This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Air > Class 7 Geography Chapter 4 Air – Quiz 4 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 4 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. What color attracts the sun? This color shirt will make you feel even hotter when standing in the sun? A) White. B) Yellow. C) Black. D) Pink. Show Answer Correct Answer: C) Black. 2. A gentle wind is called ..... and a strong wind is called ..... A) 1. breeze, 2. storm. B) 1. thunder, 2. lightning. C) 1. storm, 2. breeze. D) 1. lightning, 2. thunder. Show Answer Correct Answer: A) 1. breeze, 2. storm. 3. Michael observes the air pressure daily. Over the last couple of days the air pressure has been dropping. What weather will Michael most likely observe as a result? A) Increasingly clear skies and more wind. B) Increasingly clear skies and dry weather. C) Increasingly cloudy skies and possible storms. D) None of the above. Show Answer Correct Answer: C) Increasingly cloudy skies and possible storms. 4. In liquids molecules are A) Closely packed. B) Loosely packed. C) Very loosely packed. D) None of the above. Show Answer Correct Answer: B) Loosely packed. 5. Which of these problems can be caused by air pollution? A) Respiratory problems. B) Reduced land spaces for humans. C) Decrease in diseases for humans. D) Decrease in global temperatures. Show Answer Correct Answer: A) Respiratory problems. 6. A wet and cold air mass would be a ..... A) Maritime polar. B) Continental tropical. C) Maritime tropical. D) Continental polar. Show Answer Correct Answer: A) Maritime polar. 7. Discolouring of Taj Mahal is due to major pollutants released from the industries nearby. Name one of the major industry there. A) Mathura Refinery. B) Nayara Energy Refinery. C) Kochi Refinery. D) Jamnagar Refinery. Show Answer Correct Answer: A) Mathura Refinery. 8. Which of the following are part of weather forecast in the newspapers? A) Temperature. B) Humidity. C) Time of Sunset. D) All of These. Show Answer Correct Answer: D) All of These. 9. Why do people burn fossil fuels? A) To make acid rain. B) People do not burn fossil fuels. C) To make electricity and to fuel cars and trucks. D) To make more air pollution. Show Answer Correct Answer: B) People do not burn fossil fuels. 10. What does air content? A) Dust. B) Water vapour. C) All of these. D) Germs. Show Answer Correct Answer: C) All of these. 11. Why do we need air? A) To eat. B) To drink. C) To breath. D) None of the above. Show Answer Correct Answer: C) To breath. 12. What happens when we burn fossil fuels? A) Nothing happens. Fossil fuels help to keep the air around us clean. B) A lot of gases are released into the air causing air pollution. C) All the above. D) None of the above. Show Answer Correct Answer: B) A lot of gases are released into the air causing air pollution. 13. Air pollution occurs when gases, smoke, or dust get into the air and make it ..... A) Clean. B) Dirty. C) All the above. D) None of the above. Show Answer Correct Answer: B) Dirty. 14. What type of front occurs when a warm air mass and a cold air mass do not have enough energy to move the other one out of the way? A) Cold front. B) Stationary front. C) Warm front. D) Occluded front. Show Answer Correct Answer: B) Stationary front. 15. Choose any ONE thing that DOES NOT need air to live. A) Lion. B) Plants. C) Fish. D) Fan. Show Answer Correct Answer: D) Fan. 16. Creates slow, steady light precipitation. A) Stationary front. B) Warm front. C) Cold front. D) Occluded front. Show Answer Correct Answer: B) Warm front. 17. ..... is the result of the weight of a column of air pushing on an area. A) Air pressure. B) Density. C) Volume. D) None of the above. Show Answer Correct Answer: A) Air pressure. 18. An air tank uses pressure ..... to transfer the built up air through hoses. A) Pumps. B) Pressure. C) Pop. D) Force. Show Answer Correct Answer: A) Pumps. 19. The branch of science concerned with the process and phenomena of the atmosphere, especially as a means of forecasting the weather is A) Air science. B) Neurology. C) Meteorology. D) Astrology. Show Answer Correct Answer: C) Meteorology. 20. Why air is considered a mixture? A) Each gas has no color, so cannot be differentiate. B) Each gas still shows its original properties when separated. C) All the above. D) None of the above. Show Answer Correct Answer: B) Each gas still shows its original properties when separated. 21. Nitrogen is an active component. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 22. Does air pollution cause tears in the ozone layer? A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 23. My flight from Australia will ..... in KLIA at 3pm. A) Cross. B) Fly. C) Check. D) Land. Show Answer Correct Answer: D) Land. 24. What are different ways people would fly? A) Balloons and airplanes. B) Balloons, airships, and airplanes. C) Kites and balloons. D) Airships and silk flags. Show Answer Correct Answer: B) Balloons, airships, and airplanes. 25. What is the measurement of the longest layer of the atmosphere? A) 60 km. B) 605 km. C) 705 km. D) 25 km. Show Answer Correct Answer: B) 605 km. 26. When a person is caught with a fire, he is wrapped in a thick blanket so as to A) Cut off the Oxygen supply. B) Cut off the Nitrogen supply. C) Keep the body cool. D) All the above. Show Answer Correct Answer: A) Cut off the Oxygen supply. 27. Crocodiles breathe through A) Lungs. B) Gills. C) Spiracles. D) None of the above. Show Answer Correct Answer: A) Lungs. 28. Which type of fire extinguisher should be used on a fire involving flammable liquids such as grease or oil? A) Dry Chemical. B) Carbon Dioxide. C) Water. D) Foam. Show Answer Correct Answer: B) Carbon Dioxide. 29. Sucking a drink through a straw ..... where is there more pressure? A) Going out of the straw. B) Going inside of the straw. C) Equal pressure. D) None of the above. Show Answer Correct Answer: A) Going out of the straw. 