Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Electric mixer Blender Washing machine Vacuum cleaner Electric mixer Blender Washing machine Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions What Enrico Fermi invented? X ray machine Cyclotron Nuclear reactor Betatron X ray machine Cyclotron Nuclear reactor Betatron ANSWER DOWNLOAD EXAMIANS APP
Inventions For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what? Telephone Book Calendar Notepad Notice Board Telephone Book Calendar Notepad Notice Board ANSWER DOWNLOAD EXAMIANS APP
Inventions Who synthesized the first wholly artificial gene? J.J. Thompson Benjamin Franklin Meghnad Saha Hargobind Khorana J.J. Thompson Benjamin Franklin Meghnad Saha Hargobind Khorana ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Bicycle? Karl Benz Leo H Baekeland Evangelista Torricelli Kirkpatrick Macmillan Karl Benz Leo H Baekeland Evangelista Torricelli Kirkpatrick Macmillan ANSWER DOWNLOAD EXAMIANS APP
Inventions FROZEN FOOD - Who discovered the first practical method of freezing food? C. Birdsey G. Findus F. Rozenosh R. Scott C. Birdsey G. Findus F. Rozenosh R. Scott ANSWER DOWNLOAD EXAMIANS APP
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