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  • Question
  • The ionosphere includes


  • Options
  • A. mesosphere
  • B. thermosphere
  • C. thermosphere and exosphere
  • D. thermosphere, exosphere and mesosphere

  • Correct Answer
  • thermosphere and exosphere 


  • World Geography problems


    Search Results


    • 1. The island of Sri Lanka formerly known as


    • Options
    • A. Madagascar
    • B. Tasmania
    • C. Ceylon
    • D. None of the above
    • Discuss
    • 2. The island state of Australia is


    • Options
    • A. Victoria
    • B. Queensland
    • C. Tasmania
    • D. New South Wales
    • Discuss
    • 3. The leading state in producing paper is


    • Options
    • A. Bihar
    • B. West Bengal
    • C. Kerala
    • D. Orissa
    • Discuss
    • 4. The least explosive type of volcano is called


    • Options
    • A. Basalt plateau
    • B. Cinder cone
    • C. Shield volcanoes
    • D. Composite volcanoes
    • Discuss
    • 5. The infrared radiation by sun are strongly absorbed by


    • Options
    • A. carbon dioxide
    • B. water vapours
    • C. carbon dioxide and water vapours
    • D. ozone
    • Discuss
    • 6. The group of minerals chemically containing hydrocarbons is


    • Options
    • A. silicate group
    • B. organic group
    • C. oxide group
    • D. hydride group
    • Discuss
    • 7. The heavy day soils that show significant expansion and contraction due to the presence or absence of moisture is called


    • Options
    • A. aridsols
    • B. vertisols
    • C. histosols
    • D. andisols
    • Discuss
    • 8. The knowledge about the topography of the ocean basins has been derived from


    • Options
    • A. seismic surveying
    • B. echo sounder
    • C. side-scan sonar
    • D. All of the above
    • Discuss
    • 9. The largest fish exporting region in the world is


    • Options
    • A. the north-east atlantic region
    • B. the north-east pacific region
    • C. the north-west pacific region
    • D. the south-east asian region
    • Discuss
    • 10. The great Victoria Desert is located in


    • Options
    • A. Canada
    • B. West Africa
    • C. Australia
    • D. North America
    • Discuss


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