This quiz works best with JavaScript enabled. Home > Cbse > Class 7 > Geography > Air > Class 7 Geography Chapter 4 Air – Quiz 11 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 11 (60 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Trees provide us with the following A) Fruit. B) Oxygen. C) Climate regulation. D) All of the above. Show Answer Correct Answer: D) All of the above. 2. Where do you have to show your passport? At the ..... A) Duty shops. B) Boarding lounge. C) Security control. D) Check-in desk. Show Answer Correct Answer: D) Check-in desk. 3. Every 1 in 5 people die from air pollution related diseases A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALSE. 4. What is meant by air pollution? A) The presence of soot in the air. B) The presence of dust in the air. C) The presence of smoke in the air. D) The presence of any pollutants in the air. Show Answer Correct Answer: D) The presence of any pollutants in the air. 5. A body of air that has the same temperature and moisture levels throughout is called what? A) Air Masses. B) A cold front. C) A warm front. D) Fronts. Show Answer Correct Answer: A) Air Masses. 6. What is the cause for starting of melting of Gangotri Glacier? A) Global Warming. B) Altitude. C) Heat. D) None of these. Show Answer Correct Answer: A) Global Warming. 7. The gas released during photosynthesis A) Carbon dioxide. B) Oxygen. C) Helium. D) Nitrogen. Show Answer Correct Answer: B) Oxygen. 8. A glider flies with the help of ..... A) Engines. B) Wind. C) All the above. D) None of the above. Show Answer Correct Answer: B) Wind. 9. Kissing Balloons:Blow up two balloons and attach a piece of string to each. Hold one balloon by the string in each hand and position the two balloons so that they are at your nose level and 6 inches apart. Blow hard into the space between the balloons. The pressure will push the balloons together. Where is there more air pressure? A) Outside of the two balloons. B) Between the two balloons. C) Equal pressure everywhere. D) None of the above. Show Answer Correct Answer: A) Outside of the two balloons. 10. The role of forest vegetation in the hydrological cycle is ..... A) Increase infiltration power. B) Accelerate the saturation of water vapor. C) Helps absorption of water in the soil. D) Supports condensation. Show Answer Correct Answer: A) Increase infiltration power. 11. Example of a leguminous plant A) Maize. B) Rose. C) Peas. D) Margo. Show Answer Correct Answer: C) Peas. 12. What is the most important thing to do when the weather is severe/extreme? A) Pray and stay safe. B) Go outside and run around. C) Hide in the blanket and scream. D) None of the above. Show Answer Correct Answer: A) Pray and stay safe. 13. Air masses are identified on the basis of temperature and A) Moisture content. B) Wind velocity. C) Type of precipitation. D) Atmospheric transparency. Show Answer Correct Answer: A) Moisture content. 14. Amount of mass in a given volume of air A) Humidity. B) Density. C) Altitude. D) Atmosphere. Show Answer Correct Answer: B) Density. 15. Which is the best indicator that precipitation is on the way? A) Low pressure. B) Low humidity. C) Low temperature. D) None of the above. Show Answer Correct Answer: A) Low pressure. 16. Aeroplanes need air to move or fly. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 17. What is a front? A) Measurements to make weather maps. B) Where warm air mass meets. C) A large body of air. D) A place where two different air masses meet. Show Answer Correct Answer: D) A place where two different air masses meet. 18. Any form of water that falls to the earth's surface from the sky. A) Precipitation. B) Groundwater. C) Collection. D) Clouds. Show Answer Correct Answer: A) Precipitation. 19. We can reduce air pollution by: A) Car pool and walk/bike more. B) Limit factories burning fossil fuels. C) Use more renewable energy sources. D) All of the above. Show Answer Correct Answer: D) All of the above. 