This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 45 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 45 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. ..... is produced when fuels containing sulfur are burned in the presence of oxygen. A) Carbon dioxide. B) Sulfur oxides. C) Carbon monoxide. D) Greenhouse gas. Show Answer Correct Answer: B) Sulfur oxides. 2. Inhaled air has ..... carbon dioxide than exhaled air. A) More. B) Less. C) All the above. D) None of the above. Show Answer Correct Answer: B) Less. 3. The Full form of CNG A) Compressed Natural Gas. B) Compressed Nitrogen gas. C) Common Natural gas. D) Converted nitrogen gas. Show Answer Correct Answer: A) Compressed Natural Gas. 4. As soon as I ..... the plane, I sat down in the first empty seat. A) Got in. B) Dropped off. C) Took off. D) Picked up. Show Answer Correct Answer: A) Got in. 5. Which of the following is present in air? A) Dust. B) Table. C) Chair. D) Fan. Show Answer Correct Answer: A) Dust. 6. Liquids do not have fixed Shape. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 7. We ..... air inside a balloon. A) Burst. B) Fill. C) Add. D) None of the above. Show Answer Correct Answer: B) Fill. 8. When a cold front is approaching, what happens? A) Warm air is pushing under cold air causing humid weather and lower temperatures. B) Warm air is pushing under cold air causing humid weather and higher temperatures. C) Warm air rises, cools, and causes rain and thunderstorms. D) Cold air is pushed over warm air causing rain and thunderstorms. Show Answer Correct Answer: C) Warm air rises, cools, and causes rain and thunderstorms. 9. What are the other uses of air? A) Air helps in breathing. B) Regulation temperature. C) Hearing. D) None of the above. Show Answer Correct Answer: A) Air helps in breathing. 10. Source of carbon monoxide A) Incomplete combustion of fossil fuels. B) Combustion of fossil fuels. C) Decomposition of plant and animal matters. D) Photochemical reaction of CO$_{2}$. Show Answer Correct Answer: A) Incomplete combustion of fossil fuels. 11. What is the path of carbon dioxide as it leaves the lungs? A) Alveolus $\rightarrow$ bronchiole $\rightarrow$ bronchus $\rightarrow$ trachea. B) Alveolus $\rightarrow$ bronchus $\rightarrow$ bronchiole $\rightarrow$ trachea. C) Trachea $\rightarrow$ bronchiole $\rightarrow$ bronchus $\rightarrow$ alveolus. D) Trachea $\rightarrow$ bronchus $\rightarrow$ bronchiole $\rightarrow$ alveolus. Show Answer Correct Answer: A) Alveolus $\rightarrow$ bronchiole $\rightarrow$ bronchus $\rightarrow$ trachea. 12. Which of these is NOT a primary air pollutant? A) Smog. B) Particulate matter (PM2.5). C) Carbon monoxide (C0). D) Sulfur dioxides (S02). Show Answer Correct Answer: A) Smog. 13. What do you mean by the word 'barometer?' A) Instrument that is used to measure air pressure. B) Instrument that is used to measure time. C) Instrument that is used to measure mass. D) Instrument that is used to measure length. Show Answer Correct Answer: A) Instrument that is used to measure air pressure. 14. The summer month lasts from ..... to ..... A) June to April. B) July to September. C) April to June. D) None of the above. Show Answer Correct Answer: C) April to June. 15. An ..... is a vehicle for traveling through the air, and includes lighter-than-air vehicles such as balloons and also vehicles without fixed wings, such as helicopters. A) Aircraft. B) Aerodynamic. C) Aerostatic. D) Airlift. Show Answer Correct Answer: A) Aircraft. 16. What is the average height of the troposphere? A) 3 km. B) 6 km. C) 9 km. D) 13 km. Show Answer Correct Answer: D) 13 km. 17. Air exert pressure A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: A) True. 18. Mountaineers carry oxygen cylinders with them because A) There is no oxygen on high altitude. B) There is deficiency of oxygen on mountains at high altitude. C) Oxygen is used for cooking. D) Oxygen keeps them warm at low temperature. Show Answer Correct Answer: B) There is deficiency of oxygen on mountains at high altitude. 19. To reduce the air pollution, we should not use Compressed Natural Gas. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 20. We need air to ..... A) Breathe. B) Eat. C) All the above. D) None of the above. Show Answer Correct Answer: A) Breathe. 21. The Montreal Protocol was passed in A) 1985. B) 1986. C) 1987. D) 1982. Show Answer Correct Answer: C) 1987. 22. What are the long-term effects of air pollution on the environment? A) Acid rain. B) Oil Spills. C) Too much food to eat. D) All of the above. Show Answer Correct Answer: A) Acid rain. 23. HIP stands for A) Highest Interconnected point. B) Higher Interconnected point. C) Highest Intermediate Point. D) Higher Intermediate Point. Show Answer Correct Answer: D) Higher Intermediate Point. 24. What type of wind is the northeast trade winds? A) Permenant winds. B) Temporary winds. C) Local winds. D) Seasonal windsTagstypes of winds. Show Answer Correct Answer: A) Permenant winds. 25. In mountainous and rainy areas, people build houses with ..... A) Sloping roof. B) Flat roof. C) None of the above. D) None of the above. Show Answer Correct Answer: A) Sloping roof. ← 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