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Question-1
In which decade was the first solid state integrated circuit demonstrated?
(A)
1950s
(B)
1960s
(C)
1970s
(D)
1980s
Question-2
What did Galileo invent?
(A)
Barometer
(B)
Pendulum clock
(C)
Microscope
(D)
Thermometer
Question-3
Roentgen invented:
(A)
Telephone
(B)
X -ray machine
(C)
Tyre
(D)
Aeroplane
Question-4
Who invented television ?
(A)
Thomas Alva Edison
(B)
Roentgen
(C)
John Logic Baird
(D)
Grahambell
Question-5
Who invented the ball point pen?
(A)
Biro Brothers
(B)
Waterman Brothers
(C)
Bicc Brothers
(D)
Write Brothers
Question-6
What did James Watt invent?
(A)
Diving bell
(B)
Steam boat
(C)
Hot air balloon
(D)
Rotary steam engine
Question-7
When was barb wire patented?
(A)
1873
(B)
1840
(C)
1895
(D)
1900
Question-8
Who invented Braille script?
(A)
Gutenberg
(B)
Louis Braille
(C)
Charles Darwin
(D)
Waterman
Question-9
Who invented bicycle ?
(A)
Dunlop
(B)
Macmillan
(C)
Waterman
(D)
Edison
Question-10
Which scientist discovered the radioactive element radium?
(A)
Isaac Newton
(B)
Albert Einstein
(C)
Benjamin Franklin
(D)
Marie Curie
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Cambridge Primary Grade 2
IGCSE
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