This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Air > Class 7 Geography Chapter 4 Air – Quiz 13 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 13 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. How can individuals contribute to reducing air pollution? A) Using energy-efficient appliances. B) Reducing the use of plastic. C) Conserving water. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. How do differences in air pressure affect the movement of air? A) Air always moves from east to west. B) Air always moves from areas of low pressure to areas of high pressure. C) Air always moves from areas of high pressure to areas of low pressure. D) Air always moves from areas of low altitudes to high altitudes. Show Answer Correct Answer: C) Air always moves from areas of high pressure to areas of low pressure. 3. What can happen to fish when there is not enough oxygen in the water? A) Nothing. Fish don't need oxygen. B) They can suffocate. C) They can't see. D) They can't float. Show Answer Correct Answer: B) They can suffocate. 4. What kind of precipitation falls during a warm front? A) Long lasting rain. B) Thunderstorms and severe weather. C) Heavy precipitation. D) Steady rain. Show Answer Correct Answer: D) Steady rain. 5. Cold air mass and warm air mass meet and neither can move the other. A) Warm front. B) Stationary front. C) Cold front. D) Occluded front. Show Answer Correct Answer: B) Stationary front. 6. Radiation and subsidence inversions both may occur simultaneously, some times. Such a phenomenon is known as A) Super inversion. B) Reverse inversion. C) Double inversion. D) Plume raise. Show Answer Correct Answer: C) Double inversion. 7. What happened when we added cold water to the hot water? A) The water got hotter. B) The water stayed the same. C) The water got cooler. D) None of the above. Show Answer Correct Answer: C) The water got cooler. 8. Too much air pressure in the glove caused the glove to ..... A) Pop. B) Gauge. C) Pressure. D) Force. Show Answer Correct Answer: A) Pop. 9. When Sulphur dioxide combines with oxygen, then it turns into ..... A) Sulphur dioxide. B) Carbon monoxide. C) Sulphur Trioxide. D) None of the above. Show Answer Correct Answer: C) Sulphur Trioxide. 10. What's the humidity and temperature of a continental tropical air mass? A) Wet and cold. B) Dry and warm. C) Wet and warm. D) Dry and cold. Show Answer Correct Answer: B) Dry and warm. 11. What comes out when we burn anything. A) Air. B) Germs. C) Smoke. D) Water vapour. Show Answer Correct Answer: C) Smoke. 12. When precipitation comes down to the earth in the solid form, it is called ..... A) Fog. B) Cloud. C) Rain. D) Snow. Show Answer Correct Answer: D) Snow. 13. What do we call a strong wind that blows very fast? A) Breeze. B) Wind. C) Stone. D) Storm. Show Answer Correct Answer: D) Storm. 14. The path taken by continuous discharge of gaseous pollutants emitted from a stack or chimney is called A) Plume. B) Air pocket. C) Air Block. D) Polluted Air. Show Answer Correct Answer: A) Plume. 15. It refers to the air quality within and around building and structure, especially as it relates to the health and comfort of building occupants. A) Indoor air pollution. B) Indoor air quality. C) Noise pollution. D) None of these. Show Answer Correct Answer: B) Indoor air quality. 16. Composition of air? A) 78% of N2, 21% 02, 0.1% Co2 and other gases. B) 10% of N2, 78 % of O2, 15 % of other gases. C) All the above. D) None of the above. Show Answer Correct Answer: A) 78% of N2, 21% 02, 0.1% Co2 and other gases. 17. Is pollution good for your health A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: B) No. 18. We can touch air A) Yes. B) NO. C) All the above. D) None of the above. Show Answer Correct Answer: B) NO. 19. Tropical air masses tend to be colder than polar air masses. