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. The phenomenon of ‘trade winds’ takes place due to
    A)Radiation
    B)Conduction of heat
    C)Convection of heat
    D)None of the above
    Answer: Convection of heat
  • Q. Transfer of surplus heat from the lower latitudes to higher latitudes is done by : I. ocean currents II. planetary winds III. tides IV. waves
    A)I and IV
    B)I and II
    C)III and IV
    D)II and III
    Answer: I and II
  • Q. Temperate lows are ________
    A)Polar regions which have very low temperatures
    B)Low pressure areas in cyclones
    C)Equatorial low pressure belt
    D)Sub-polar low pressure belts
    Answer: Sub-polar low pressure belts
  • Q. Where do all meteorological incidents occur?
    A)Ionosphere
    B)Stratosphere
    C)Troposphere
    D)Exosphere
    Answer: Troposphere
  • Q. Which of the following statements is/are correct? 1. Cyclone is a low pressure system. 2. The wind movement is clockwise in the cyclone of northern hemisphere. Select the correct answer using the code given below ________
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • Q. Troposphere is the most warm part of the atmosphere because
    A)It gets warm from the heat of the surface of the Earth
    B)It is closer to the Sun
    C)It contains charged particles
    D)It produces heat
    Answer: It gets warm from the heat of the surface of the Earth
  • Q. Evening sun is not a shot as the mid-day sun. What is the reason?
    A)Ozone in atmosphere absorbs more light in the evening
    B)In the evening, radiations travel slowly
    C)In the evening, the temperature of the sun decreases
    D)In the evening, radiations travel larger distance through atmosphere
    Answer: In the evening, radiations travel larger distance through atmosphere
  • Q. Which of the following is produced by the rapid ascent of moist air?
    A)Hail
    B)Frost
    C)Fog
    D)Snow
    Answer: Hail
  • Q. The continuous circulation of water among the hydrosphere, atmosphere and lithosphere is known as
    A)Hydro-equilibrium
    B)Water circulation
    C)Hydrologic cycle
    D)Precipitation
    Answer: Hydrologic cycle
  • Q. Relative humidity
    A)Decreases with decreased temperature
    B)Increases with increased temperature
    C)Decreases with increased temperature
    D)Has no relation with increase or decrease of temperature
    Answer: Decreases with increased temperature
  • Q. The portion of the atmosphere which extends from the earth’s surface upto 6-8 miles and experiences decrease in temperature at constant rate is ________
    A)Troposphere
    B)Stratosphere
    C)Tropopause
    D)Ionosphere
    Answer: Troposphere
  • Q. The radiation that heats earth’s atmosphere comes from the
    A)Ionosphere
    B)Sun
    C)Earth
    D)Sun and earth
    Answer: Sun
  • Q. The absence of which among the following causes the temperature of the atmosphere to decrease with ascent along with decreasing density of air? I. Vegetation II. Water III. Carbon dioxide IV. Oxygen V. Nitrogen
    A)II and III
    B)I and II
    C)III and IV
    D)II and V
    Answer: II and III
  • Q. Which of the following statements is not true of Trade Winds?
    A)They are constant in strength and direction
    B)They blow from the Horse Latitudes to the Doldrums
    C)They are deflected to the right to become South-East Trades in the southern hemisphere
    D)They sometimes contain intense depressions
    Answer: They are deflected to the right to become South-East Trades in the southern hemisphere
  • Q. Which one of the following characteristics is not associated with the tropical cyclones?
    A)As the cold front passes, the weather changes very rapidly
    B)Before the cyclone arrives the air becomes very still and temperature and humidity are high
    C)As the front of the vertex arrives, gusty winds develop and thick clouds appear
    D)Calm conditions return when the eye of the cyclone arrives
    Answer: Calm conditions return when the eye of the cyclone arrives
  • Q. The amount of actual water vapour of air is known as ________
    A)Relative humidity
    B)Absolute humidity
    C)Dew point
    D)Condensation point
    Answer: Absolute humidity
  • Q. Consider the following statements: 1. Mistral is a cold wind blowing in North America. 2. Sirocco is a hot dry wind blowing across the North African coast. Which of the statement(s) given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. The term used for the zone at low pressure and light and variable winds in the oceanic equatorial regions is ________
    A)Horse-latitudes
    B)Depression
    C)Doldrums
    D)Inter-tropical convergence
    Answer: Depression
  • Q. Logically, what does a continually rising air pressure indicate?
    A)Fine and settled weather
    B)Advent of unsettled and cloudy weather
    C)Advent of a cyclone
    D)Fine and unsettled weather
    Answer: Advent of unsettled and cloudy weather
  • Q. Beaufort Scale is used to measure ________
    A)Wind direction
    B)Air pressure
    C)Wind velocity
    D)Humidity
    Answer: Wind velocity

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