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- Question
Analytical Engine was invented by
Options- A. Dewar
- B. Charles Babbage
- C. Daimler
- D. None of these
- Correct Answer
- Charles Babbage
- 1. Who discovered Insulin
Options- A. William Harvey
- B. Louis Pasteur
- C. F.G.Banting
- D. Alexander Fleming Discuss
- 2. Who invented ECG?
Options- A. Hans Berger
- B. Einthoven
- C. G. Bist
- D. None of the above Discuss
- 3. What charge card, developed in 1950, was the first to be approved nationally in the US?
Options- A. Discover
- B. MasterCharge
- C. Visa
- D. Diner's Club Discuss
- 4. Ralph Samuelson was only 18 when he invented this sporting item in 1922. What was that?
Options- A. Golf tee
- B. Motorboat
- C. Water skis
- D. Hang glider Discuss
- 5. The cause of Beri Beri was discovered by
Options- A. Eijkman
- B. Macmillan
- C. Alexanderson
- D. Cockrell Discuss
- 6. Which insurance salesman invented the fountain pen in 1884?
Options- A. Lewis Edson Waterman
- B. Sir William Grove
- C. Charles Kettering
- D. George Fountain Discuss
- 7. Air conditioner was discovered by
Options- A. Edison
- B. Wilson
- C. Carrier
- D. Roentgen Discuss
- 8. Who is often called the 'first African-American' inventor?
Options- A. Bessie Blount
- B. George Washington Carver
- C. Benjamin Banneker
- D. Elijah McCoy Discuss
- 9. Roentgen discovered
Options- A. Electrocardiograph
- B. X?rays
- C. Anti polio vaccine
- D. Encephalograph Discuss
- 10. What Frank Whittle invented?
Options- A. Radar
- B. Ethyl gasoline
- C. Sonar
- D. Jet propulsion Discuss
Inventions problems
Search Results
Correct Answer: Alexander Fleming
Correct Answer: Einthoven
Correct Answer: Diner's Club
Explanation:
The card was established by Frank McNamara and Ralph Schneider.
Correct Answer: Water skis
Correct Answer: Eijkman
Correct Answer: Lewis Edson Waterman
Explanation:
Lewis Edson Waterman patented the first practical fountain pen in 1884.
Correct Answer: Carrier
Correct Answer: Benjamin Banneker
Correct Answer: X?rays
Correct Answer: Jet propulsion
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