This quiz works best with JavaScript enabled. Home > Class 7 > Class 7 Geography Chapter 4 Air – Quiz 17 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Class 7 Geography Chapter 4 Air Quiz 17 (25 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Rougher surfaces have ..... A) Greater friction. B) Less friction. C) The same level of friction. D) None of the above. Show Answer Correct Answer: A) Greater friction. 2. What type of government did the fire nation have A) Dictatorship. B) Democracy. C) Monarchy. D) Republic. Show Answer Correct Answer: A) Dictatorship. 3. Which element of weather is measured in degree Celsius? A) Temperature. B) Pressure. C) Wind. D) Gravity. Show Answer Correct Answer: A) Temperature. 4. ..... can blow away things. A) Breeze. B) Storm. C) All the above. D) None of the above. Show Answer Correct Answer: B) Storm. 5. Indoor air pollution is caused by ..... A) Chemicals we bring into our homes and use. B) Outdoor air pollution entering the home. C) Fumes from cooking and baking. D) Smog and acid precipitation. Show Answer Correct Answer: A) Chemicals we bring into our homes and use. 6. The nitrogen-converting bacteria, Rhizome are found in the ..... ? A) Roots. B) Root nodules. C) Soil. D) Plant Tagsairnitrogen. Show Answer Correct Answer: B) Root nodules. 7. Which of these problems caused by air pollution? A) Respiratory Problems. B) Reduce food sources of humans. C) Increase disease for humans. D) Decrease in global temperature. Show Answer Correct Answer: A) Respiratory Problems. 8. The large part of the air is covered by ..... A) Nitrogen. B) Oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: A) Nitrogen. 9. Air transport is the ..... way to travel. A) Slow. B) Fastest. C) Cheapest. D) Slowest. Show Answer Correct Answer: B) Fastest. 10. All animals breathe A) Carbon dioxide. B) Oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: B) Oxygen. 11. The ..... moves left and right to control the left or right movement of the plane A) Rudder. B) Tail. C) Fin. D) None of the above. Show Answer Correct Answer: A) Rudder. 12. If contamination within an airconditioning system is suspected and a flushing procedure is to be carried outwhat component should also be changed? A) Compressor. B) ReceiverDrier. C) TXV. D) Condenser. Show Answer Correct Answer: B) ReceiverDrier. 13. In the morning, Carlos noticed that the air pressure reading on the barometer was beginning to drop. What kind of weather can he most likely expect in the evening? A) The weather will be cloudy with a chance of rain. B) The weather will be warmer with clear skies. C) The weather will be clear and windy. D) The weather will be sunny and cool. Show Answer Correct Answer: A) The weather will be cloudy with a chance of rain. 14. What are are other uses of AIR? A) Hearing, Regulating Temperature,. B) Hearing, Regulating Temparature, Compressed Air, Wind. C) All the above. D) None of the above. Show Answer Correct Answer: B) Hearing, Regulating Temparature, Compressed Air, Wind. 15. ..... present in air is called humidity. (Fill in the blanks) A) Water. B) Water vapour. C) Dust. D) Oxygen. Show Answer Correct Answer: B) Water vapour. 16. Polluted air contains A) Germs. B) Smoke. C) Dust. D) All of these. Show Answer Correct Answer: D) All of these. 17. Air particles flow from areas of high to areas of A) Low pressure. B) Equal pressure. C) Neutral pressure. D) High pressure. Show Answer Correct Answer: A) Low pressure. 18. Wich of the following gases are present most in the atmosphere? A) Nitrogen. B) Oxygen. C) All the above. D) None of the above. Show Answer Correct Answer: A) Nitrogen. 19. What are the effects of warm fronts on weather? A) Warm fronts bring cooler temperatures and strong winds. B) Warm fronts have no effect on weather. C) Warm fronts bring colder temperatures and heavy snowfall. D) Warm fronts bring warmer temperatures and steady precipitation. Show Answer Correct Answer: D) Warm fronts bring warmer temperatures and steady precipitation. 20. The temperature decreases with increase in the attitude in which of the following layer? A) STRATOSPHERE. B) TROPOSPHERE. C) MESOSPHERE. D) IONOSPHERE. Show Answer Correct Answer: B) TROPOSPHERE. 21. Which gas is required by plants for photosynthesis. A) Oxygen. B) Carbon dioxide. C) Nitrogen. D) None of the above. Show Answer Correct Answer: B) Carbon dioxide. 22. The plants take nitrogen directly from the atmosphere. A) True. B) False. C) All the above. D) None of the above. Show Answer Correct Answer: B) False. 23. Which of the following activity requires presence of air? A) Flying a kite. B) Walking to school. C) Watering a plant. D) None of the above. Show Answer Correct Answer: A) Flying a kite. 24. The bottom of valleys typically has high or low pressure? A) High pressure. B) Low pressure. C) All the above. D) None of the above. Show Answer Correct Answer: A) High pressure. 25. A mixture of smoke, fog and chemicals in the air is known as ..... A) Oxygen. B) Radiation. C) Smog. D) None of the above. Show Answer Correct Answer: C) Smog. ← 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