Inventions Questions And Answers.
1. Who invented the BALLPOINT PEN? A. Biro Brothers B. Waterman Brothers C. Bicc Brothers D. Write Brothers
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2. What J. B. Dunlop invented? A. Pneumatic rubber tire B. Automobile wheel rim C. Rubber boot D. Model airplanes
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Answer: Option A
Explanation:
ohn Boyd Dunlop, a veterinary surgeon, invented the pneumatic tyre in 1887.
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3. Which scientist discovered the radioactive element radium? A. Isaac Newton B. Albert Einstein C. Benjamin Franklin D. Marie Curie
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Answer: Option 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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5. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes? A. Charles Richter B. Hiram Walker C. Giuseppe Mercalli D. Joshua Rumble
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Answer: Option A
Explanation:
Richter was born on an Ohio farm in 1900. He died in 1985.
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