1.Who invented the telephone?
(a) Thomas Alva Edison
(b) Galileo
(c) Alexander Graham Bell
(d) G. Marconi
2.Who invented the railway engine?
(a) Charles Babbage
(b) Isaac Newton
(c) James Watt
(d) George Stephenson
3.Who invented Radar?
(a) Henrey Backquerel
(b) Max Planck
(c) Robert Watson Watt
(d) Humphrey Davy
4.Who invented polio vaccine (oral)?
(a) Albert Sabin
(b) Burkholder
(c) Luise Pasture
(d) Jonas Salk
5.Who developed the small pox vaccination?
(a) Eduard Jenner
(b) Alexander Fleming
(c) Albert Einstein
(d) None of these
6.Which one of the following was to be discovered first in the chromosphere of the sun
(a) Helium
(b) Neon
(c) Xenon
(d) Krypton
7.Which famous inventor ranks second in the number of patents registered?
(a) Thomas Alva Edison
(b) James Watt
(c) Albert Einstein
(d) Edwin Land
8.What famous scientist and inventor participated in the invention of the Aqua-Lung?
(a) Thomas Edison
(b) Isaac Newton
(c) Leonardo da Vinci
(d) Jacques Cousteau
9.Vulcanised rubber was invented by
(a) Charles Goodyear
(b) William Stockes
(c) J.E.Lundstrom
(d) Sir Joseph Swann
10.The system for writing by blind people was invented by
(a) Louis Braille
(b) Henry Bacquerel
(c) Sir J.A.Fleming
(d) Dr.Charles H. Townes
