Q. When a descending air contracts and its volume decreases, what happens to its temperature?

Correct Answer

Its temperature increases

More Questions on Atmosphere

  • Q. Frontal rain is caused by ________
    A)Cyclonic activity
    B)Convection currents
    C)Winds from sea
    D)Condensation of water evaporated from mountains
    Answer: Cyclonic activity
  • Q. Which one of the following constituents of the atmosphere causes greatest changes in climate and weather?
    A)Ozone
    B)Nitrogen
    C)Oxygen
    D)Water Vapour
    Answer: Water Vapour
  • Q. What is the name of the layer above Earth’s surface which is located at the height of 8km from poles and 16km from the equator?
    A)Troposphere
    B)Mesosphere
    C)Atmosphere
    D)Stratosphere
    Answer: Troposphere
  • 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 heat from Sun to Earth is called as
    A)Emitted Heat
    B)Temperature Radiation
    C)Insolation
    D)Solar Radiation
    Answer: Solar Radiation
  • 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. What is the correct sequence of the given clouds from low to high altitudes?
    A)Cumulonimbus, Stratus, Cirrus, Cirrostratus
    B)Stratus, Cumulonimbus, Cirrostratus, Cirrus
    C)Stratus, Cirrostratus, Cumulonimbus, Cirrus
    D)Cumulonimbus, Stratus, Cirrostratus, Cirrus
    Answer: Cumulonimbus, Stratus, Cirrostratus, Cirrus
  • 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. Cyclone is a system of wind blowing ________
    A)In a straight line from high to low pressure region
    B)Spirally outwards from a high pressure region
    C)Spirally towards low pressure region
    D)From Ball of Bengal towards Bangladesh annually
    Answer: Spirally towards low pressure region
  • Q. When can one record the lowest temperature of air?
    A)At 3 a.m.
    B)Just before sunrise
    C)At midnight
    D)No fixed time
    Answer: Just before sunrise
  • 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. 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. The layer of the atmosphere which provides ideal conditions for flying on jet aeroplanes is ________
    A)Ionosphere
    B)Troposphere
    C)Stratosphere
    D)Exosphere
    Answer: Stratosphere
  • Q. Fogs formed along, the sea-coast are due to ________
    A)Convection
    B)Advection
    C)Radiaton
    D)Conduction
    Answer: Advection
  • Q. Which of the following sequences of clouds in ascending order would one meet 500 metres and above the mean sea level?
    A)Cirrostratus, Stratus, Cumulo-nimbus
    B)Stratus, Nimbus, Cirrostratus, Cirrus
    C)Nimbus, Cirrostratus, Cirrocumulus, Stratus
    D)Stratus, Cirrostratus, Cumulo-numbus, Cirrocumulus
    Answer: Stratus, Nimbus, Cirrostratus, Cirrus
  • Q. The most important factor in thunderstorms development is ________
    A)Abundance of moisture
    B)Atmospheric stability
    C)Atmospheric instability
    D)Temperature inversion
    Answer: Atmospheric instability
  • 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. Which is the warmest layer of the atmosphere?
    A)Stratosphere
    B)Thermosphere
    C)Troposphere
    D)Mesosphere
    Answer: Thermosphere
  • Q. Countries favourably influenced by Westerlies are ________
    A)New Zealand
    B)Western Europe, British Columbia and East of U.S.A.
    C)South-West Africa and South Chile
    D)All of these
    Answer: All of these
  • Q. The dry wind ‘Santa Ana’ blows in ________
    A)Switzerland
    B)Siberia
    C)Argentina
    D)California
    Answer: California

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