20. Describe a continental air mass. A) Warm. B) Cold. C) Wet. D) Dry. Show Answer Correct Answer: D) Dry. 21. When we rub our hands together ..... A) Frictional force works between them. B) Our hands become warm. C) All off the above. D) None of the above. Show Answer Correct Answer: C) All off the above. 22. Which layer of the earth contains the most of helium gas? A) Mesosphere. B) Troposhere. C) Lonosphere. D) ExosphereTagslayers of atmosphere. Show Answer Correct Answer: D) ExosphereTagslayers of atmosphere. 23. What is a natural way pollution could occur? A) Wind turbines. B) Forest fires. C) Fossil fuels. D) Solar panels. Show Answer Correct Answer: B) Forest fires. 24. Air particles flow from high to low pressures until ..... is reached. A) New pressure. B) Equilibrium/equal. C) High pressure. D) Low pressure. Show Answer Correct Answer: B) Equilibrium/equal. 25. A weather map shows that a warm front is heading for Georgia. What type of weather will Georgia MOST LIKELY be getting soon? A) Sunny and warm. B) Dry and cold. C) Rainy and warm. D) None of the above. Show Answer Correct Answer: C) Rainy and warm. 26. This tool is used to measure air pressure A) Mercury Barometer. B) Aneroid Barometer. C) Both are correct. D) None of the above. Show Answer Correct Answer: C) Both are correct. 27. Smoke from ..... cause air pollution. A) Vehicles. B) Sofa. C) Cupboard. D) Fan. Show Answer Correct Answer: A) Vehicles. 28. During normal human respiration, glucose reacts with ..... to produce energy. A) Oxygen. B) Nitrogen. C) Blood. D) Water. Show Answer Correct Answer: A) Oxygen. 29. Which element is present in air? A) Neon. B) Argon. C) Helium. D) Xenon. Show Answer Correct Answer: B) Argon. 30. Name the disease that affects the skin when it is exposed to ultraviolet rays. A) Tuberculosis. B) Crown. C) Cancer. D) Malaria. Show Answer Correct Answer: C) Cancer. 31. Warm air molecules take up ..... A) Less space. B) More space. C) All the above. D) None of the above. Show Answer Correct Answer: B) More space. 32. Which of the following is NOT a problem that air pollution can cause? A) Water pollution. B) Asthma and bronchitis. C) Problems with children growing. D) Sore muscles. Show Answer Correct Answer: D) Sore muscles. 33. Which of these makes the air dirty? A) Birds. B) Smoke. C) Trees. D) None of the above. Show Answer Correct Answer: B) Smoke. 34. In which layer of the atmosphere is the ozone layer situated? A) Mesosphere. B) Troposphere. C) Thermosphere. D) Stratosphere. Show Answer Correct Answer: D) Stratosphere. 35. The condition which are required for combustion to take place are: A) Fuel. B) Ignition temperature. C) Oxygen. D) All of these. Show Answer Correct Answer: D) All of these. 36. Breathing in of air causes the chest cavity to ..... A) Contract. B) Expand. C) All the above. D) None of the above. Show Answer Correct Answer: B) Expand. 37. PrayerHas what /air/ spelling A) . B) . C) . D) . Show Answer Correct Answer: B) . 38. What is the name of the instrument used to measure atmospheric pressure? A) Barometer. B) Thermometer. C) Wind vane. D) None of the above. Show Answer Correct Answer: A) Barometer. 39. Which of the following products contains harmful CFC's? A) Refrigerator. B) Spray paint cans. C) Aerosol hairspray cans. D) All of these. Show Answer Correct Answer: D) All of these. 40. Pollution of SO2 destroys: A) Lichen. B) Algae. C) Fishes. D) Fungi. Show Answer Correct Answer: A) Lichen. 41. What happens during sea breeze? A) The cooler air that moves from the sea towards the land during night time. B) The warmer air that moves from the sea towards the land during daytime. C) The cooler air that moves from the sea towards the land during daytime. D) The cooler air that moves from the land towards the sea during daytime. Show Answer Correct Answer: C) The cooler air that moves from the sea towards the land during daytime. 42. What kind of pressure system is light and rises bringing wet, cloudy weather A) High pressure system. B) Low pressure system. C) All the above. D) None of the above. Show Answer Correct Answer: B) Low pressure system. 