Atmosphere Geography

Q. Which one among the following forces is most powerful in determining movement of wind including its velocity ?

A
Frictional force
B
Gravitational force
C
Centrifugal force
D
Pressure gradient force

Correct Answer

Pressure gradient force

More Questions on Atmosphere

  • Q. Winds and air currents differ in the aspect that ________
    A)The winds blow on lands while air currents blow over seas and oceans
    B)Air currents blow much faster than winds
    C)Air currents are always moisture laden while the winds are usually dry
    D)Winds are horizontal movements of air while air currents are the vertical movements of air
    Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
  • Q. The chemically inactive gas present in the atmosphere is ________
    A)Water vapour
    B)Nitrogen
    C)Argon
    D)Oxygen
    Answer: Argon
  • Q. Density of the Earth’s atmosphere is highest in the
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Ionosphere
    Answer: Troposphere
  • Q. Pampero is ________
    A)A moisture laden wind which brings rainfall to the west coast of Panama
    B)A cold wind which prevails in Argentina and Uruguay
    C)A low pressure area in Equator 63° S
    D)A high pressure area which develops first and then leads to the formation of an anticyclone
    Answer: A cold wind which prevails in Argentina and Uruguay
  • Q. The hot and dry winds that help in the ripening of grapes in the Alps region is ________
    A)Mistral
    B)Chi nook
    C)Foehn
    D)Roaring Forties
    Answer: Foehn
  • Q. The velocity of winds is related to ________
    A)Pressure gradient in the direction of their flow
    B)The amount of moisture they carry
    C)The nearness to the sea
    D)The direction in which they blow
    Answer: Pressure gradient in the direction of their flow
  • Q. Winds blow ________
    A)From a region of low pressure to a region of high pressure
    B)In regions of low pressure
    C)From a region of high pressure to a region of low pressure
    D)In regions of high pressure
    Answer: From a region of high pressure to a region of low pressure
  • Q. Warm dry winds blowing down the east slopes of Rockies are known as ________
    A)Foehn
    B)Mistral
    C)Nor' westers
    D)Chinook
    Answer: Chinook
  • Q. The inner-most layer of the Earth is known as
    A)Aesthenosphere
    B)Lithosphere
    C)Mesosphere
    D)Barysphere
    Answer: Barysphere
  • Q. What causes snowfall?
    A)When condensation takes place in form of fog and precipitation occurs as flakes
    B)When condensation takes place below 0° C and precipitation occurs in the form of flakes
    C)When rain freezes into snow-flakes while passing through the atmosphere
    D)When the air temperature is much lower than surface temperature
    Answer: When condensation takes place below 0° C and precipitation occurs in the form of flakes
  • Q. When the relative humidity is 50% and air temperature is 30°C, a cooling of air mass ________
    A)Decreases the relative humidity
    B)Raises the absolute humidity
    C)Produces no change in relative humidity
    D)Increases the relative humidity
    Answer: Decreases the relative humidity
  • Q. The cauliflower shape is associated with which of the following cloud formations?
    A)Nimbus
    B)Stratus
    C)Cumulus
    D)Cirrus
    Answer: Cumulus
  • Q. The atmospheric layer farthest from the Earth’s surface is known as
    A)Ionosphere
    B)Stratosphere
    C)Exosphere
    D)Mesosphere
    Answer: Exosphere
  • Q. Condensation is a process which occurs when
    A)Temperature in the air parcel remains static
    B)Temperature falls below 0°C
    C)Absolute humidity becomes equal to relative humidity
    D)Relative humidity becomes 100% and more
    Answer: Relative humidity becomes 100% and more
  • Q. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________
    A)Stratosphere
    B)Troposphere
    C)Mesosphere
    D)Ionosphere
    Answer: Ionosphere
  • Q. Choose the correct option with the correct sequence of the layers of atmosphere
    A)Exosphere, Troposphere, Ionosphere Mesosphere, Stratosphere
    B)Mesophere, Ionosphere, Exosphere, Troposphere, Stratosphere
    C)Ionosphere, Exosphere, Mesosphere, Stratosphere, Troposphere
    D)Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
    Answer: Troposphere, Stratosphere, Mesosphere, Ionosphere, Exosphere
  • Q. The layer of atmosphere which reflects radio waves is
    A)Stratosphere
    B)Ionosphere
    C)Troposphere
    D)Exosphere
    Answer: Ionosphere
  • Q. Which one of the following statements is correct? Hurricanes ________
    A)Develop over warm ocean areas
    B)Form at the equator
    C)Are not as large as tornadoes
    D)Tend to intensify when they move over land surfaces
    Answer: Develop over warm ocean areas
  • Q. Local thunderstorms ‘Nor westers’ are prominent in ________
    A)Andhra Pradesh
    B)Punjab
    C)West Bengal
    D)Tamil Nadu
    Answer: West Bengal
  • Q. Where do all meteorological incidents occur?
    A)Ionosphere
    B)Stratosphere
    C)Troposphere
    D)Exosphere
    Answer: Troposphere

Leave a Comment