inventions mcq questions and answers for competitive exams

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inventions mcq questions and answers for competitive exams UPSC SSC , SSC CGL, upsc Civils , Entrance exams Online test practice online free Quiz, mock practice online
76.
For over 500 years, paper was only available and sold as single sheets. In 1902, an inventive Australian used half size sheets of paper, a bit of glue and cardboard to create the what?

a
Notepad
b
Calendar
c
Notice Board
d
Telephone Book

77.
The nuclear reactor was invented by

a
Eduard Jenner
b
Albert Einstein Torricelli
c
Enrico Ferni
d
Alexander Fleming

78.
Olympic sport Volleyball invented sport in 1895 by

a
Charles G. Morgan
b
William G. Morgan
c
Jefferson Fritts
d
George Fritts

79.
James Chadwick discovered

a
Atom
b
Neutron
c
Electron
d
Proton

80.
Who invented Telegraph?

a
Marcony
b
Samuel Morse
c
Edward Jenner
d
Alexander Graham Bell

81.
Rocket Engine was invented by

a
Robert H. Goddard
b
Charles Macintosh
c
James Harrison
d
Thomas Hancock

82.
What J.B. Dunlop invented?

a
Pneumatic rubber tire
b
Automobile wheel rim
c
Rubber boot
d
Model airplanes

83.
Who had an explosive idea and first patented DYNAMITE?

a
J. R. Gluber
b
A. Nobel
c
G. Fawks
d
W. Bickford

84.
Who invented fuel cells in 1839?

a
Buckminster Fuller
b
Sir William Grove
c
Sylvester Graham
d
Joyce Hall

85.
Analytical Engine was invented by

a
Charles Babbage
b
Daimler
c
Dewar
d
None of these

86.
Who discovered oxygen?

a
Swinton
b
Lavoisier
c
Joseph Priestley
d
Dalton

87.
Supercomputer

a
J.H. Van Tassel
b
Seymour Cray
c
Both (a) and (b)
d
None of these

88.
Neutron was discovered by

a
Chadwick
b
Marie Curie
c
Mendeleef
d
Rutherford

89.
Integrated circuit was co-created by

a
JackKilby and Robert Noyce
b
John Bardeen and Walter Brattain
c
Lisa Meitner and George Stephenson
d
Floyd Farris and J. B Clark

90.
What now-ubiquitous device was invented by Zenith engineer Eugene Polley in 1955?

a
Microwave oven
b
Remote control
c
VCR
d
Calculator

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