| Lift | Otis |
| Stethoscope | Lainnec |
| Sewing Machine | Elias Hower |
| Telegraphic Code | Samuel Morse |
| Homeopathy | Hahneman |
| Helicopter | Broquet |
| D.D.T | Dr.Paul Muller |
| Atomic Theory | Dalton |
| Barometer | Toricelli |
| Bye-cycle | Macmillan |
| Submarine | Bushwell |
Current Affairs Quiz 2020 - A Plentiful Resource Site
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