Inventions What Sir Isaac Newton invented? Chronometer Reflecting telescope Microscope Spectacles Chronometer Reflecting telescope Microscope Spectacles ANSWER DOWNLOAD EXAMIANS APP
Inventions Which of the following was first patented by an Australian in 1889? Electric Fence Electric Heater Electric Shaver Electric Drill Electric Fence Electric Heater Electric Shaver Electric Drill ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? Benjamin Franklin Meghnad Saha Hargobind Khorana J.J. Thompson Benjamin Franklin Meghnad Saha Hargobind Khorana J.J. Thompson ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? R. Scott C. Birdsey F. Rozenosh G. Findus R. Scott C. Birdsey F. Rozenosh G. Findus ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Cotton candy Popsicle Banana split Cracker Jacks Cotton candy Popsicle Banana split Cracker Jacks ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the Raggedy Ann doll patented? 1911 1919 1915 1920 1911 1919 1915 1920 ANSWER DOWNLOAD EXAMIANS APP