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General Knowledge - Inventions

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Exercise : Inventions - Section 1
  • Inventions - Section 1
1.
Who invented the BALLPOINT PEN?
Biro Brothers
Waterman Brothers
Bicc Brothers
Write Brothers
Answer: Option
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.
2.
In which decade was the first solid state integrated circuit demonstrated?
1950s
1960s
1970s
1980s
Answer: Option
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.
3.
What J. B. Dunlop invented?
Pneumatic rubber tire
Automobile wheel rim
Rubber boot
Model airplanes
Answer: Option
Explanation:
John Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.
4.
Which scientist discovered the radioactive element radium?
Isaac Newton
Albert Einstein
Benjamin Franklin
Marie Curie
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
When was barb wire patented?
1874
1840
1895
1900
Answer: Option
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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