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 one of the following layers of the atmosphere is responsible for the deflection of radio waves?
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Ionosphere
    Answer: Ionosphere
  • Q. A sudden fall in the barometric reading indicates ________
    A)Fine weather
    B)Rain
    C)Storm
    D)Extreme cold
    Answer: Storm
  • 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. 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. Consider the following statements: 1. Either of the two belts over the oceans at about 30° to 35° N and S Latitudes is known as Horse Latitude. 2. Horse latitudes are low pressure belts. 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: 1 only
  • Q. The dry wind ‘Santa Ana’ blows in ________
    A)Switzerland
    B)Siberia
    C)Argentina
    D)California
    Answer: California
  • Q. The instrument used for measuring relative humidity in air is ________
    A)Pantograph
    B)Hygrometer
    C)Hydrograph
    D)Barograph
    Answer: Hygrometer
  • Q. Agents of fog formation do not include ________
    A)Winter season
    B)High relative humidity
    C)Diurnal temperatures of short ranges
    D)Rapid radiation
    Answer: Diurnal temperatures of short ranges
  • Q. Which of the following constituents of the atmosphere are important from the climatic point of view ? 1. Nitrogen 2. Oxygen 3. Carbon dioxide
    A)1, 2 and 3
    B)1 and 2
    C)2 and 3
    D)Only 3
    Answer: Only 3
  • Q. Which gas is found in maximum quantity in lower atmosphere?
    A)Oxygen
    B)Hydrogen
    C)Carbon dioxide
    D)Nitrogen
    Answer: Nitrogen
  • 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. Which of the following is the annual precipitation of an area?
    A)The total amount of rain per year, irrespective of snow, hail and sleet
    B)All forms of precipitation converted to the quantity of liquid water
    C)The total actual amount of rain, snow, hail and sleet
    D)All forms of precipitation measured after conversion to equal quantity of ice
    Answer: All forms of precipitation converted to the quantity of liquid water
  • 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. The inner-most layer of the Earth is known as
    A)Aesthenosphere
    B)Lithosphere
    C)Mesosphere
    D)Barysphere
    Answer: Barysphere
  • Q. Winds blow ________
    A)From a region of low pressure to a region of high pressure
    B)In regions of low pressure
    C)From a region of high pressure to a region of low pressure
    D)In regions of high pressure
    Answer: From a region of high pressure to a region of low pressure
  • Q. Which of the following are the ideal conditions for the phenomenon of temperature inversion to occur? I. Long nights II. Cloudy sky III. Calm and stable air IV. Dry air
    A)II, III and IV
    B)I and II
    C)I, II and III
    D)I, III and IV
    Answer: I, III and IV
  • 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. 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. 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. Venus has atmosphere made up of
    A)Helium
    B)Ammonia
    C)Carbon dioxide
    D)Hydrogen
    Answer: Carbon dioxide

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