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  • Question
  • The hardened material available on earth is


  • Options
  • A. Gold
  • B. Diamond
  • C. Iron
  • D. Platinum

  • Correct Answer
  • Diamond 


  • General Science problems


    Search Results


    • 1. 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
    • 2. The layer of air around the earth is known as

    • Options
    • A. Troposphere
    • B. Ionosphere
    • C. Atmosphere
    • D. Ozone layer
    • Discuss
    • 3. Which insect sits on uncovered food?

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

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

    • Options
    • A. Zinc
    • B. Lead
    • C. Aluminium
    • D. Copper
    • Discuss
    • 6. Who is the father of Tissue Culture ?

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

    • Options
    • A. Bacteria
    • B. Fungi
    • C. Algae
    • D. Lichens
    • Discuss
    • 8. What is a 'Cosmic year'?
    • Discuss
    • 9. Where does the chemical reactions called Mellaird reaction takes place?
    • Discuss
    • 10. Radio Carbon Dating is use to estimate the age of _____ ?

    • Options
    • A. Monuments
    • B. Rocks
    • C. Soil
    • D. Fossils
    • Discuss


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