General Meteorology Exam

50 Questions  I  By Ddrummerboy76
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  • 1. 
    During one part of the nitrogen cycle, nitrogen is removed from the air mainly by nitrogen-fixing 
    • A. 

      Bacteria.

    • B. 

      Waves.

    • C. 

      Minerals.

    • D. 

      Crystals.


  • 2. 
    The atmosphere contains tiny solid particles called
    • A. 

      Gases

    • B. 

      Particulates

    • C. 

      Meteors

    • D. 

      Nitrogen


  • 3. 
    A barometer measures
    • A. 

      Atmospheric pressure

    • B. 

      Wind speed

    • C. 

      Ozone concentration

    • D. 

      Wavelengths


  • 4. 
    Almost all of the water and carbon dioxide in the atmosphere is in the 
    • A. 

      Exosphere

    • B. 

      Ionosphere

    • C. 

      Troposphere

    • D. 

      Stratosphere


  • 5. 
    The process by which the atmosphere slow Earth's loss of heat to space is called the
    • A. 

      Greenhouse effect

    • B. 

      Coriolis effect

    • C. 

      Doldrums

    • D. 

      Convection cell


  • 6. 
    Energy as heat can be transferred within the atmosphere in three ways-- radiation, conduction, and 
    • A. 

      Transpiration

    • B. 

      Temperature inversion

    • C. 

      Weathering

    • D. 

      Convection


  • 7. 
    A vertical looping pattern of airflow is known as 
    • A. 

      The Coriolis effect

    • B. 

      A convection cell

    • C. 

      A trade wind

    • D. 

      A westerly


  • 8. 
    A gentle wind that covers less than 100 km is called 
    • A. 

      A jet stream

    • B. 

      The doldrums

    • C. 

      A breeze

    • D. 

      A trade wind


  • 9. 
    Which of the following layers of the atmosphere is closest to the ground?
    • A. 

      Troposphere

    • B. 

      Thermosphere

    • C. 

      Mesosphere

    • D. 

      Exosphere


  • 10. 
    Which of the following layers of the atmosphere is closest to space?
    • A. 

      Troposphere

    • B. 

      Ionosphere

    • C. 

      Mesosphere

    • D. 

      Exosphere


  • 11. 
    When the temperature of the air decreases, the rate of evaporation
    • A. 

      Increases

    • B. 

      Varies

    • C. 

      Stays the same

    • D. 

      Decreases


  • 12. 
    The type of fog that results when moist air moves across a cold surface is 
    • A. 

      Radiation fog

    • B. 

      Ground fog

    • C. 

      Advection fog

    • D. 

      Steam fog


  • 13. 
    Changes in temperature that result from the cooling of rising air or the warming of sinking air are
    • A. 

      Adiabatic

    • B. 

      Relative

    • C. 

      Advective

    • D. 

      Latent


  • 14. 
    Clouds form when the water vapor in air condenses as 
    • A. 

      The air is heated

    • B. 

      The air is cooled

    • C. 

      Snow falls

    • D. 

      The air is superheated


  • 15. 
    The prefix nimbo-and suffix -nimbus mean
    • A. 

      High

    • B. 

      Billowy

    • C. 

      Rain

    • D. 

      Layered


  • 16. 
    The fog that results from the nightly cooling of Earth is called
    • A. 

      Steam fog

    • B. 

      Upslope fog

    • C. 

      Radiation fog

    • D. 

      Advection fog


  • 17. 
    Rain that freezes when it strikes a surface produces
    • A. 

      Sleet

    • B. 

      Glaze ice

    • C. 

      Hail

    • D. 

      Frost


  • 18. 
    Clouds in which the water droplets remain liquid below O degrees Celsius are said to be
    • A. 

      Saturated

    • B. 

      Supersaturated

    • C. 

      Superheated

    • D. 

      Supercooled


  • 19. 
    In one method of cloud seeding, silver iodide crystals are used as
    • A. 

      Freezing nuclei

    • B. 

      Cloud droplets

    • C. 

      Dry ice

    • D. 

      Latent heat


  • 20. 
    An instrument that uses the electrical conductance of the chemical lithium chloride to measrue relative humidity is the 
    • A. 

      Hygrometer

    • B. 

      Rain gauge

    • C. 

      Psychrometer

    • D. 

      Dew cell


  • 21. 
    Which of the following is information you would not find from a station model?
    • A. 

      Precipitation

    • B. 

