GK Questions - Important Inventions

• 1. Who invented Aeroplane

  Orville & Wilbur Wright in 1903

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• 2. Who invented Air Conditioning ?

  Willis Carrier in 1902

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• 3. Who invented Barometer ?

  Evangelista Torricelli of Italy in 1644

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• 4. Who invented Ball-Point Pen ?

  John J. Loud of U.S.A. in 1888

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• 5. Who invented DNA Structure ?

  Crick(UK), Waston(US), Wilkins(UK) in 1951

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• 6. Who invented Laser ?

  Charles H. Townes

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• 7. Who invented Locomotive ?

  George Stephenson was first to buit steam locomotives.

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• 8. Who invented Logarithms ?

  John Napier (Scotland) invented Logarithm

   

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• 9. Who invented Machine Gun ?

  Helge Palmcrantz, Swedish inventor and industrialist

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• 10. Who invented HIV ?

  Dr Robert Gallo invented HIV test

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• 11. Who invented Helicopter ?

  Igor Sikorsky

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• 12. Who invented Circulation of blood ?

  William Harvey of Britain in 1628

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• 13. Who invented Vaccine of Rabies ?

  Louis Pasteur of France in 1885

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• 14. Who invented Vitamin A ?

  Mc Collum and M.Davis of U.S.A. in 1913

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• 15. Who invented Vitamin B1 ?

  Casimir Funk discovered in 1912

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• 16. Who invented Vitamin C ?

  Scottish naval surgeon James Lind in 1747

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• 17. Who invented Vitamin D ?

  Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922

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• 18. Who invented Vitamin K ?

  Doisy Dam of U.S.A. in 1938.

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• 19. Who invented by Electric Lamp ?

  Thomas Alva Edison of U.S.A. in 1879

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• 20. Who invented CT scan ?

  Hounsfield by Britain in 1973.

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