Q. The cold and dense air blowing down the mountain slope during the night is known as ________

Correct Answer

Katabatic wind

More Questions on Atmosphere

  • 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. Which of the following is/are correct in matching the layer of atmosphere and its characteristic ? I. Troposphere : weather phenomena II. Stratosphere : ozone layer III. Ionosphere : radio waves reflected to earth’s surface IV. Mesosphere : Aurorae
    A)II and III
    B)I, II, III and IV
    C)I, II and IV
    D)I, II and III
    Answer: I, II and III
  • 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. 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. The hot dry local winds that blow on the eastern side of the Alps Mountain are known as ________
    A)Khamsin
    B)Chinook
    C)Foehn
    D)Sirocco
    Answer: Foehn
  • Q. Cloud burst means ________
    A)Presence of scattered flakes of cloud in the sky
    B)Abnormally heavy downpour of rain, associated with a thunderstorm
    C)Formation of artificial rain
    D)Sowing of seeds of a crop in a cloudy weather
    Answer: Abnormally heavy downpour of rain, associated with a thunderstorm
  • Q. The zone of Earth’s atmosphere immediately above its surface up to a height of about 16kms above equator and 8kms over the poles is known as
    A)Troposphere
    B)Mesosphere
    C)Thermosphere
    D)Stratosphere
    Answer: Troposphere
  • Q. Which one among the following is a high cloud?
    A)Nimbostratus
    B)Cirrus
    C)Cumulonimbus
    D)Stratus
    Answer: Cirrus
  • Q. The heat from Sun to Earth is called as
    A)Emitted Heat
    B)Temperature Radiation
    C)Insolation
    D)Solar Radiation
    Answer: Solar Radiation
  • Q. The tropical cyclones – Hurricanes and Typhoons – develop and mature ________
    A)Over the water bodies only
    B)At the same place
    C)Over the land masses only
    D)Anywhere in the tropical zone
    Answer: Anywhere in the tropical zone
  • 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. Northern part of Australia is typified by which one of the following?
    A)Temperate climate
    B)Equatorial climate
    C)Mediterranean climate
    D)Monsoon climate
    Answer: Monsoon climate
  • Q. Which one of the following is the cloud that is dark-grey or black, found at very low height and brings the real rain?
    A)Cirrostratus
    B)Altocumulus
    C)Cirrus
    D)Nimbostratus
    Answer: Nimbostratus
  • Q. Precipitation takes place when ________
    A)Temperature of moisture in air sharply decreases
    B)The sky is overcast with clouds
    C)Temperature of moisture in air suddenly increases
    D)Winds begin to blow in a circular motion
    Answer: The sky is overcast with clouds
  • Q. Consider the following statements regarding general characteristics associated with tropical cyclones 1. Tropical cyclones move with very low velocity over the oceans but become strong while moving over the land areas. 2. They are confined to a particular period of the year (mainly summer) and normally move from east to west. 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 Ozone hole is detected in the atmosphere, where is it located?
    A)Above India
    B)Above Arctic Ocean
    C)Above Antarctica
    D)Above Alaska
    Answer: Above Antarctica
  • 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. 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. What is the major role of a greenhouse gas that contributes to temperature rise of the Earth’s surface?
    A)Lets outgoing infrared radiation pass through but stops incoming sunlight
    B)Transparent to both incoming sunlight and outgoing infrared radiation
    C)Stops both incoming sunlight and outgoing infrared radiation
    D)Lets incoming sunlight pass through but stops outgoing infrared radiation
    Answer: Lets incoming sunlight pass through but stops outgoing infrared radiation
  • Q. Compared to other slopes in the northern hemisphere which is the warmest?
    A)North facing
    B)East facing
    C)South facing
    D)West facing
    Answer: South facing

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