GK-Invention Question and Answer
GK-Invention Question and Answer
1. Who invented the BALLPOINT PEN?
- Biro Brothers
- Waterman Brothers
- Bicc Brothers
- Write Brothers
2. In which decade was the first solid state integrated circuit demonstrated?
- 1950s
- 1960s
- 1970s
- 1980s
3. What J. B. Dunlop invented?
- Pneumatic rubber tire
- Automobile wheel rim
- Rubber boot
- Model airplanes
4. Which scientist discovered the radioactive element radium?
- Isaac Newton
- Albert Einstein
- Benjamin Franklin
- Marie Curie
6. What is the name of the CalTech seismologist who invented the scale used to measure the magnitude of earthquakes?
- Charles Richter
- Hiram Walker
- Giuseppe Mercalli
- Joshua Rumble
8. This statesman, politican, scholar, inventor, and one of early presidents of USA invented the swivel chair, the spherical sundial, the moldboard plow, and the cipher wheel.
- George Washington
- Alexander Hamilton
- John Adams
- Thomas Jefferson
10. Where is the village of Branston, after which the famous pickle is named?
- Yorkshire
- Lancashire
- Staffordshire
- Norfolk