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

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. The layer of atmosphere which reflects radio waves is
    A)Stratosphere
    B)Ionosphere
    C)Troposphere
    D)Exosphere
    Answer: Ionosphere
  • Q. Which of the following layers of the Earth’s atmosphere provide ideal flying conditions for Jet aircraft?
    A)Stratosphere
    B)Mesosphere
    C)Thermosphere
    D)Troposphere
    Answer: Stratosphere
  • Q. Which of the following is a cold wind?
    A)Chinook
    B)Buran
    C)Foehn
    D)Sirocco
    Answer: Buran
  • 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. An upper air wind system with very high velocities in certain parts of the atmosphere is called ________
    A)Jet stream
    B)A cyclone
    C)An anticyclone
    D)A tsunami
    Answer: Jet stream
  • Q. The jet aircrafts fly very easily and smoothly in the lower stratosphere. What could be the appropriate explanation? 1. There are no clouds or water vapour in the lower stratosphere. 2. There are no vertical winds in the lower stratosphere. Which of the statements given above is/are correct in this context?
    A)Both 1 and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: Both 1 and 2
  • 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. 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. A sudden fall in the barometric reading indicates ________
    A)Fine weather
    B)Rain
    C)Storm
    D)Extreme cold
    Answer: Storm
  • Q. The core of the Earth is also known as
    A)Barysphere
    B)Lithosphere
    C)Mesosphere
    D)Centrosphere
    Answer: Barysphere
  • Q. Which of the following is especially true of anticyclones in the southern hemisphere?
    A)They often form over continents
    B)The air moves in a circular manner
    C)Pressure increases from the outside to the centre
    D)The air moves in an anti-clockwise direction
    Answer: The air moves in an anti-clockwise direction
  • Q. The dense mass of small water drops on smoke particles in the lower layers of the atmosphere is ________
    A)Fog
    B)Smog
    C)Frost
    D)Dew
    Answer: Smog
  • 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. Water vapour beyond the dew point results in ________
    A)Condensation
    B)Precipitation
    C)Hailstorm
    D)Formation of ice
    Answer: Condensation
  • Q. Which of these statements are correct with reference to tornadoes? 1. Tornadoes are smaller and more intense than hurricanes. 2. Tornadoes are most abundant along the eastern coast of India. 3. The average tornado lasts for less than one hour. 4. Tornadoes are most common in the afternoons in the early summer.
    A)1, 2 and 4
    B)1, 3 and 4
    C)2, 3 and 4
    D)1, 2 and 3
    Answer: 1, 3 and 4
  • Q. The most abundant element in the Earth’s atmosphere is
    A)Oxygen
    B)Argon
    C)Nitrogen
    D)Krypton
    Answer: Nitrogen
  • Q. The January isotherm taken as a basis for dividing India into tropical and subtropical zones is ________
    A)12° C
    B)21° C
    C)18° C
    D)15° C
    Answer: 15° C
  • Q. Which one of the following climates is found in coastal areas of Californian North America, Central Chile in South America and South-West tip of West Australia?
    A)Humid Continental
    B)Tropical savanna
    C)Mediterranean
    D)Low-latitude steppe
    Answer: Mediterranean
  • Q. Mist is a result of which one of the following?
    A)Sublimation
    B)Condensation
    C)Evaporation
    D)Saturation
    Answer: Condensation
  • Q. Fogs formed along, the sea-coast are due to ________
    A)Convection
    B)Advection
    C)Radiaton
    D)Conduction
    Answer: Advection

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