Invention Questions and Answers

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Q51
What inspired reflecting road lights to be invented?
  • A Car door reflecting mirrors
  • B The light a cat's eyes gave off on a fence
  • C Sun light on steel posts on road sides
  • D The sun light on the windshield
Answer: Option B
Q52
When were blue jeans invented?
  • A 1900s
  • B 1860s
  • C 1870s
  • D 1850s
Answer: Option D
Q53
Who invented Electric Generator?
  • A Sir Alexander Graham Bell
  • B Michael Faraday
  • C Alfred B. Nobel
  • D Thomas Alva Edison
Answer: Option B
Q54
What device for new parents did Ann Moore invent in 1969?
  • A Bottle warmer
  • B Baby monitor
  • C Disposable diaper
  • D Infant carrier
Answer: Option D
Q55
In which decade was the transistor invented?
  • A 1940s
  • B 1950s
  • C 1960s
  • D 1980s
Answer: Option A
Q56
What Igor Sikorsky invented?
  • A Hydroplane
  • B Jet engine airplane
  • C Helicopter
  • D Glider
Answer: Option C
Q57
What Henry Bessemer invented?
  • A Aluminum
  • B Electroplating
  • C Steel Converter
  • D Steel rolling mill
Answer: Option C
Q58
What invention was first installed at a Hartford, Connecticut bank in 1889?
  • A Automatic teller machine
  • B Time-lock safe
  • C Burglar alarm
  • D Pay telephone
Answer: Option D
Q59
Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
  • A Golf tee
  • B Motorboat
  • C Water skis
  • D Hang glider
Answer: Option C
Q60
Who invented Bifocal Lens?
  • A Alfred B. Nobel
  • B Thomas Alva Edison
  • C Benjamin Franklin
  • D Rudolf Diesel
Answer: Option C

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