Q.1)-Who invented the BALLPOINT PEN?
  • Biro Brothers
  • Waterman Brothers
  • Bicc Brothers
  • Write Brothers
Q.2)-What J. B. Dunlop invented?
  • Pneumatic rubber tire
  • Automobile wheel rim
  • Rubber boot
  • Model airplanes
Q.3)-Which scientist discovered the radioactive element radium?
  • Isaac Newton
  • Albert Einstein
  • Benjamin Franklin
  • Marie Curie
Q.4)-When was barb wire patented?
  • 1874
  • 1840
  • 1895
  • 1900
Q.5)-What Galileo invented?
  • Barometer
  • Pendulum clock
  • Microscope
  • Thermometer
Q.6)-What James Watt invented?
  • Diving bell
  • Steam boat
  • Hot air balloon
  • Rotary steam engine
Q.7)-Who invented Jet Engine?
  • Sir Frank Whittle
  • Gottlieb Daimler
  • Roger Bacon
  • Lewis E. Waterman
Q.8)-What invention caused many deaths while testing it?
  • Dynamite
  • Ladders
  • Race cars
  • Parachute
Q.9)-Who invented Gunpowder?
  • G. Ferdinand Von Zeppelin
  • Sir Frank Whittle
  • Roger Bacon
  • Leo H Baekeland
Q.10)-In which decade was the telephone invented?
  • 1850s
  • 1860s
  • 1870s
  • 1880s