This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Air > Class 7 Geography Chapter 4 Air – Quiz 5 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 5 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Which of the following phenomenon helps the earth to stay 'suitably warm'? A) Global warming. B) Photosynthesis. C) Greenhouse effect. D) None of these. Show Answer Correct Answer: C) Greenhouse effect. 2. Which gas from the atmosphere forms a compound that is useful for growth of plants? A) Helium. B) Water vapour. C) Carbon dioxide. D) Nitrogen. Show Answer Correct Answer: D) Nitrogen. 3. What do we call a one-way ticket? A) Straight-ticket. B) Single ticket. C) Part ticket. D) Half ticket. Show Answer Correct Answer: B) Single ticket. 4. What's the humidity and temperature of a maritime tropical air mass? A) Wet and cold. B) Dry and warm. C) Wet and warm. D) Dry and cold. Show Answer Correct Answer: C) Wet and warm. 5. State whether True or False: "Filtration is a method of removing insoluble impurities." A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 6. What were the Tuskegee Airmen known for? A) Escorting bomber planes. B) Circling the globe. C) Bombing enemy submarines. D) Sneaking into enemy camps. Show Answer Correct Answer: A) Escorting bomber planes. 7. The Shape of ..... keeps changing according to the container they are kept in. A) Solid. B) Liquid. C) Gases. D) None of the above. Show Answer Correct Answer: B) Liquid. 8. Air is mostly made up of ..... A) Oxygen and nitrogen. B) Oxygen and hydrogen. C) Hydrogen and helium. D) Nitrogen and hydrogen. Show Answer Correct Answer: A) Oxygen and nitrogen. 9. The force that opposes motion is ..... A) Friction. B) An accelerating force. C) An unbalanced force. D) A balanced force. Show Answer Correct Answer: A) Friction. 10. Where do you put your hand luggage on the plane? Into the ..... A) Overhand lock. B) Overhead locker. C) Above cabinet. D) Upper locker. Show Answer Correct Answer: B) Overhead locker. 11. True/False? Air pressure increases as altitude increases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 12. Who is Zuko's uncle? A) Toph. B) Iroh. C) Ozai. D) Aang. Show Answer Correct Answer: B) Iroh. 13. Weather is ..... A) What the air outside is like. B) What the air inside is like. C) What the water outside is like. D) None of the above. Show Answer Correct Answer: A) What the air outside is like. 14. What is an atom? A) It is an insect. B) Smallest particle into which an atom can be broken into. C) It is an organ of our body. D) None of the above. Show Answer Correct Answer: B) Smallest particle into which an atom can be broken into. 15. Slow and gentle wind is called ..... A) Gale. B) Storm. C) Breeze. D) None of the above. Show Answer Correct Answer: C) Breeze. 16. Global warming is caused due to increased levels of ..... A) Greenhouse gases. B) Nitric and sulfuric acids. C) Afforestation. D) Ozone layer. Show Answer Correct Answer: A) Greenhouse gases. 17. What tool is used to measure air pressure? A) Thermometer. B) Barometer. C) Wind vane. D) Anemometer. Show Answer Correct Answer: B) Barometer. 18. High pressure weather usually indicates what type of weather? A) Fair. B) Cloudy. C) All the above. D) None of the above. Show Answer Correct Answer: A) Fair. 19. In the winter, the air pressure has been decreasing over several days. Which weather will most likely occur? A) Clear skies and hot temperatures. B) Clear skies and cold temperatures. C) Cloudy skies and heavy snowstorms. D) Cloudy skies and strong thunderstorms. Show Answer Correct Answer: C) Cloudy skies and heavy snowstorms. 20. How are warm fronts formed? A) By warm air mass staying in place and not moving. B) By the Earth's rotation causing warm air to rise. C) By cold air mass moving into an area of warmer air. D) By warm air mass moving into an area of colder air. Show Answer Correct Answer: D) By warm air mass moving into an area of colder air. 21. Air is heavier than water. A) False. B) True. C) All the above. D) None of the above. Show Answer Correct Answer: A) False. 