Discoveries And Inventions(General Knowledge ) Questions and answers for exam Preparation

Question 1. Who invented the ballpoint pen?

Biro Brothers
Waterman Brothers
Bicc Brothers
Write Brothers

Explanation:-

Answer: Option A. -> Biro Brothers

Question 2. In which decade was the first solid state integrated circuit demonstrated?

1950s
1960s
1970s
1980s

Explanation:-

Answer: Option A. -> 1950s

Question 3. What J. B. Dunlop invented?

Pneumatic rubber tire
Automobile wheel rim
Rubber boot
Model airplanes

Explanation:-

Answer: Option A. -> Pneumatic rubber tire

Question 4. Which scientist discovered the radioactive element radium?

Isaac Newton
Albert Einstein
Benjamin Franklin
Marie Curie

Explanation:-

Answer: Option D. -> Marie Curie

Question 5. When was barb wire patented?

1874
1840
1895
1900

Explanation:-

Answer: Option A. -> 1874

Question 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

Explanation:-

Answer: Option A. -> Charles Richter

Question 7. What James Watt invented?

Diving bell
Steam boat
Hot air balloon
Rotary steam engine

Explanation:-

Answer: Option D. -> Rotary steam engine

Question 8. Where is the village of Branston, after which the famous pickle is named?

Yorkshire
Lancashire
Staffordshire
Norfolk

Explanation:-

Answer: Option C. -> Staffordshire

Question 9. Who invented Jet Engine?

Sir Frank Whittle
Gottlieb Daimler
Roger Bacon
Lewis E. Waterman

Explanation:-

Answer: Option A. -> Sir Frank Whittle

Question 10. What invention caused many deaths while testing it?

Dynamite
Ladders
Race cars
Parachute

Explanation:-

Answer: Option D. -> Parachute