11) Who built the first steam railway locomotive?
(A) Richard Trevithick
(B) James Watt
(C) Thomas Newcomen
(D) Robert Fulton
12) Who invented dynamite?
(A) Graham Bell
(B) Thomas Alva Edison
(C) Alfred Nobel
(D) Marie Curie
13) Where was gunpowder first invented?
(A) China
(B) Japan
(C) India
(D) Russia
14) What device was invented in 1973 by Dr Martin Cooper at Motorola?
(A) Pager
(B) Cordless Phone
(C) Cellular Phone
(D) Satellite Phone
15) Thomas Alva Edison discovered
(A) Telephone
(B) X-Ray
(C) Streptomycin
(D) Bulb
16) Alexander Graham Bell invented?
(A) Laser
(B) Telephone
(C) Radio
(D) Battery
17) Who invented Telescope?
(A) John Logie Baird
(B) Galileo
(C) Alfred Nobel
(D) Marie Curie