Fri. Jan 10th, 2025

Front Cyclone and Anticyclone

  1. What kind of precipitation is associated with the warm front during the mature stage of a cyclone?

    Options:
    1. Heavy downpour
    2. Gradual and slow
    3. Snowfall and hailstorm
    4. None of the above

    Option: B

  2. What kind of precipitation is associated with the cold front during the mature stage of a cyclone?

    Options:
    1. Heavy downpour
    2. Gradual and slow
    3. Snowfall and hailstorm
    4. None of the above

    Option: A

  3. What happens during the fourth stage of a cyclone?

    Options:
    1. The warm front moves faster than the cold front
    2. The warm sector widens in extent
    3. The cold front comes nearer to the warm front
    4. None of the above

    Option: C

  4. What is the fifth stage in the development of a temperate cyclone?

    Options:
    1. The warm front overtakes the cold front
    2. The cold front overtakes the warm front
    3. The warm front disappears
    4. The occluded front disappears

    Option: D

  5. What is the sixth and final stage in the development of a temperate cyclone?

    Options:
    1. The warm front disappears
    2. The occluded front is eliminated
    3. The cyclone dies out
    4. All of the above

    Option: D

  6. What is the baroclinic surface?

    Options:
    1. A region where density does not vary along surfaces of constant pressure
    2. A region where surfaces of constant pressure intersect surfaces of constant density
    3. A region where the potential energy of zonal air circulation is converted into kinetic energy
    4. A region where fronts are formed

    Option: B

  7. What is the difference between a barotropic surface and a baroclinic surface?

    Options:
    1. On a barotropic surface, fronts are formed, while on a baroclinic surface, they are not.
    2. On a barotropic surface, surfaces of constant pressure intersect surfaces of constant density, while on a baroclinic surface, they are parallel.
    3. A barotropic surface represents intersecting surfaces of constant pressure and constant density, while a baroclinic surface does not.
    4. None of the above.

    Option: B

  8. What is an anticyclone?

    Options:
    1. A type of tropical storm
    2. A type of polar vortex
    3. A high pressure system with divergent air circulation
    4. A low pressure system with convergent air circulation

    Option: C

  9. Where is the pressure highest in an anticyclone?

    Options:
    1. At the outer margin
    2. At the periphery
    3. At the center
    4. None of the above

    Option: C

  10. In which direction do the winds blow in an anticyclone in the northern hemisphere?

    Options:
    1. Clockwise
    2. Anticlockwise
    3. Eastward
    4. Westward

    Option: A

  11. In which direction do the winds blow in an anticyclone in the southern hemisphere?

    Options:
    1. Clockwise
    2. Anticlockwise
    3. Eastward
    4. Westward

    Option: B

  12. Which of the following regions are anticyclones more common in?

    Options:
    1. Equatorial regions
    2. Subtropical high pressure regions
    3. Polar regions
    4. Temperate regions

    Option: B

  13. What type of weather is generally associated with anticyclones?

    Options:
    1. Rainy weather
    2. Thunderstorms
    3. Fair weather
    4. Snowstorms

    Option: C

  14. What is the difference of pressure between the center and periphery of an anticyclone?

    Options:
    1. 5-10mb
    2. 10-20mb
    3. 20-30mb
    4. 30-40mb

    Option: B

  15. What is the diameter of an anticyclone in comparison to a temperate cyclone?

    Options:
    1. Smaller
    2. The same size
    3. 75% larger
    4. Twice as large

    Option: C

  16. The average velocity of anticyclones is

    Options:
    1. 10-20km per hour
    2. 20-30km per hour
    3. 30-50km per hour
    4. 50-60km per hour

    Option: C

  17. Which of the following is true about the track of anticyclones?

    Options:
    1. They always follow the track of cyclones
    2. Their track is highly variable and unpredictable
    3. They move very quickly
    4. They always become stationary over a particular place for few days

    Option: B

  18. What is the cause of clear and rainless weather in anticyclones?

    Options:
    1. Descending winds
    2. Strong pressure gradient
    3. Moisture in the air
    4. Converging winds

    Option: A

  19. Which factors determine the temperature in anticyclones?

    Options:
    1. Humidity and wind direction
    2. Weather and air pressure
    3. Nature of air mass and humidity
    4. Altitude and latitude

    Option: C

  20. What is a meridional front?

    Options:
    1. A front generated by wind shear and convergence in anticyclones
    2. A front that moves from east to west
    3. A front that moves from north to south
    4. A front that is stationary

    Option: C