This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 25 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 25 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. A cold front is, , , , , A) A cold air mass that bumps against a warm air mass. B) A warm air mass meets a colder air mass and slowly rises over it. C) All the above. D) None of the above. Show Answer Correct Answer: A) A cold air mass that bumps against a warm air mass. 2. ..... can be used as Air Ambulance. A) Fighter plane. B) Helicopter. C) All the above. D) None of the above. Show Answer Correct Answer: B) Helicopter. 3. Global warming is due to A) Greenhouse gases. B) Nitric and sulfuric acids. C) CFCs. D) Ozone depletion. Show Answer Correct Answer: A) Greenhouse gases. 4. ..... is present all around us. A) Air. B) Water. C) Water Vapour. D) None of the above. Show Answer Correct Answer: A) Air. 5. Air pollution is the cleaning of the air A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 6. If astronauts didn't wear spacesuits in the moon what will happen? A) The blood vessels will burst. B) Astronauts will be fine. C) He will float in the space and be alive. D) None of the above. Show Answer Correct Answer: A) The blood vessels will burst. 7. A ..... can damage many things. A) Storm. B) Breeze. C) All the above. D) None of the above. Show Answer Correct Answer: A) Storm. 8. Winds form in response to the ..... A) Uneven heating of the Earth's surface. B) Rotation of the Earth on its axis. C) Friction between ocean current and the atmosphere. D) Breeze blowing on the Earth's surface. Show Answer Correct Answer: A) Uneven heating of the Earth's surface. 9. The building at an airport that is used by passengers leaving or arriving by aircraft. A) Terminal. B) Departure lounge. C) Check-in desk. D) Baggage reclaim. Show Answer Correct Answer: A) Terminal. 10. What do greenhouse gases do? A) Make the sky blue. B) Trap heat inside our atmosphere. C) Keep out sunlight. D) Keep plants growing. Show Answer Correct Answer: B) Trap heat inside our atmosphere. 11. What weather instrument measures air pressure? A) Hygrometer. B) Anemometer. C) Thermometer. D) Barometer. Show Answer Correct Answer: D) Barometer. 12. What is greenhouse effect related to? A) Animals. B) Water. C) Plants. D) Air. Show Answer Correct Answer: C) Plants. 13. There is air till a height of about ..... km from the Earth A) 100. B) 50. C) 200. D) None of the above. Show Answer Correct Answer: B) 50. 14. Which property of Air is observed when air is filled in tyres? A) Air is needed for burning. B) Air exerts pressure. C) Air has mass. D) Air occupies space. Show Answer Correct Answer: D) Air occupies space. 15. 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. 16. Where do you have to show your passport? At the ..... A) Check-in desk. B) Security control. C) Duty shops. D) Boarding lounge. Show Answer Correct Answer: A) Check-in desk. 17. 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. 18. What is meant by air pollution? A) The presence of soot in the air. B) The presence of smoke in the air. C) The presence of dust 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. 19. A body of air that has the same temperature and moisture levels throughout is called what? A) Fronts. B) Air Masses. C) A cold front. D) A warm front. Show Answer Correct Answer: B) Air Masses. 20. Air is a mixture of several ..... A) Gases. B) Dust. C) Water vapour. D) None of the above. Show Answer Correct Answer: A) Gases. 21. 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. 22. The gas released during photosynthesis A) Carbon dioxide. B) Nitrogen. C) Oxygen. D) Helium. Show Answer Correct Answer: C) Oxygen. 23. 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. 24. 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. 25. The role of forest vegetation in the hydrological cycle is ..... A) Helps absorption of water in the soil. B) Supports condensation. C) Accelerate the saturation of water vapor. D) Increase infiltration power. Show Answer Correct Answer: D) Increase infiltration power. ← PreviousNext →Related 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 8Class 7 Geography Chapter 4 Air Quiz 9Class 7 Geography Chapter 4 Air Quiz 10 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books