Inventions problems
- 1. Who invented the waterproof raincoat?
Options- A. Robert Hooke
- B. Cai Lun
- C. Charles Macintosh
- D. William Harvey Also asked in: Bank Exams
Correct Answer: Charles Macintosh
- 2. Who discovered Sodium?
Options- A. Humphry Davy
- B. William Henry Fox
- C. J.J.Thomson
- D. Karl Benz Also asked in: Bank Exams
Correct Answer: Humphry Davy
- 3. Who invented the electrocardiogram (ECG)?
Options- A. Willem Einthoven
- B. Edward Jenner
- C. Antonio de Ulloa and Charles Wood
- D. Karl Benz Also asked in: Bank Exams
Correct Answer: Willem Einthoven
- 4. Who discovered the colour photography?
Options- A. Robert Noyce
- B. Enrico Fermi
- C. John Logie Baird
- D. James Clerk Maxwell Also asked in: Bank Exams
Correct Answer: James Clerk Maxwell
- 5. Who invented bluetooth?
Options- A. Kirkpatrick Macmillan
- B. Benjamin Franklin
- C. Dr. Jaap Haartsen
- D. Charles Babbage Also asked in: Bank Exams
Correct Answer: Dr. Jaap Haartsen
- 6. Who invented the vacuum pump?
Options- A. Otto von Guericke
- B. Cai Lun
- C. Melitta Bentz
- D. William Henry Fox Talbot Also asked in: Bank Exams
Correct Answer: Otto von Guericke
- 7. Who invented logarithms?
Options- A. Eden Snowden
- B. Larry Page
- C. Thomas Edison
- D. John Napier Also asked in: Bank Exams
Correct Answer: John Napier
- 8. Who discovered benzene?
Options- A. Hal Anger
- B. Michael Faraday
- C. Bruce Ames
- D. Nicolas Appert Also asked in: Bank Exams
Correct Answer: Michael Faraday
- 9. Who invented Aerosol can?
Options- A. Erik Rotheim
- B. Erik Mathew
- C. Erik Tim
- D. Eric Flayer Also asked in: Bank Exams
Correct Answer: Erik Rotheim
- 10. Revolving Door was invented by ________.
Options- A. Lucien Vidi
- B. John Venn
- C. Theophilus Van Kannel
- D. Lewis Urry Also asked in: Bank Exams
Correct Answer: Theophilus Van Kannel
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