      Cloud cover

    • C. 

      Front

    • D. 

      Wind speed


  • 22. 
    Continental polar Canadian air masses generally move
    • A. 

      Southeasterly

    • B. 

      Northerly

    • C. 

      Northeasterly

    • D. 

      Westerly


  • 23. 
    The type of front that forms when two air masses move paralllel to the front between them is called
    • A. 

      Stationary

    • B. 

      Occluded

    • C. 

      Polar

    • D. 

      Warm


  • 24. 
    The type of front that is completely lifted off the ground by cold air is called
    • A. 

      Cold

    • B. 

      Occluded

    • C. 

      Polar

    • D. 

      Warm


  • 25. 
    The eye of a hurricane is a region of
    • A. 

      Hailstorms

    • B. 

      Torrential rainfall

    • C. 

      Calm, clear air

    • D. 

      Strong winds


  • 26. 
    The winds of a midlatitude cyclone blow in circular paths around a 
    • A. 

      Front

    • B. 

      Low-pressure center

    • C. 

      High-pressure center

    • D. 

      Jet stream


  • 27. 
    In the mature stage of a thunderstorm, a cumulus cloud grows until it becomes a 
    • A. 

      Stratocumulus cloud

    • B. 

      Altocumulus cloud

    • C. 

      Cumulonimbus cloud

    • D. 

      Cirrocumulus cloud


  • 28. 
    An instrument package attached to a weather ballon is 
    • A. 

      An anemometer

    • B. 

      A wind vane

    • C. 

      A thermograph

    • D. 

      A radiosonde


  • 29. 
    The lines that connect points of equal atmospheric pressure on a weather map are called 
    • A. 

      Isobars

    • B. 

      Isotherms

    • C. 

      Highs

    • D. 

      Lows


  • 30. 
    The atmosphere is a mixture of gases that surrounds a planet, such as Earth
    • A. 

      True

    • B. 

      False


  • 31. 
    The troposphere is the uppermost layer of the atmosphere, in which temperature increases as altitude increases; includes the ionosphere
    • A. 

      True

    • B. 

      False


  • 32. 
    The stratosphere is the layer of the atmosphere that lies between the troposphere and the mesosphere and in which temperature increases as altitude increases; contains the ozone layer
    • A. 

      True

    • B. 

      False


  • 33. 
    Temperature is the lowest layer of the atmosphere, in which temperature drops at a constant rate as altitude increases; the part of the atmosphere where weather conditions exist
    • A. 

      True

    • B. 

      False


  • 34. 
    The mesosphere is the coldest layer of the atmosphere, between the stratosphere and the the thermosphere, in which temperature decreases as altitude increases
    • A. 

      True

    • B. 

      False


  • 35. 
    The thermosphere is the layer of the earth in which convection currents cause the phenomenon of plate tectonics
    • A. 

      True

    • B. 

      False


  • 36. 
    A hygrometer measures relative humidity
    • A. 

      True

    • B. 

      False


  • 37. 
    Relative humidity is the mass of water vapor in a unit of air relative to the mass of the dry air.
    • A. 

      True

    • B. 

      False


  • 38. 
    Supercooling is a condition in which a substance is cooled below its freezing point, condensation point, or sublimation point with going through a change of state
    • A. 

      True

    • B. 

      False


  • 39. 
    An air mass is simply a mass of air that has no unique properties
    • A. 

      True

    • B. 

      False


  • 40. 
    A midlatitude cyclone is an area of low pressure that is characterized by rotating wind that moves toward the rising air of the central low-pressure region
    • A. 

      True

    • B. 

      False


  • 41. 
    How is heat energy transferred by Earth's atmosphere?

  • 42. 
    How does latitude affect the temperature of a region?

  • 43. 
    How do surface features influence local wind patterns?

  • 44. 
    Describe how cloud seeding may increase precipitation.

  • 45. 
    Why would polluted air be more likely to form fog than clean air would?

  • 46. 
    How would a significant decrease in condensation nuclei in the world's atmosphere affect cloud formation and climate?

  • 47. 
    Describe the weather before and after an occluded front.

  • 48. 
    Identify the wind direction of wind given as 315 degrees. What direction would a wind vane point in that case?

  • 49. 
    Identify the type of air mass that would most likely be resposible if the air in your region is warm and dry. What letters designate this air mass?

  • 50. 
    Explain how cP and mT air masses travel across the United States, and explain whyy this information helps meteorologists make forecasts

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