43. ..... gas in the air that helps plants make their own food. A) Carbon dioxide. B) Nitrogen. C) Oxygen. D) None of the above. Show Answer Correct Answer: A) Carbon dioxide. 44. During inhalation, which is true? A) The diaphragm curves and moves upwards. B) The thoracic cavity becomes smaller. C) Air pressure in the lungs increase. D) The rib cage moves down. Show Answer Correct Answer: C) Air pressure in the lungs increase. 45. TRUE or FALSE:Many people on Earth do not have access to clean water. A) TRUE. B) FALSE. C) All the above. D) None of the above. Show Answer Correct Answer: A) TRUE. 46. Hot air ..... and cold air ..... A) Sinks, Rises. B) Rises, Sink. C) Is fun, is lazy. D) None of the above. Show Answer Correct Answer: B) Rises, Sink. 47. The larger the parachute the ..... A) More drag. B) Less drag. C) More surface tension. D) Less air resistance. Show Answer Correct Answer: A) More drag. 48. How does letting out hot air make the balloon sink? A) Since there is more hot air, the balloon can keep the same weight in the air. B) Since there is less hot air, the balloon cannot keep the same weight in the air. C) Since there is less hot air, it doesn't matter what happens to the balloon. D) Since there is more hot air, the balloon will land fine. Show Answer Correct Answer: B) Since there is less hot air, the balloon cannot keep the same weight in the air. 49. Which gases makes the bulk of atmosphere? A) Nitrogen. B) Oxygen. C) Both A & B. D) None of these. Show Answer Correct Answer: C) Both A & B. 50. Which gas creates green house effect in the atmosphere? A) Carbon dioxide. B) Ozone. C) Oxygen. D) None of these. Show Answer Correct Answer: A) Carbon dioxide. 51. Death rates are highest in which type of country A) Low income. B) Medium income. C) Low to medium income. D) Medium to high income. Show Answer Correct Answer: C) Low to medium income. 52. Air takes up space and ..... pressure. A) Lowers. B) Raises. C) Exerts. D) Provides. Show Answer Correct Answer: C) Exerts. 53. In gases molecules are packed A) Loosely. B) Very loosely. C) All the above. D) None of the above. Show Answer Correct Answer: B) Very loosely. 54. One student said, " Both air particles and water particles in the bottle get compressed when the jar is squeezed. Do you agree or disagree? A) I disagree. Air particles can be compressed, but you cant change the volume of liquid water (It cant be compressed). B) I agree. Air particles cant be compressed, but you can change the volume of water. C) All the above. D) None of the above. Show Answer Correct Answer: A) I disagree. Air particles can be compressed, but you cant change the volume of liquid water (It cant be compressed). 55. A rapid growth of algae could lead to: A) A reduction of oxygen levels in the water. B) Water that can support more life. C) An increase in oxygen levels. D) None of the above. Show Answer Correct Answer: A) A reduction of oxygen levels in the water. 56. Wind does not help in the movement of which of the following? A) Sailing yacht. B) Spinning. C) Ceiling fan. D) Wind mill. Show Answer Correct Answer: C) Ceiling fan. 57. When sulfur dioxide and nitrogen monoxide combine with moisture in the atmosphere and form precipitation with a lower ph then normal rain water it forms A) Pollution in the air. B) Acid rain. C) Acid precipitation. D) A and c. E) B and c. Show Answer Correct Answer: E) B and c. 58. Cold air exerts ..... pressure than warm air. A) The same. B) More. C) Less. D) None of the above. Show Answer Correct Answer: B) More. 59. Does air contains water vapour? A) Yes. B) No. C) All the above. D) None of the above. Show Answer Correct Answer: A) Yes. 60. The place at an airport, or border where travelers' bags are examined for illegal or taxable goods. A) Departure lounge. B) Customs. C) Visa. D) Gate. Show Answer Correct Answer: B) Customs. ← 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