30. Rue or False:Air resistance is a type of friction. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 31. Which pair below are the two main sources of air pollution in urban (populated) areas? A) Vehicles, volcanoes. B) Vehicles, industries. C) Industries, agriculture. D) All of the above. Show Answer Correct Answer: B) Vehicles, industries. 32. What is air pollution is contamination A) Air. B) Water. C) Land. D) Plants. Show Answer Correct Answer: A) Air. 33. Which of the following gases protect us from the UV rays? A) Carbon-dioxide. B) Nitrogen. C) Ozone. D) None of the above. Show Answer Correct Answer: C) Ozone. 34. The air occupies space but has no shape A) TRUE. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 35. Falling air pressure usually indicates a storm is approaching A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 36. The ..... protects people from the effects of too much ultraviolet radiation. A) Ozone layer. B) Cloud cover. C) Smog layer. D) Temperature inversion. Show Answer Correct Answer: A) Ozone layer. 37. Exhaust from vehicles is one of the largest forms of air pollution. What can communities do to reduce air pollution from vehicles? A) Fine people that own cars. B) Encourage people to walk, ride a bike, or carpool. C) Charge more money to buy a car. D) None of the above. Show Answer Correct Answer: B) Encourage people to walk, ride a bike, or carpool. 38. Ground-level ozone in most major United States cities results primarily from A) Motor-vehicle exhaust. B) Producing electric power. C) Burning coal. D) Burning fuel for cooking. Show Answer Correct Answer: A) Motor-vehicle exhaust. 39. Which event propelled the United States into World War II? A) The bombing of Pearl Harbor. B) The bombing of Hiroshima. C) Hitler's invasion of Poland. D) The discovery of German spies in America. Show Answer Correct Answer: A) The bombing of Pearl Harbor. 40. Precipitation that comes down to the earth in liquid form is called A) Hail. B) Water. C) Water droplets. D) Rain. Show Answer Correct Answer: D) Rain. 41. Rust is called ..... A) Ferrous oxide. B) Magnesium sulphate. C) Ferrous nitrate. D) Hydrated ferric oxide. Show Answer Correct Answer: D) Hydrated ferric oxide. 42. There is a covering of air all around the ..... A) India. B) Earth. C) All the above. D) None of the above. Show Answer Correct Answer: B) Earth. 43. Which is the layer of atmosphere that extends from 500 km to outer space? A) Exosphere. B) Mesosphere. C) Stratosphere. D) Ionosphere. Show Answer Correct Answer: A) Exosphere. 44. Air has mass and ..... A) Occupies space. B) Do not occupies space. C) All the above. D) None of the above. Show Answer Correct Answer: A) Occupies space. 45. What has the government done to protect the Taj Mahal? A) Industries were ask to to switch to better fuels like Compressed Natural Gas (CNG) and Liquefied Petroleum Gas (LPG). B) Automobiles with unleaded petrol were to be used in or near Taj Mahal area. C) None of the above. D) All of the above. Show Answer Correct Answer: D) All of the above. 46. Another name for air resistance is ..... A) Gravity. B) Streamline. C) Drag. D) Buoyancy. Show Answer Correct Answer: C) Drag. 47. Where you take your luggage to check it in if you already have a boarding pass A) Baggage claim. B) Runaway. C) Gatw. D) Baggage drop off. Show Answer Correct Answer: D) Baggage drop off. 48. Earth's atmosphere is pressuring each square inch with a force of ..... A) 14.7 pounds per square inch. B) 24 kgs per square inch. C) 24 pounds per square inch. D) 14.7 kgs per sqaure inch. Show Answer Correct Answer: A) 14.7 pounds per square inch. 49. The ..... at the rear of the plane provides stability A) Tail. B) Rudder. C) Flaps. D) None of the above. Show Answer Correct Answer: A) Tail. 50. Taj Mahal is one of the ..... of the world A) Seven wonders. B) Cleanest monuments. C) Most beautiful monuments. D) None of the above. Show Answer Correct Answer: A) Seven wonders. 51. What type of weather would you expect to see after a cold front has passed through an area? A) Cool and clear skies. B) Warm and humid. C) Thunderstorms. D) Foggy. Show Answer Correct Answer: A) Cool and clear skies. 52. The ..... that takes place in factories, vehicles, kitchens etc. gives out smoke. A) Freezing. B) Burning. C) All the above. D) None of the above. Show Answer Correct Answer: B) Burning. 53. In the boxed information titled "What I Should Do, " the word balanced means to- A) Has more mass. B) Hangs straight. C) Kept in a steady position. D) The yardstick. Show Answer Correct Answer: C) Kept in a steady position. 54. When sulphur dioxide reacts with water and oxygen in air, it results in the productionof ..... A) Snow. B) Acid rains. C) Carbon dioxide. D) Nitrogen oxide. Show Answer Correct Answer: B) Acid rains. 55. Air is a mixture of several gases. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 56. Which one of the following pollutant gases is the main cause of acid rain? A) Carbon dioxide. B) Sulphur dioxide. C) Methane. D) Carbon monoxide. Show Answer Correct Answer: B) Sulphur dioxide. 57. Which of the following is a solution to reduce air pollution? A) Use public transport more. B) Dust storm. C) Volcano eruption. D) Methane from landfills. Show Answer Correct Answer: A) Use public transport more. 58. Describe an arctic air mass. A) Dry. B) Wet. C) Warm. D) Cold. Show Answer Correct Answer: D) Cold. 59. Air is needed for burning? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 60. The horizontal stabilizer, vertical stabilizer, rudder and elevator together are called the " ..... " A) Fondness. B) Wings. C) Fuselage. D) Flaps. Show Answer Correct Answer: A) Fondness. ← 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 5Class 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