a) Balloon
b) Bicycle
c) Aero
plane
d) None
of these
2.
Blaze Pascal is associated with
a) Calculating
machine
b) Computer
c) Cinema
d) None
of these
a) Waterman
b) Oscar
c) Wilson
d) Lazlo
Biro
4.
The credit of inventing the television goes to
a) Faraday
b) Baird
c) Edison
d) Marconi
5.
The credit of developing the polio vaccine goes to
a) Jonas
Salk
b) Alb
E. Sabin
c) Selman
Waksman
d) None
of these
6.
Who invented the Doctor’s thermometer?
a) Gabriel Fahrenheit
b) Edison
c) Galileo
d) None
of these
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