GK Questions - Important Inventions
1. Who invented Aeroplane
Orville & Wilbur Wright in 1903
2. Who invented Air Conditioning ?
Willis Carrier in 1902
3. Who invented Barometer ?
Evangelista Torricelli of Italy in 1644
4. Who invented Ball-Point Pen ?
John J. Loud of U.S.A. in 1888
5. Who invented DNA Structure ?
Crick(UK), Waston(US), Wilkins(UK) in 1951
6. Who invented Laser ?
Charles H. Townes
7. Who invented Locomotive ?
George Stephenson was first to buit steam locomotives.
8. Who invented Logarithms ?
John Napier (Scotland) invented Logarithm
9. Who invented Machine Gun ?
Helge Palmcrantz, Swedish inventor and industrialist
10. Who invented HIV ?Dr Robert Gallo invented HIV test
11. Who invented Helicopter ?
12. Who invented Circulation of blood ?
William Harvey of Britain in 1628
13. Who invented Vaccine of Rabies ?
Louis Pasteur of France in 1885
14. Who invented Vitamin A ?
Mc Collum and M.Davis of U.S.A. in 1913
15. Who invented Vitamin B1 ?
Casimir Funk discovered in 1912
16. Who invented Vitamin C ?
Scottish naval surgeon James Lind in 1747
17. Who invented Vitamin D ?
Edward Mellanby discovered Vitamin D while researching a disease called rickets in 1922
18. Who invented Vitamin K ?
Doisy Dam of U.S.A. in 1938.
19. Who invented by Electric Lamp ?
Thomas Alva Edison of U.S.A. in 1879
20. Who invented CT scan ?
Hounsfield by Britain in 1973.