Atmosphere Geography

Q. A level of atmosphere which is composed partly of Electrons and Positive Ions is called

A
Stratosphere
B
Troposphere
C
Ionosphere
D
Mesosphere

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Which of these statements are correct regarding the atmosphere of the earth: 1. It is enveloping the earth because of gravity. 2. Its density decreases with increasing height from the surface of the earth. 3. Its characteristic composition is same throughout its height. 4. Amount of pressure it exerts on earth’s surface at sea level is called one atm sphere.
    A)2, 3 and 4
    B)1 and 4
    C)2 and 4
    D)1, 2 and 4
    Answer: 1, 2 and 4
  • Q. Beaufort Scale is used to measure ________
    A)Wind direction
    B)Air pressure
    C)Wind velocity
    D)Humidity
    Answer: Wind velocity
  • Q. The final boundary between the Earth and the outer space is called
    A)Mesopause
    B)Magnetosphere
    C)Ionosphere
    D)Magnetopause
    Answer: Magnetopause
  • Q. Excess carbon dioxide in the atmosphere due to pollution will cause
    A)No change in earth's temperature
    B)Earth's temperature to rise
    C)Earth's temperature to fall
    D)Increase in ultra-violet radiation reaching the earth
    Answer: Earth's temperature to rise
  • Q. The dry wind ‘Santa Ana’ blows in ________
    A)Switzerland
    B)Siberia
    C)Argentina
    D)California
    Answer: California
  • Q. Smog is likely to occur ________
    A)On calm, clear and cool nights
    B)Around valleys
    C)Near lakes
    D)Near the industrial areas
    Answer: Near the industrial areas
  • Q. Relative humidity of the atmosphere is directly affected by ________
    A)Change in the direction of winds
    B)Change in atmospheric pressure
    C)Change in atmospheric temperature
    D)None of these
    Answer: Change in atmospheric temperature
  • Q. Lapse rate is related to the decrease of ________
    A)Temperature at 1°F for an ascent of 330 feet
    B)Wind velocity with an ascent of 300 feet
    C)Humidity with an ascent of 450 feet
    D)Pressure with an ascent of 500 feet
    Answer: Temperature at 1°F for an ascent of 330 feet
  • Q. Dew point is ________
    A)A low pressure system in lower atmosphere
    B)Amount of actual water vapour present per unit volume of air
    C)Incoming solar radiation
    D)A temperature at which a given sample of air becomes saturated
    Answer: A temperature at which a given sample of air becomes saturated
  • Q. Why the Earth is having its own atmosphere?
    A)Gravity
    B)Winds
    C)Clouds
    D)Rotation of the Earth
    Answer: Gravity
  • Q. The Trade winds are caused by ________
    A)Inflowing movement of air along the earth's surface towards the equator
    B)Rotation of the earth
    C)Revolution of the earth
    D)None of these
    Answer: Inflowing movement of air along the earth's surface towards the equator
  • Q. Where do all meteorological incidents occur?
    A)Ionosphere
    B)Stratosphere
    C)Troposphere
    D)Exosphere
    Answer: Troposphere
  • Q. At low elevation which among the following clouds are to be found ?
    A)Cumulus
    B)Cirrus
    C)Nimbus
    D)Stratus
    Answer: Nimbus
  • Q. An important gas in the atmosphere that absorbs sun’s ultraviolet rays is
    A)Ozone
    B)Oxygen
    C)Nitrogen
    D)Hydrogen
    Answer: Ozone
  • Q. The chemically inactive gas present in the atmosphere is ________
    A)Water vapour
    B)Nitrogen
    C)Argon
    D)Oxygen
    Answer: Argon
  • Q. Where is Ozone layer found?
    A)Stratosphere
    B)Troposphere
    C)Ionosphere
    D)Exosphere
    Answer: Stratosphere
  • Q. What do you understand by the term ‘Advection’ ?
    A)Heat is transferred vertically through the air
    B)Heat is transferred horizontally by winds
    C)Heat is transferred horizontally by both winds and ocean currents
    D)Heat is transferred horizontally through ocean currents
    Answer: Heat is transferred horizontally by both winds and ocean currents
  • 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 are true regarding ionosphere? I. It is the uppermost layer of atmosphere II. The molecules and atoms of nitrogen and oxygen in this layer absorb a part of solar radiation and become ionized III. This layer is responsible for reflecting back the radio wave transmitted from the earth
    A)II and III
    B)I and II
    C)I and II
    D)I, II and III
    Answer: II and III
  • Q. The radiation that heats earth’s atmosphere comes from the
    A)Ionosphere
    B)Sun
    C)Earth
    D)Sun and earth
    Answer: Sun

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