Inventions Who among the following invented the small pox vaccine? Edward Jenner Robert Koch Louis Pasteur Robert Hooke Edward Jenner Robert Koch Louis Pasteur Robert Hooke ANSWER DOWNLOAD EXAMIANS APP
Inventions When was the first elevator built? 1760 1743 1739 1785 1760 1743 1739 1785 ANSWER DOWNLOAD EXAMIANS APP
Inventions When was barb wire patented? 1840 1900 1874 1895 1840 1900 1874 1895 ANSWER DOWNLOAD EXAMIANS APP
Inventions Who invented Gunpowder? G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland G. Ferdinand Von Zeppelin Roger Bacon Sir Frank Whittle Leo H Baekeland ANSWER DOWNLOAD EXAMIANS APP
Inventions What item, originally called the 'Whirlwind', was invented by Ives McGaffey in 1869? Blender Electric mixer Washing machine Vacuum cleaner Blender Electric mixer Washing machine Vacuum cleaner ANSWER DOWNLOAD EXAMIANS APP
Inventions What Sir Isaac Newton invented? Spectacles Reflecting telescope Chronometer Microscope Spectacles Reflecting telescope Chronometer Microscope ANSWER DOWNLOAD EXAMIANS APP
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