the troposphere, which of the following decreases as altitude increases? A) Temperature. B) Pressure. C) Radiation. D) Both temperature and pressure. Show Answer Correct Answer: D) Both temperature and pressure. 2. Effect of sulfur dioxide A) Deprives body of oxygen. B) Causes global warming. C) Causes acid rain. D) Irritates the eyes. Show Answer Correct Answer: C) Causes acid rain. 3. Ninety-nine percent of the volume of air in the troposphere consists of oxygen and A) Argon. B) Water vapor. C) Nitrogen. D) Carbon dioxide. Show Answer Correct Answer: C) Nitrogen. 4. How is air pollution harmful to earth? A) It causes global warming. B) It causes plants to grow. C) None of the above answers. D) None of above. Show Answer Correct Answer: A) It causes global warming. 5. What do greenhouse gases do? A) Absorb Earth's outgoing infrared radiation. B) Block the Sun's infrared radiation. C) Reflect Earth's incoming infrared radiation. D) Magnify ultraviolet radiation in the atmosphere. Show Answer Correct Answer: A) Absorb Earth's outgoing infrared radiation. 6. Acid shock results from the sudden influx of acid precipitation into bodies of water, which effects fish and other organisms. Where does this rush of acidic water come from? A) Melted acidic snow. B) Large amounts of acid rain. C) Acidic sleet. D) Smog accumulations. Show Answer Correct Answer: A) Melted acidic snow. 7. Convection is defined as the A) Trapping of heat near the Earth by gases. B) Direct transfer of energy. C) Transfer of energy across space. D) Transfer of heat by currents. Show Answer Correct Answer: D) Transfer of heat by currents. 8. Which molecules combines with water vapour to form acid rain? A) Nitrogen & CO. B) Helium & SO$_{2}$. C) SO$_{2}$ & NO. D) Oxygen and Argon. Show Answer Correct Answer: C) SO$_{2}$ & NO. 9. Runoffs from ..... from nearby farms is a source of water pollution. A) Rain. B) Industrial wastes. C) Sewage. D) Fertilisers and pesticides. Show Answer Correct Answer: D) Fertilisers and pesticides. 10. During a thermal inversion, a layer of ..... air becomes trapped below a layer of ..... air A) Warm, less dense. B) More dense, cool. C) Cool, warm. D) Less dense, cool. Show Answer Correct Answer: C) Cool, warm. 11. Which of the following explains why acid rain is harmful to plants? A) It changes the pH of the soil which can cause the soils nutrients to be washed away. B) Damages plant tissues and interferes with the opening and closing of their stomata. C) Acid rain can cause metals to be leached from the soil which can damage the roots of the plants. D) All of the above. Show Answer Correct Answer: D) All of the above. 12. Which of these is not a cause of water pollution? A) Discarded rubbish. B) Chemical waste. C) Burning fossil fuels. D) Fertilisers. Show Answer Correct Answer: C) Burning fossil fuels. 13. Pollution hanging over urban areas that causes reduced visibility is called A) Temperature inversion. B) Light pollution. C) Air pollution. D) Smog. Show Answer Correct Answer: D) Smog. 14. Which type of energy do greenhouse gases (such as carbon dioxide) absorb? A) Gamma rays. B) Visible light. C) Infrared energy. D) Ultraviolet energy. Show Answer Correct Answer: C) Infrared energy. 15. What major pollutants do power plants emit into the atmosphere? A) Carbon monoxide and VOCs. B) Ground level ozone and sulfur oxides. C) Particulate matter and carbon dioxide. D) Sulfur dioxide and nitrogen oxides. Show Answer Correct Answer: D) Sulfur dioxide and nitrogen oxides. 16. Which type of pollution can lead to harmful "algal blooms" ? A) Oil spills. B) Nutrient pollution. C) Bacteria. D) Thermal pollution. Show Answer Correct Answer: B) Nutrient pollution. 17. A colorless, odorless gas that decreases the blood's ability to carry oxygen. Can cause faintness, death. A) Carbon monoxide. B) Nitrogen oxides. C) Sulfur dioxide. D) Ground-level ozone. Show Answer Correct Answer: A) Carbon monoxide. 18. This pollutant is the most deadly, binding to hemoglobin in red blood cells and preventing oxygen transport in the body A) Carbon monoxide. B) Carbon dioxide. C) Sulfur dioxide. D) Nitrogen oxide. Show Answer Correct Answer: A) Carbon monoxide. 19. Our atmosphere is ..... % Nitrogen, ..... % Oxygen and ..... % trace gases. A) 21, 78, 1. B) 50, 25, 25. C) 78, 21, 1. D) 75, 24, 1. Show Answer Correct Answer: C) 78, 21, 1. 20. Which gas is a reddish brown, is produced from burning fossil fuels, and can be chemically altered to produce ozone? A) Nitrogen Oxides. B) Carbon Monoxide. C) Carbon Dioxide. D) Sulfur Oxides. Show Answer Correct Answer: A) Nitrogen Oxides. 21. Using buses, trains, or riding together reduces the number of ..... used. A) Cars. B) Smokestacks. C) Houses. D) None of above. Show Answer Correct Answer: A) Cars. 22. Good for life on our planet, bad for human health A) Ozone. B) Nitrogen oxides. C) Particulate matter. D) Lead. Show Answer Correct Answer: A) Ozone. 23. Which of the following uses water to clean emissions? A) Ventilation System. B) Electrostatic Precipitators. C) Scrubbers. D) Catalytic Converter. Show Answer Correct Answer: C) Scrubbers. 24. Of air pollution comes from ..... A) Oil refineries. B) Motor vehicles. C) Power plants. D) Factories. Show Answer Correct Answer: B) Motor vehicles. 25. What percentage of worldwide deaths due to indoor pollution occurs in developing countries? A) 70 percent. B) 90 percent. C) 30 percent. D) 60 percent. E) 50 percent. Show Answer Correct Answer: B) 90 percent. 26. Which of the following is an example of a primary pollutant? A) Smog. B) Carbon monoxide. C) Sick building syndrome. D) Acid rain. Show Answer Correct Answer: B) Carbon monoxide. 27. Why could it be dangerous to exercise outside during high levels of air pollution? A) Exercise is bad for health. B) Deep breathing during exercise allows toxins further into the lungs. C) Pollutants can attack the fibre of clothes. D) Pollution makes surface slippery causing accidents. Show Answer Correct Answer: B) Deep breathing during exercise allows toxins further into the lungs. 28. Burning fossil fuels cause ..... that cause pollution. A) Headaches. B) Temperature decrease. C) Emissions. D) Natural pollution. Show Answer Correct Answer: C) Emissions. 29. Chemical reactions involving sunlight, air, car exhaust, and ozone cause which of the following to form? A) Acid rain. B) Smog. C) Primary pollutants. D) Sick-building syndrome. Show Answer Correct Answer: B) Smog. 30. Industrial smog contains large amounts of A) Ozone. B) Nitrous oxides. C) PANs. D) Sulfur dioxide. Show Answer Correct Answer: D) Sulfur dioxide. ← PreviousNext →Related QuizzesPaper 1 QuizzesUgc Net QuizzesAir Pollution Quiz 1Air Pollution Quiz 2Air Pollution Quiz 3Air Pollution Quiz 4Air Pollution Quiz 5Air Pollution Quiz 6Air Pollution Quiz 7Air Pollution Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books