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Question-1
Who invented radio?
(A)
Marconi
(B)
Torricelli
(C)
Gutenberg
(D)
Edison
Question-2
Who invented electric lamp?
(A)
Laennec
(B)
John Baird
(C)
Thomas Alva Edison
(D)
Graham bell
Question-3
Who invented fountain pen?
(A)
Waterman
(B)
Graham bell
(C)
Gillette
(D)
Edison
Question-4
Who invented Braille script?
(A)
Gutenberg
(B)
Louis Braille
(C)
Charles Darwin
(D)
Waterman
Question-5
This statesman, politician, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
(A)
George Washington
(B)
Alexander Hamilton
(C)
John Adams
(D)
Thomas Jefferson
Question-6
Roentgen invented:
(A)
Telephone
(B)
X -ray machine
(C)
Tyre
(D)
Aeroplane
Question-7
Who invented penicillin ?
(A)
Ronald Ross
(B)
Charles Darwin
(C)
Alexander Fleming
(D)
Edison
Question-8
Which scientist discovered the radioactive element radium?
(A)
Isaac Newton
(B)
Albert Einstein
(C)
Benjamin Franklin
(D)
Marie Curie
Question-9
What did Galileo invent?
(A)
Barometer
(B)
Pendulum clock
(C)
Microscope
(D)
Thermometer
Question-10
When was the first elevator built?
(A)
1743
(B)
1739
(C)
1760
(D)
1785
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Cambridge Primary Grade 3
IGCSE
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