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

Correct Answer

Ionosphere

More Questions on Atmosphere

  • Q. Northern part of Australia is typified by which one of the following?
    A)Temperate climate
    B)Equatorial climate
    C)Mediterranean climate
    D)Monsoon climate
    Answer: Monsoon climate
  • Q. Which is the lowest layer of Atmosphere?
    A)Mesosphere
    B)Troposphere
    C)Stratosphere
    D)Exosphere
    Answer: Troposphere
  • 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. Winds and air currents differ in the aspect that ________
    A)The winds blow on lands while air currents blow over seas and oceans
    B)Air currents blow much faster than winds
    C)Air currents are always moisture laden while the winds are usually dry
    D)Winds are horizontal movements of air while air currents are the vertical movements of air
    Answer: Winds are horizontal movements of air while air currents are the vertical movements of air
  • Q. Consider the following statements: 1. The annual range of temperature is greater in the Pacific Ocean than that in the Atlantic Ocean. 2. The annual range of temperature is greater in the Northern Hemisphere than that in the Southern Hemisphere. Which of the statements given above is/are correct?
    A)Both 1and 2
    B)1 only
    C)2 only
    D)Neither 1 nor 2
    Answer: 2 only
  • Q. At low elevation which among the following clouds are to be found ?
    A)Cumulus
    B)Cirrus
    C)Nimbus
    D)Stratus
    Answer: Nimbus
  • Q. Which of the following statements is incorrect?
    A)Doldrum belt lies between 10°N and 10°S latitudes
    B)Roaring forties are the southern latitudes where Westerlies are prevalent
    C)Monsoons are local seasonal winds
    D)Horse latitudes are found between Trade winds and Westerlies
    Answer: Monsoons are local seasonal winds
  • Q. In the Southern hemisphere the Westerlies blow from ________
    A)North west
    B)North
    C)North east
    D)South east
    Answer: North west
  • Q. Evening sun is not a shot as the mid-day sun. What is the reason?
    A)Ozone in atmosphere absorbs more light in the evening
    B)In the evening, radiations travel slowly
    C)In the evening, the temperature of the sun decreases
    D)In the evening, radiations travel larger distance through atmosphere
    Answer: In the evening, radiations travel larger distance through atmosphere
  • Q. The amount of actual water vapour of air is known as ________
    A)Relative humidity
    B)Absolute humidity
    C)Dew point
    D)Condensation point
    Answer: Absolute humidity
  • Q. Because of which one of the following factors, clouds do not precipitate in deserts?
    A)High wind velocity
    B)Low pressure
    C)Low humidity
    D)High temperature
    Answer: Low humidity
  • Q. The velocity of winds is related to ________
    A)Pressure gradient in the direction of their flow
    B)The amount of moisture they carry
    C)The nearness to the sea
    D)The direction in which they blow
    Answer: Pressure gradient in the direction of their flow
  • Q. What is a cloudburst?
    A)It is caused by rapid condensation of very high clouds
    B)It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
    C)It refers to 50mm rain over a period of time
    D)It refers to a thunderstorm with little rain
    Answer: It refers to sudden and copious rainfall over a small area which often lasts for only a few minutes
  • 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. 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. The clouds extending from one side of horizon to other as 3 dark grey sheet having uniform base are called ________
    A)Cirrus clouds
    B)Stratus clouds
    C)Cumulus clouds
    D)Nimbus clouds
    Answer: Stratus clouds
  • Q. A sudden fall in the barometric reading indicates ________
    A)Fine weather
    B)Rain
    C)Storm
    D)Extreme cold
    Answer: Storm
  • 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. 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. 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

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