Q. What causes snowfall?

Correct Answer

When condensation takes place below 0° C and precipitation occurs in the form of flakes

More Questions on Atmosphere

  • Q. What is the correct sequence of the following zonal pressure belts? 1. Subpolar low 2. Equatorial low 3. Polar high 4. Subtropical high
    A)2, 4, 1, 3
    B)2, 3, 1, 4
    C)1, 4, 2, 3
    D)1, 3, 2, 4
    Answer: 2, 4, 1, 3
  • Q. In the earth’s atmosphere, the atmospheric pressure ________
    A)Remains constant with height
    B)Increases with height
    C)Decreases with height
    D)First increases and then decreases with height
    Answer: Decreases with height
  • Q. Where is Ozone layer found?
    A)Stratosphere
    B)Troposphere
    C)Ionosphere
    D)Exosphere
    Answer: Stratosphere
  • Q. Because of which one of the following factors, clouds do not precipitate in deserts?
    A)High wind velocity
    B)Low pressure
    C)Low humidity
    D)High temperature
    Answer: Low humidity
  • Q. Which one among the following statements relating to a cyclone is not correct?
    A)Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
    B)It is a wind circulation system with a low pressure at the centre
    C)It brings about sudden change In weather condition in an area
    D)It is known as hurricane in West Indies
    Answer: Wind movement towards the low pressure centre of a cyclone is clockwise in the northern hemisphere
  • Q. The most abundant element in the Earth’s atmosphere is
    A)Oxygen
    B)Argon
    C)Nitrogen
    D)Krypton
    Answer: Nitrogen
  • Q. Which of the following characterises the Foehn? I. It is warm II. It is humid III. It is common in the valleys of the northern Alps IV. It blows in winter
    A)I, III and IV
    B)I, II and IV
    C)I, II and III
    D)I, II, III and IV
    Answer: I, III and IV
  • Q. An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
    A)Jet stream
    B)A cyclone
    C)An anticyclone
    D)A tsunami
    Answer: Jet stream
  • Q. Atmospheric humidity is measured by ________
    A)Lysimeter
    B)Psychrometer
    C)Anemometer
    D)Hydrometer
    Answer: Psychrometer
  • Q. Which of the following winds is incorrectly paired with the area in which it prevails?
    A)Southerly Burster - New South Wales
    B)Berg wind - South eastern Africa
    C)Karaburan - Tarim basin of Sinkiang
    D)Hurricanes - New Zealand
    Answer: Hurricanes - New Zealand
  • Q. The plane of contact of the troposphere and stratosphere is known as ________
    A)Stratopause
    B)Mesosphere
    C)Ionosphere
    D)Tropopause
    Answer: Tropopause
  • Q. Water vapour beyond the dew point results in ________
    A)Condensation
    B)Precipitation
    C)Hailstorm
    D)Formation of ice
    Answer: Condensation
  • Q. Temperate cyclones bring along with them ________
    A)Thunderstorms and torrential rainfall
    B)Pleasant weather
    C)Snowfall and hail
    D)Mild rainfall
    Answer: Mild rainfall
  • Q. Wind in the Southern hemisphere is deflected towards left due to ________
    A)Difference in pressure
    B)Temperature variations
    C)Rotation of the earth
    D)Difference in water content
    Answer: Rotation of the earth
  • Q. Consider the following statements 1. Tropical cyclones have circular isobars. 2. Tropical cyclones originate entirely within the tropical air mass. 3. The intensity and magnitude of hurricanes generally exceed those of typhoons. 4. Tropical cyclones are more destructive than the western disturbances. Select the correct answer by using the following codes
    A)2 and 3
    B)1, 2 and 4
    C)1 only
    D)3 and 4
    Answer: 1, 2 and 4
  • Q. At which height, the gaseous surrounding has covered the Earth’s atmosphere?
    A)200km
    B)100km
    C)150km
    D)300km
    Answer: 300km
  • Q. Doldrums are ________
    A)High pressure areas on mountains
    B)High latitudes with heavy snow
    C)Equatorial zone with low pressure
    D)Sub-polar zone with high pressure
    Answer: Equatorial zone with low pressure
  • Q. Which of the following are true with regard to temperature control of the atmosphere of a given place? I. The major temperature contrasts on earth’s surface are between land masses and oceans II. During night, the water surface cools more rapidly than the land surface III. Temperature generally decreases with latitude on either side of the equator IV. Temperature rises to a maximum during summer and falls to a minimum during winter
    A)I and II
    B)I, III and IV
    C)II, III and IV
    D)II and IV
    Answer: I, III and IV
  • 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. What is approximately the quantum of the pressure exerted by the atmosphere at sea level?
    A)Five kg per sq cm
    B)One kg per sq km
    C)One kg per sq mtr
    D)Five kg per sq mtr
    Answer: One kg per sq mtr

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