22. Warm air moving upwards from the Gulf of Mexico is: A) Continental polar. B) Continental tropical. C) Maritime polar. D) Maritime tropical. Show Answer Correct Answer: D) Maritime tropical. 23. How would weather conditions in an area change if a high pressure system replaced a low pressure system? A) The area would become more stormy and rainy. B) The area would become more humid and warmer. C) The area would become cooler with less humidity. D) The area would become warmer with strong winds. Show Answer Correct Answer: C) The area would become cooler with less humidity. 24. Matter is anything that ..... and ..... A) Has mass. B) Occupies space. C) Both of the above. D) None of the above. Show Answer Correct Answer: C) Both of the above. 25. Which of the following has a pH of between 5.5 and 6? A) Distilled water. B) Lemon juice. C) Normal rain. D) Acid rain. Show Answer Correct Answer: C) Normal rain. 26. Hydrogen Sulphide causes ..... in humans A) Nausea. B) High BP. C) Headache. D) All of the above. Show Answer Correct Answer: C) Headache. 27. Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador is in A) TC-2. B) TC-1. C) TC-3. D) None of the above. Show Answer Correct Answer: B) TC-1. 28. Where they check that you are not trying to take prohibited items (liquids or sharp objects) onto the plane, by scanning your carry-on luggage and making you walk through a metal detector A) Gate. B) Customs. C) Security. D) Runaway. Show Answer Correct Answer: C) Security. 29. What is caused by differences in air pressure? A) Time. B) Precipitation. C) Clouds. D) Wind. Show Answer Correct Answer: D) Wind. 30. Why when air presses our body we don't feel A) The air that presses our body is very light. B) Because our body gives a counter pressure. C) All the above. D) None of the above. Show Answer Correct Answer: B) Because our body gives a counter pressure. 31. What do we call the seat which is the furthest from the window seat? The ..... A) Middle seat. B) Row seat. C) Isle seat. D) Aisle seat. Show Answer Correct Answer: D) Aisle seat. 32. The greater the air resistance, less is the speed of the parachutist. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 33. What does the air consist of? A) Weather. B) Molecules. C) Density. D) Helium. Show Answer Correct Answer: B) Molecules. 34. Which type of air pressure do clear skies indicate? A) High pressure. B) Zero pressure. C) Medium pressure. D) Low pressure. Show Answer Correct Answer: A) High pressure. 35. Why do you need air? A) To smell. B) To feel. C) To breathe. D) Actually, we do NOT need air. E) I do not know. Show Answer Correct Answer: C) To breathe. 36. What is the nose gear? A) Wheel/tire. B) Water hose. C) Kite. D) Basketball. Show Answer Correct Answer: A) Wheel/tire. 37. Our homes should be well-ventilated. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 38. How many of the 15 most populated cities are in india A) 1. B) 10. C) 13. D) 9. Show Answer Correct Answer: B) 10. 39. Which of the following is an example of a Gaseous air pollutant? A) Snow. B) Carbon monoxide. C) Stones. D) Acid rain. Show Answer Correct Answer: B) Carbon monoxide. 40. Air pressure and density both decrease A) Higher up the mountain you go. B) Lower on the mountain you go. C) All the above. D) None of the above. Show Answer Correct Answer: A) Higher up the mountain you go. 41. Smoke and germs make the air ..... A) Pure. B) Impure. C) None of the above. D) None of the above. Show Answer Correct Answer: B) Impure. 42. What instrument do meteorologists use to measure atmospheric pressure? A) Barometer. B) Thermometer. C) Rain gauge. D) None of the above. Show Answer Correct Answer: A) Barometer. 43. Where your luggage may be checked to see if you are bringing illegal goods into the country A) Customs. B) Security. C) Runway. D) Gate. Show Answer Correct Answer: A) Customs. 