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. Pollution of water is responsible for A) . Oil refineries. B) Paper factories. C) Sugar mills. D) All. Show Answer Correct Answer: D) All. 21. Where would you expect to find a high pressure liquid within an AC system? A) Between the compressor and the Thermal Xpansion Valve. B) Between the Thermal Xpansion Valve and the Evaporator. C) Between the compressor and the condenser. D) Between the Condenser and the Thermal Xpansion Valve. Show Answer Correct Answer: D) Between the Condenser and the Thermal Xpansion Valve. 22. An instrument that measures air pressure is a A) Hygrometer. B) Barometer. C) Thermometer. D) Isobar. E) Anemometer. Show Answer Correct Answer: B) Barometer. 23. Even though air is ..... it still takes up space. A) Visible. B) Invisible. C) All the above. D) None of the above. Show Answer Correct Answer: B) Invisible. 24. Describe a maritime air mass. A) Cold. B) Wet. C) Warm. D) Dry. Show Answer Correct Answer: B) Wet. 25. Air contains ..... nitrogen A) 0.04%. B) 100%. C) 78.09%. D) 89%. Show Answer Correct Answer: C) 78.09%. 26. What is the place where you get a boarding pass? A) Departure lounge. B) Conveyor belt. C) Ticket place. D) Check-in desk. Show Answer Correct Answer: D) Check-in desk. 27. The top of mountains typically has high or low pressure? A) High pressure. B) Low pressure. C) All the above. D) None of the above. Show Answer Correct Answer: B) Low pressure. 28. THE GAS REQUIRED FOR BURNING IS A) OXYGEN. B) NITROGEN. C) CARBON DIOXIDE. D) WATER VAPOUR. Show Answer Correct Answer: A) OXYGEN. 29. What kind of precipitation falls during a cold front? A) Thunderstorms or severe weather. B) Precipitation lasting several days. C) Strong wind and heavy precipitation. D) Steady rain. Show Answer Correct Answer: A) Thunderstorms or severe weather. 30. Sydney keeps blowing up a balloon until it pops. Where was there more pressure? A) Inside the balloon. B) Outside of the balloon. C) On top of the balloon. D) Equal pressure everywhere. Show Answer Correct Answer: A) Inside the balloon. 31. When the clouds form that process is called ..... A) Transpiration. B) Precipitation. C) Evaporation. D) Condensation. Show Answer Correct Answer: D) Condensation. 32. What is the MAJOR pollutant in the air? A) None of the above. B) Carbon monoxide. C) Propane. D) Oxygen. Show Answer Correct Answer: B) Carbon monoxide. 33. What is a warm front? A) A cold air mass bumps against a warm air mass. B) A warm air mass meets a colder air mass and slowly rises over it. C) Two air masses meet and stop moving. D) Warm air mass gets caught between 2 cold air masses. Show Answer Correct Answer: B) A warm air mass meets a colder air mass and slowly rises over it. 34. Matter is made up of large Particles. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 35. When going up in an elevator, your ears 'pop' because the air pressure A) Remains the same. B) Decreases. C) Increases. D) None of the above. Show Answer Correct Answer: B) Decreases. 36. ..... is the contamination of air by harmful gases, dust and smoke which affects plants, animals and humans drastically. A) Global Warming. B) Emmision. C) Water Pollution. D) Air Pollution. Show Answer Correct Answer: D) Air Pollution. 37. Which of the following is not a Greenhouse gas? A) Carbon dioxide. B) Water Vapour. C) Carbon Monoxide. D) Methane. Show Answer Correct Answer: C) Carbon Monoxide. 38. The friction between your shoes and the ground prevents ..... A) Writing. B) Slipping down. C) Walking. D) Running. Show Answer Correct Answer: B) Slipping down. 39. A tire factory has closed down leaving 50 old rubber tires in the parking lot. What should the town do with the old tires? A) Use them for sports activity in the school playground. B) Burn them in a big bonfire. C) Throw them in the city landfill. D) Throw into the sea. Show Answer Correct Answer: A) Use them for sports activity in the school playground. 40. Where do CONTINENTAL air masses form? A) Over water. B) Over land. C) All the above. D) None of the above. Show Answer Correct Answer: B) Over land. 41. An air mass is a portion of the atmosphere that has similar ..... A) Water and temperature. B) Air pressure and wind speed. C) Humidity and temperature. D) Humidity and air pressure. Show Answer Correct Answer: C) Humidity and temperature. 