Inventions Who synthesized the first wholly artificial gene? Benjamin Franklin Hargobind Khorana Meghnad Saha J.J. Thompson Benjamin Franklin Hargobind Khorana Meghnad Saha J.J. Thompson ANSWER DOWNLOAD EXAMIANS APP
Inventions In which decade was the transistor invented? 1940s 1950s 1980s 1960s 1940s 1950s 1980s 1960s ANSWER DOWNLOAD EXAMIANS APP
Inventions When were bar code scanners invented? 1970s 1950s 1960s 1940s 1970s 1950s 1960s 1940s ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Vacuum cleaner Washing machine Electric mixer Blender Vacuum cleaner Washing machine Electric mixer Blender ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first lawn mower invented? 1830 1854 1835 1849 1830 1854 1835 1849 ANSWER DOWNLOAD EXAMIANS APP
Inventions What treat was invented by 11-year-old Frank Epperson in 1905? Cotton candy Popsicle Cracker Jacks Banana split Cotton candy Popsicle Cracker Jacks Banana split ANSWER DOWNLOAD EXAMIANS APP
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