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

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Which are of the following is wrongly characterised?
    A)Sirocco – Sahara – spring - hot
    B)Chinook- Canada - winter - warm
    C)Khamsin – Egypt – spring - hot
    D)Mistral - Rhone Valley - summer – cold
    Answer: Mistral - Rhone Valley - summer – cold
  • Q. Which one among the following forces is most powerful in determining movement of wind including its velocity ?
    A)Frictional force
    B)Gravitational force
    C)Centrifugal force
    D)Pressure gradient force
    Answer: Pressure gradient force
  • Q. The phenomenon of Aurora Borealis, the display of red and green lights in northern hemisphere is due to radiations from ________
    A)Stratosphere
    B)Troposphere
    C)Mesosphere
    D)Ionosphere
    Answer: Ionosphere
  • 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. Temperature generally decreases towards the poles because ________
    A)Cold surfaces do not absorb solar energy as readily as warm surfaces
    B)Air movement is generally towards the. equator
    C)Cold polar air masses prevent surface heating of the land
    D)Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
    Answer: Progressively lesser solar energy per unit area falls on the earth's surface as we move to polar regions
  • Q. The cauliflower shape is associated with which of the following cloud formations?
    A)Nimbus
    B)Stratus
    C)Cumulus
    D)Cirrus
    Answer: Cumulus
  • 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 plane of contact of the troposphere and stratosphere is known as ________
    A)Stratopause
    B)Mesosphere
    C)Ionosphere
    D)Tropopause
    Answer: Tropopause
  • 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. Atmospheric humidity is measured by ________
    A)Lysimeter
    B)Psychrometer
    C)Anemometer
    D)Hydrometer
    Answer: Psychrometer
  • Q. Why the Earth is having its own atmosphere?
    A)Gravity
    B)Winds
    C)Clouds
    D)Rotation of the Earth
    Answer: Gravity
  • Q. The inner-most layer of the Earth is known as
    A)Aesthenosphere
    B)Lithosphere
    C)Mesosphere
    D)Barysphere
    Answer: Barysphere
  • Q. A temperature inversion is most likely to occur under which of the following conditions?
    A)Calm, cloudy and humid night
    B)Mountain top in late evening
    C)Windy but cloudy night
    D)Calm, clear and cool winter night
    Answer: Calm, clear and cool winter night
  • 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. Consider the following statements: 1. The monsoon climate is found in Northern Australia. 2. The China type climate is found in Argentina. Which of the statements given above is/are correct?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • 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. Arrange the following gases of the atmosphere in increasing order by volume: I. Nitrogen II. Oxygen III. Carbon dioxide IV. Argon
    A)III, IV, II, I
    B)I, II, III, IV
    C)I, II, IV, III
    D)IV, III, II, I
    Answer: III, IV, II, I
  • 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. Warm dry winds blowing down the east slopes of Rockies are known as ________
    A)Foehn
    B)Mistral
    C)Nor' westers
    D)Chinook
    Answer: Chinook
  • Q. Density of the Earth’s atmosphere is highest in the
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Ionosphere
    Answer: Troposphere

Leave a Comment