Inventions What Benjamin Franklin invented? Bifocal spectacles Hygrometer Radio Barometer Bifocal spectacles Hygrometer Radio Barometer ANSWER DOWNLOAD EXAMIANS APP
Inventions Who among the following invented the small pox vaccine? Robert Koch Louis Pasteur Edward Jenner Robert Hooke Robert Koch Louis Pasteur Edward Jenner Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
Inventions What toy was invented by Joshua Lionel Cowen around 1900? Raggedy Ann doll Tinkertoys Electric train Yo-yo Raggedy Ann doll Tinkertoys Electric train Yo-yo ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Reflecting telescope Chronometer Spectacles Microscope Reflecting telescope Chronometer Spectacles Microscope ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1849 1830 1835 1854 1849 1830 1835 1854 ANSWER DOWNLOAD EXAMIANS APP
Inventions What James Watt invented? Steam boat Hot air balloon Rotary steam engine Diving bell Steam boat Hot air balloon Rotary steam engine Diving bell ANSWER DOWNLOAD EXAMIANS APP
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