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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
Who invented bicycle ?
(A)
Dunlop
(B)
Macmillan
(C)
Waterman
(D)
Wright brothers
Question-3
Who invented the ballpoint pen?
(A)
Biro Brothers
(B)
Waterman Brothers
(C)
Bicc Brothers
(D)
Write Brothers
Question-4
When was barb wire patented?
(A)
1873
(B)
1840
(C)
1895
(D)
1900
Question-5
Who invented penicillin ?
(A)
Ronald Ross
(B)
Charles Darwin
(C)
Alexander Fleming
(D)
Edison
Question-6
Which scientist discovered the radioactive element radium?
(A)
Isaac Newton
(B)
Albert Einstein
(C)
Benjamin Franklin
(D)
Marie Curie
Question-7
Who invented electric lamp?
(A)
Laennec
(B)
John Baird
(C)
Thomas Alva Edison
(D)
Graham bell
Question-8
Who invented aeroplane ?
(A)
Gillette
(B)
Orville Wright and Wilbur Wright
(C)
Dun lop
(D)
Edison
Question-9
Who invented television ?
(A)
Thomas Alva Edison
(B)
Roentgen
(C)
John Logic Baird
(D)
Grahambell
Question-10
Who invented Braille script?
(A)
Gutenberg
(B)
Louis Braille
(C)
Charles Darwin
(D)
Waterman
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Cambridge Primary Grade 3
IGCSE
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