This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 33 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 33 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... 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. 2. 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. 3. Cold air (RISES/ FALLS) ..... A) RISES. B) FALLS. C) All the above. D) None of the above. Show Answer Correct Answer: B) FALLS. 4. We can not see or touch air but it is always around us. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 5. Why is nitrogen used for flushing food packets A) To reduce combustion. B) To reduce bacterial growth. C) None of above. D) None of the above. Show Answer Correct Answer: A) To reduce combustion. 6. Which of the following would most likely neutralize the effect of acid rain on bodies of water, based on the composition of soils and bedrock in the region? A) An open plain underlain by granite. B) A forest underlain by limestone. C) A valley that is frequently shrouded in fog. D) An area downwind of a coal-burning electrical plant. Show Answer Correct Answer: B) A forest underlain by limestone. 7. What is the most likely reason the author begins the selection with the ideas inparagraph 1? A) To describe an activity that the reader may not have experienced. B) To suggest the idea of an activity. C) To introduce the topic or main idea of the selection. D) All of these. Show Answer Correct Answer: D) All of these. 8. Which of the following is NOT an effect of air pollution? A) Respiratory and Heart Problems. B) Child Health Problems. C) Global Warming. D) Acid Rain. E) Deforestation. Show Answer Correct Answer: E) Deforestation. 9. The weather characteristics of air mass result primarily from its A) Geographic origin. B) Size and shape. C) Rate of movement. D) Direction of movement. Show Answer Correct Answer: A) Geographic origin. 10. Tiny living organisms that cause diseases ..... A) Ants. B) Earthworms. C) Germs. D) None of the above. Show Answer Correct Answer: C) Germs. 11. The gas, whose amount varies with weather changes, is ..... A) Helium. B) Nitrogen. C) Water vapour. D) Oxygen. Show Answer Correct Answer: C) Water vapour. 12. Air is a ..... resource A) Natural. B) Artificial. C) All the above. D) None of the above. Show Answer Correct Answer: A) Natural. 13. A strong wind with rain and thunder is ..... A) Storm. B) Gale. C) Breeze. D) None of the above. Show Answer Correct Answer: A) Storm. 14. If an air mass formed over land, and is mostly dry, which descriptor will likely be part of its name? A) Tropical. B) Arctic. C) Maritime. D) Continental. Show Answer Correct Answer: D) Continental. 15. ..... is the mass of air surrounding the Earth. A) Atom. B) Earth. C) Universe. D) Atmosphere. Show Answer Correct Answer: D) Atmosphere. 16. Example of local wind blowing in summer in north India. A) To. B) Breeze. C) Air. D) None of the above. Show Answer Correct Answer: A) To. 17. Which of the following doesn't increase air pollution ..... A) Smoke from forest fire. B) Constructing large chimneys. C) Germs from coughing and sneezing. D) Stone dust raised by crushing of stones in quarries. Show Answer Correct Answer: B) Constructing large chimneys. 18. How would you know the air con gas hasbeen fully recovered from the system? A) The gauge on the high pressure sidereads a positive pressure. B) The gauge on the low pressure sidereads a negative pressure. C) Bothgauges read zero pressure at the end of the recovery process. D) Both gauges read a positivepressure of 20 Bar at the end of the recovery process. Show Answer Correct Answer: C) Bothgauges read zero pressure at the end of the recovery process. 19. Rapidly moving cold air mass runs into a warm air mass the cold air slides under the warm air. This is called a ..... A) Cold front. B) Warm front. C) Stationary front. D) None of the above. Show Answer Correct Answer: A) Cold front. 20. What is the gaseous form of water called? A) Ice. B) Water vapour. C) Dust. D) Oxygen. Show Answer Correct Answer: B) Water vapour. 21. Air pollution is caused by ..... and ..... A) Natural. B) Human-made. C) Both (a) and (b). D) None of the above. Show Answer Correct Answer: C) Both (a) and (b). 22. The part of air which all living things need to breathe in is ..... A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Hydrogen. Show Answer Correct Answer: A) Oxygen. 23. Wich is the purest form of water? A) Distilled water. B) Filtered water. C) Evaporated water. D) Condensed water. Show Answer Correct Answer: A) Distilled water. 24. Which one of the following gases is present in the atmosphere in the highest amount? A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) Lithium. Show Answer Correct Answer: C) Nitrogen. 25. We need air for A) Breathing. B) Burning. C) Drying clothes. D) All of the above. Show Answer Correct Answer: D) All of the above. ← 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