This Post consist of Important Inventions questions asked in exams that are mostly asked in all competitive and government exams like SSC, UPSC etc . We collected these questions from the students who appeared in exams. Now try to solve these questions.
Important Inventions questions
Question : 1 When was barb wire patented?
A. 1874
B. 1840
C. 1895
D. 1900
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Correct Answer : A
Explanation :
Joseph F. Glidden was born in New York on Jan. 18, 1812. He invented barbed wire in 1873 and was granted the patent on Nov. 24, 1874. After a three year battle over the patent, which he eventually won, Gidden became known as the “Father of Barbed Wire”.
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Question : 2 Which scientist discovered the radioactive element radium?
A. Isaac Newton
B. Albert Einstein
C. Benjamin Franklin
D. Marie Curie
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Correct Answer : D
Explanation :
No answer description available for this question
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Question : 3 What J. B. Dunlop invented?
A. Pneumatic rubber tire
B. Automobile wheel rim
C. Rubber boot
D. Model airplanes
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Correct Answer : B
Explanation :
Invented in 1887.
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Question : 4 In which decade was the first solid state integrated circuit demonstrated?
A. 1950s
B. Waterman Brothers1960s
C. 1970s
D. 1980s
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Correct Answer : A
Explanation :
On September 12, 1958, Jack Kilby demonstrated the first working IC while working for Texas Instruments, although the U.S. patent office awarded the first patent for an integrated circuit to Robert Noyce of Fairchild.
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Question : 5 Who invented the BALLPOINT PEN?
A. Biro Brothers
B. Waterman Brothers
C. Bicc Brothers
D. Write Brothers
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Correct Answer : A
Explanation :
The Hungarian brothers, Laszlo and George Biro, made the first ball point pen in 1894. It followed the first workable fountain pen which was invented by L.E. Waterman in 1884.
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