This quiz works best with JavaScript enabled. Home > Agriculture > Weather > Meteorology > Principles Of Meteorology – Quiz 18 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Principles Of Meteorology Quiz 18 (30 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. The form of oxygen that combines three oxygen atoms into each molecule is called ..... A) Diatomic Oxygen. B) Ozone. C) Oxyacetylene. D) Its final form. Show Answer Correct Answer: B) Ozone. 2. A storm with spiraling winds that (1) forms over warm ocean water, (2) is several hundred miles wide, (3) lasts up to three weeks, (4) and usually has winds of less than 180 mph is a A) Tornado. B) Thunderstorm. C) Hurricane. D) Water spout. Show Answer Correct Answer: C) Hurricane. 3. Which is most often a result of a warm air mass moving over a cooler air mass? A) An increase in air pressure. B) A decrease in wind speed. C) An increase in precipitation. D) A decrease in cloud cover. Show Answer Correct Answer: C) An increase in precipitation. 4. As water vapor rises into the atmosphere how does this impact the atmospheric conditions? A) Relative humidity will decrease as clouds form. B) Relative humidity will increase as clouds form. C) Relative humidity will decrease as clouds dissipate. D) Relative humidity will increase as clouds dissipate. Show Answer Correct Answer: B) Relative humidity will increase as clouds form. 5. What percentage of our atmosphere is made up of other gases such as argon, water vapor, and carbon dioxide? A) 78%. B) 90%. C) 21%. D) 1%. Show Answer Correct Answer: D) 1%. 6. In which direction do prevailing westerlies flow? A) FROM the east. B) FROM the west. C) FROM the north. D) FROM the south. Show Answer Correct Answer: B) FROM the west. 7. Warm air tends to move which direction in the northern hemisphere? A) Towards the north. B) Towards the south. C) Towards the west. D) Towards the east. Show Answer Correct Answer: A) Towards the north. 8. Weather is a ..... term effect but climate is ..... term. A) High, Low. B) Short, long. C) Long, short. D) Warm, Cold. Show Answer Correct Answer: B) Short, long. 9. What is the name for this air mass?formed over land in a warm region so the air is dry & warm with low pressure A) Continental polar. B) Maritime tropical. C) Maritime polar. D) Continental tropical. Show Answer Correct Answer: D) Continental tropical. 10. What type of cloud is a stratus cloud? A) Vertical. B) Middle. C) Low. D) High. Show Answer Correct Answer: C) Low. 11. The gradual increase in the temperature of the atmosphere is known as ..... A) Methane. B) Carbon Dioxide Gases. C) Greenhouse Effect. D) Global Warming. Show Answer Correct Answer: D) Global Warming. 12. What is the best reason tornadoes form most often in the "Tornado Alley" area of the central United States? A) Warm, humid air from the south meets cold, dry air from the north over the plains. B) The heavy winter snowfall in the plains causes tornadoes in the spring. C) The calm winds on the plains all collect into tornadoes. D) The central US is not really affected by hurricanes, so they get tornadoes instead. Show Answer Correct Answer: A) Warm, humid air from the south meets cold, dry air from the north over the plains. 13. The temperature at which water vapor condenses is the A) Freezing point. B) Dew point. C) Humidity. D) Relative humidity. Show Answer Correct Answer: B) Dew point. 14. What are the wind zones A) Wind speed. B) Global trade westerlies. C) Tropical temperate polar. D) Abcdefg. Show Answer Correct Answer: B) Global trade westerlies. 15. What is the relative humidity if the dry bulb temperature is 160C and the wet bulb temperature is 100C? A) 4%. B) 45%. C) 33%. D) 14%. Show Answer Correct Answer: B) 45%. 16. What happens when a warm moist air mass and a cooler dry air mass meet at Earth's surface? A) Stormy weather builds up. B) The sky becomes clear. C) Winds die down. D) There are fewer clouds. Show Answer Correct Answer: A) Stormy weather builds up. 17. What is a true fact about the mesosphere? A) It is the hottest layer. B) Northern Lights happen here. C) The ozone layer is found here. D) Meteors burn up here. Show Answer Correct Answer: D) Meteors burn up here. 18. When a warm air mass and a cold air mass meet and no movement occurs, the result is a(n) A) Occluded front. B) Warm front. C) Cold front. D) Stationary front. Show Answer Correct Answer: D) Stationary front. 19. Whats the third layer of the atmosphere that has meteors and is the coldest layer? A) Troposphere. B) Stratosphere. C) Thermosphere. D) Mesosphere. Show Answer Correct Answer: D) Mesosphere. 20. Which of the following best describes the general air temperature on a cloudy night? A) Higher than on a clear night. B) Lower than on a clear night. C) Less predictable than on a clear night. D) The same as on a clear night. Show Answer Correct Answer: A) Higher than on a clear night. 21. In which of the following can convection currents be set up? A) Plastic. B) Solid aluminum. C) A vacuum (void of matter). D) Air. Show Answer Correct Answer: D) Air. 22. Measures wind speed and distance A) Thermometere. B) Barometer. C) Anemometer. D) None of above. Show Answer Correct Answer: C) Anemometer. 23. What's the humidity and temperature of a continental tropical air mass? A) Wet and cold. B) Dry and warm. C) Wet and warm. D) Dry and cold. Show Answer Correct Answer: B) Dry and warm. 24. The layer of the Earth's atmosphere up to 30.000ft AMSL (according to ISA at the equator) is called? A) Atmosphere. B) Troposphere. C) Stratosphere. D) Ionosphere. Show Answer Correct Answer: B) Troposphere. 25. The force exerted by the air above is called ..... A) Air pressure. B) Convergence. C) Divergence. D) The Coriolis effect. Show Answer Correct Answer: A) Air pressure. 26. This tool photographs clouds from high above Earth, and sends data to meteorologists. A) Camera. B) IPhone 5. C) Satellite. D) Radar. Show Answer Correct Answer: C) Satellite. 27. Jet planes tend to fly in the ..... to avoid severe weather A) Mesosphere. B) Troposphere. C) Thermosphere. D) Stratosphere. Show Answer Correct Answer: D) Stratosphere. 28. During the Winter Solstice in the Northern Hemisphere, what area will receive 24 hours of DAYLIGHT A) Tropic of Caner. B) North Pole. C) South Pole. D) Equator. Show Answer Correct Answer: C) South Pole. 29. Water boiling- hot water rising, cooling, then falling- is an example of ..... A) Radiation. B) Conduction. C) Convection. D) None of above. Show Answer Correct Answer: C) Convection. 30. In a high pressure systems A) There are many clouds because the air is moving upward. B) There are few clouds because the air in moving downward. C) There are few clouds because the air is moving outward. D) There are many clouds because the air is very humid. Show Answer Correct Answer: B) There are few clouds because the air in moving downward. ← PreviousNext →Related QuizzesWeather QuizzesAgriculture QuizzesPrinciples Of Meteorology Quiz 1Principles Of Meteorology Quiz 2Principles Of Meteorology Quiz 3Principles Of Meteorology Quiz 4Principles Of Meteorology Quiz 5Principles Of Meteorology Quiz 6Principles Of Meteorology Quiz 7Principles Of Meteorology Quiz 8 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books