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  • Question
  • The layer of air around the earth is known as


  • Options
  • A. Troposphere
  • B. Ionosphere
  • C. Atmosphere
  • D. Ozone layer

  • Correct Answer
  • Atmosphere 

    Explanation

    The layer of air around the earth is known as Atmosphere. And this atmosphere has 4 layers like troposhere, stratosphere, ionosphere and mesosphere.

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    General Science problems


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    • 1. Which insect sits on uncovered food?

    • Options
    • A. bees
    • B. flies
    • C. Both A & B
    • D. None of the above
    • Discuss
    • 2. The Van Vihar National Park is loacted in which state ?

    • Options
    • A. Telangana
    • B. Madhya Pradesh
    • C. Andhra Pradesh
    • D. Bihar
    • Discuss
    • 3. For Galvanizing Iron which of the following Metals is used?

    • Options
    • A. Zinc
    • B. Lead
    • C. Aluminium
    • D. Copper
    • Discuss
    • 4. ................mixtures are used for making a glass

    • Options
    • A. Quartz and Mica
    • B. Salt and Quartz
    • C. Sand and Salt
    • D. Sand and Silicates
    • Discuss
    • 5. Plants mainly receive their nutrients from

    • Options
    • A. Sun light
    • B. Soil
    • C. Pesticides
    • D. Chlorophyll
    • Discuss
    • 6. How many years it takes for Pluto to Orbit the Sun?

    • Options
    • A. 76 yrs
    • B. 144 yrs
    • C. 198 yrs
    • D. 248 yrs
    • Discuss
    • 7. The hardened material available on earth is

    • Options
    • A. Gold
    • B. Diamond
    • C. Iron
    • D. Platinum
    • Discuss
    • 8. Who is the father of Tissue Culture ?

    • Options
    • A. Gautheret
    • B. Haberlandt
    • C. Bonner
    • D. Laibach
    • Discuss
    • 9. 'Pencillin' which is used as an antibiotic is obtained from

    • Options
    • A. Bacteria
    • B. Fungi
    • C. Algae
    • D. Lichens
    • Discuss
    • 10. What is a 'Cosmic year'?
    • Discuss


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