Invention Questions and Answers
General Knowledge Invention Questions with Answers list important discoveries and inventors. Common in SSC, RRB, and Banking exams, they help learners recognize scientific contributions and their inventors
Invention
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118 questions
51. What inspired reflecting road lights to be invented?
- Car door reflecting mirrors
- The light a cat's eyes gave off on a fence
- Sun light on steel posts on road sides
- The sun light on the windshield
53. Who invented Electric Generator?
- Sir Alexander Graham Bell
- Michael Faraday
- Alfred B. Nobel
- Thomas Alva Edison
54. What device for new parents did Ann Moore invent in 1969?
- Bottle warmer
- Baby monitor
- Disposable diaper
- Infant carrier
56. What Igor Sikorsky invented?
- Hydroplane
- Jet engine airplane
- Helicopter
- Glider
57. What Henry Bessemer invented?
- Aluminum
- Electroplating
- Steel Converter
- Steel rolling mill
58. What invention was first installed at a Hartford, Connecticut bank in 1889?
- Automatic teller machine
- Time-lock safe
- Burglar alarm
- Pay telephone
59. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
- Golf tee
- Motorboat
- Water skis
- Hang glider
60. Who invented Bifocal Lens?
- Alfred B. Nobel
- Thomas Alva Edison
- Benjamin Franklin
- Rudolf Diesel