Inventions Who invented the phonograph? Thomas Edison Jules Levy John Kruesi Alexander Graham Bell Thomas Edison Jules Levy John Kruesi Alexander Graham Bell 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 What James Watt invented? Steam boat Diving bell Rotary steam engine Hot air balloon Steam boat Diving bell Rotary steam engine Hot air balloon ANSWER DOWNLOAD EXAMIANS APP
Inventions What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955? VCR Remote control Microwave oven Calculator VCR Remote control Microwave oven Calculator ANSWER DOWNLOAD EXAMIANS APP
Inventions What African-American inventor received 5 patents in the field of shoemaking? Lewis Latimer Elijah McCoy Ernest Just Jan Ernst Matzeliger Lewis Latimer Elijah McCoy Ernest Just Jan Ernst Matzeliger ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1854 1830 1835 1849 1854 1830 1835 1849 ANSWER DOWNLOAD EXAMIANS APP
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