42. What weather patterns are associated with warm fronts? A) Gentle, steady precipitation and an increase in temperature. B) No precipitation and a decrease in temperature. C) Heavy snowfall and a decrease in temperature. D) Strong winds and a decrease in temperature. Show Answer Correct Answer: A) Gentle, steady precipitation and an increase in temperature. 43. Which of the following CANNOT be seen? A) Fire. B) Air. C) Land. D) Water. Show Answer Correct Answer: B) Air. 44. What kind of front is:A warm air mass gets caught between 2 cold air masses, warm air rises up between the 2 A) Warm front. B) Cold front. C) Occluded front. D) Warm front. Show Answer Correct Answer: C) Occluded front. 45. Air particles flow from areas of ..... pressure to areas of ..... pressure. A) Equal pressure to high pressure. B) Low pressure to high pressure. C) High pressure to low pressure. D) None of the above. Show Answer Correct Answer: C) High pressure to low pressure. 46. Consider the following information (1) Clouds (2) Evaporation (3) Condensation (4) Snow (5) Rain (6) Crystals The short water cycles are the number ..... A) 2-3-4-5. B) 4-5-6-1. C) 2-3-1-5. D) 1-2-3-4. Show Answer Correct Answer: C) 2-3-1-5. 47. Which two gases make the bulk of the atmosphere? A) Argon, Hydrogen. B) Ozone, Oxygen. C) Oxygen, Nitrogen. D) Carbon dioxide, Helium. E) Carbon dioxide, Ozone. Show Answer Correct Answer: C) Oxygen, Nitrogen. 48. The heat production from a normal healthy man when asleep is about ..... A) 60 W. B) 40 W. C) 70 W. D) 50 W. Show Answer Correct Answer: A) 60 W. 49. Substance which pollute the air are A) Pollutants. B) Pollution. C) Dirty. D) None of the above. Show Answer Correct Answer: A) Pollutants. 50. All living things need ..... to breathe. A) Matter. B) Air. C) Windmills. D) None of the above. Show Answer Correct Answer: B) Air. 51. ..... is equivalent to the US dollar and has been designated by IATA A) EMS. B) HIP. C) NUC. D) None of the above. Show Answer Correct Answer: C) NUC. 52. The gas released in air whch makes green house is called ..... A) Nitrogen. B) Methyl. C) Ozone. D) Carbon dioxide. E) Oxygen. Show Answer Correct Answer: D) Carbon dioxide. 53. Acid rain is caused by ..... A) Oxygen. B) Carbon dioxide. C) Global Warming. D) Sulphuric Acid. Show Answer Correct Answer: D) Sulphuric Acid. 54. Does air pollution cause depletion of ozone layer? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 55. Which of the following air pollutants is correctly paired with one of its major effects? A) Lead-skin cancer. B) Particulates-production of photochemical smog. C) Sulfur oxides-acid deposition. D) Radon-global climate change. Show Answer Correct Answer: C) Sulfur oxides-acid deposition. 56. What happens to air pressure as you move upward into the atmosphere? A) Increases. B) Decreases. C) Stays the same. D) None of the above. Show Answer Correct Answer: B) Decreases. 57. Describe a tropical air mass. A) Warm. B) Wet. C) Cold. D) Dry. Show Answer Correct Answer: A) Warm. 58. What are the products of aerobic respiration? A) Carbon dioxide and water. B) Lactic acid. C) Oxygen and glucose. D) Methane. Show Answer Correct Answer: A) Carbon dioxide and water. 59. ..... fronts bring on wind, with heavy precipitation that starts and ends quickly, thunderstorms are common A) Warm. B) Cold. C) All the above. D) None of the above. Show Answer Correct Answer: B) Cold. 60. The Taj Mahal is being affected by A) Air pollution. B) Noise pollution. C) Water pollution. D) None of these. Show Answer Correct Answer: A) Air pollution. ← PreviousNext →Related QuizzesGeography QuizzesClass 7 QuizzesClass 7 Geography Chapter 4 Air Quiz 1Class 7 Geography Chapter 4 Air Quiz 2Class 7 Geography Chapter 4 Air Quiz 3Class 7 Geography Chapter 4 Air Quiz 4Class 7 Geography Chapter 4 Air Quiz 5Class 7 Geography Chapter 4 Air Quiz 6Class 7 Geography Chapter 4 Air Quiz 7Class 7 Geography Chapter 4 Air Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books