Air Masses, Fronts, Cyclones and Related Phenomena Questions and Answers | Climatology MCQs

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1. What is the front along which warm and light air becomes active and aggressive and rises slowly over cold and dense air?
  1. Cold Front
  2. Warm Front
  3. Occluded Front
  4. Stationary Front

Answer: Warm Front

2. Which type of jet streams are located approximately over 27° - 30° north latitude?
  1. South polar - night jet streams
  2. Subtropical westerly jet streams
  3. Subtropical easterly jet streams
  4. North polar - night jet streams

Answer: Subtropical westerly jet streams

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3. A cold, dry air mass would be called
  1. continental tropic
  2. continental polar
  3. maritime polar
  4. continental maritime

Answer: continental polar

4. What is “Tropopause”?
  1. Inner layer of Earth’s crust
  2. Atmospheric boundary between the troposphere and the stratosphere
  3. Boundary between Equator and Tropic of Cancer and Tropic of Capricorn
  4. Outermost layer of Earth’s Atmosphere

Answer: Atmospheric boundary between the troposphere and the stratosphere

5. Which front is formed when two contrasting air masses converge in such a way that they become parallel to each other, and there is no ascent of air?
  1. Warm Front
  2. Cold Front
  3. Occluded Front
  4. Stationary Front

Answer: Stationary Front

6. Climatology- Air Masses, Fronts, Cyclones and Related Phenomena
  1. Cyclone
  2. Front
  3. Air mass
  4. Convective current

Answer: Air mass

7. What is a low pressure area with wind spiralling inwards called?
  1. Earthquake
  2. Volcano
  3. Tsunami
  4. Cyclone

Answer: Cyclone

8. When a warm air mass and a cold air mass meet, but they push at each other and neither one can move, it is called a/an
  1. warm front
  2. cold front
  3. occluded front
  4. stationary front

Answer: stationary front

9. The source region of which among the following air masses is the oceans between 40° and 60° latitudes?
  1. Maritime Polar Air Masses
  2. Continental Polar Air Masses
  3. Maritime Tropical Air Masses
  4. Continental Tropical Air Masses

Answer: Maritime Polar Air Masses

10. Which among the following regions is not associated with polar air masses?
  1. Northern Canada
  2. Sahara Desert
  3. Arctic Ocean
  4. Southern Ocean

Answer: Sahara Desert

11. What is the boundary zone when two different types of air masses meet called?
  1. Cyclone
  2. Rift
  3. Front
  4. Cloud

Answer: Front

12. Laminar flow of air refers to
  1. Movement of particles in all direction
  2. Movement of particles in one direction
  3. Deflection in the direction of surface winds
  4. Decrease of air pressure between two isobars

Answer: Movement of particles in one direction

13. The boundary between two air masses is called a/an
  1. flood
  2. front
  3. climate
  4. storm

Answer: front

14. Which air masses are characterized by dry, cold, and stable conditions?
  1. Maritime Polar Air Masses
  2. Continental Polar Air Masses
  3. Continental Tropical Air Masses
  4. Maritime Tropical Air Masses

Answer: Continental Polar Air Masses

15. What is the front along which the cold air becomes active and aggressive and invades the warm air territory forcibly lifting the warm and light air?
  1. Warm Front
  2. Cold Front
  3. Occluded Front
  4. Stationary Front

Answer: Cold Front

16. Which one of the following is the source region for the formation of air masses?
  1. the Equatorial forest
  2. the Siberian Plain
  3. the Himalayas
  4. the Deccan Plateau

Answer: the Siberian Plain

17. How does a cold front form?
  1. warm air moves over cold air
  2. cold air moves under warm air
  3. warm air meets cold air
  4. warm air is caught between two air masse

Answer: cold air moves under warm air

18. Which air masses are dry, hot, and stable throughout the year?
  1. Maritime Polar Air Masses
  2. Maritime Tropical Air Masses
  3. Continental Polar Air Masses
  4. Continental Tropical Air Masses

Answer: Continental Tropical Air Masses

19. What is a sudden violent gust of wind or localized storm, especially one bringing rain, snow, or sleet?
  1. Squall
  2. Torrent
  3. Earthquake
  4. Cyclone

Answer: Squall

20. Which of the following statement is correct regarding air pressure?
  1. High pressure is associated with cloudy skies and wet weather.
  2. Low pressure is associated with clear and sunny skies.
  3. The air always moves from high pressure areas to low pressure areas.
  4. More than one of the above

Answer: The air always moves from high pressure areas to low pressure areas.

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