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GK MCQ (Multiple Choice Questions And Answers) Quiz on Inventions in the world

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16. Atom Bomb invented by?

  • J.Stuart Blackton
  • Julius Robert Oppenheimer
  • Dr. Felix Hoffman
  • Wilber and Orville Wright

17. Bifocal Lens invented by

  • Richard G. Drew
  • Benjamin Franklin
  • Evangelista Torricell
  • Joseph F. Glidden

18. Barometer invented by?

  • Evangelista Torricell
  • Joseph F. Glidden
  • Richard G. Drew
  • Benjamin Franklin

19. Who invented the ballpoint Pen?

  • Biro Brothers
  • Waterman Brothers
  • Bice Brothers
  • Write Brothers

20. What J.B. Dunlop invented?

  • Pneumatic rubber tire
  • Automatic wheel rim
  • Rubber boot
  • Model airplanes