44. The upward force on an object falling through the air is ..... A) Terminal velocity. B) Inertia. C) Air resistance. D) Gravity. Show Answer Correct Answer: C) Air resistance. 45. Where is pollution found on the earth? A) Only in the air. B) Only on the land. C) Only in the water. D) On land, in the air, and in the water. Show Answer Correct Answer: D) On land, in the air, and in the water. 46. Smog is what kind of pollution? A) Garbage. B) Water. C) Air. D) Land. Show Answer Correct Answer: C) Air. 47. According to the boxed information titled "ACTIVITY SHEET:Does Air Weigh Anything?" , what should the reader do right after tying an empty balloon to each string? A) Untie one balloon and blow it up. B) Run a piece of string through the center hole. C) Add small amounts of weight to the higher end of the yardstick, if it is uneven. D) Drill a small hole. Show Answer Correct Answer: C) Add small amounts of weight to the higher end of the yardstick, if it is uneven. 48. Reforestation activities by planting trees in bare forests affect the process of hydrological cycles and have a positive impact on flood prevention.The function of forest trees in the hydrological cycle is ..... A) Accelerate surface flow. B) Slow down the rain. C) Reducing rainfall. D) Improve infiltration. Show Answer Correct Answer: D) Improve infiltration. 49. Tornadoes and hurricanes are large areas of ..... pressure. A) High. B) Low. C) Average. D) No. Show Answer Correct Answer: B) Low. 50. Burning of coal releases large amount of ..... A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) None of These. Show Answer Correct Answer: B) Carbon dioxide. 51. What is the correct order of gases, from LARGEST to smallest amount? A) Oxygen, Nitrogen, other gases. B) Nitrogen, Oxygen, Other gases. C) Other gases, Oxygen, Nitrogen. D) None of the above. Show Answer Correct Answer: B) Nitrogen, Oxygen, Other gases. 52. *Particulate Pollution in China Dropped by 29% Within 6 Years A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 53. Air pollution means that ..... A) There are dangerous things like gas and smoke in the air. B) It's cloudy outside. C) People need air to breathe. D) People burn fossil fuels to drive cars. Show Answer Correct Answer: A) There are dangerous things like gas and smoke in the air. 54. The gas which helps in burning A) Oxygen. B) Nitrogen. C) Carbon dioxide. D) None of the above. Show Answer Correct Answer: A) Oxygen. 55. A storm that occurs with thunder and lightning is called a ..... A) Storm. B) Breeze. C) Hurricane. D) Thuderstorm. Show Answer Correct Answer: D) Thuderstorm. 56. Low pressure will usually bring what kind of weather? A) Sunny. B) Calm. C) Stormy. D) None of the above. Show Answer Correct Answer: C) Stormy. 57. Secondary air pollutant is: A) Aerosols. B) SO,. C) CO. D) PAN. Show Answer Correct Answer: D) PAN. 58. Full form of (CFCs). A) Chlorolurocarbons. B) Chlorofluorocarbons. C) All the above. D) None of the above. Show Answer Correct Answer: B) Chlorofluorocarbons. 59. Space shuttles fly in which layer? A) Stratosphere. B) Exosphere. C) Mesosphere. D) Thermosphere. E) Troposphere. Show Answer Correct Answer: D) Thermosphere. 60. What is the order of the layers of the atmosphere, starting with the layer closest to Earth's surface? A) Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. B) Stratosphere, Troposphere, Exosphere, Mesosphere, Thermosphere. C) Troposphere, Stratosphere, Thermosphere, Exosphere, Mesosphere. D) Troposphere, Stratosphere, Mesosphere, Exosphere, Thermosphere. Show Answer Correct Answer: A) Troposphere, Stratosphere, Mesosphere, Thermosphere, Exosphere. ← 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 6Class 7 Geography Chapter 4 Air Quiz 7Class 7 Geography Chapter 4 Air Quiz 8Class 7 Geography Chapter 4 Air Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books