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- Question
Who invented the BALLPOINT PEN?
Options- A. Write Brothers
- B. Waterman Brothers
- C. Biro Brothers
- D. Bicc Brothers
- Correct Answer
- Biro Brothers
- 1. In which year was the first solid state integrated circuit demonstrated?
Options- A. 1970s
- B. 1960s
- C. 1950s
- D. 1980s Discuss
- 2. Who Invented Worldwide Standard Time Zones ?
Options- A. Charles Richard Drew
- B. Henry W. Seely
- C. Jesse Wilford Reno
- D. Sir Sandford Fleming Discuss
- 3. Who Invented Contact Lens ?
Options- A. Joel Houghton
- B. Ruth Graves Wakefield
- C. Adolf Gaston Eugen Fick
- D. John Stith Pemberton Discuss
- 4. What Henry Bessemer invented?
Options- A. Aluminum
- B. Electroplating
- C. Steel Converter
- D. Steel rolling mill Discuss
- 5. What Frank Whittle invented?
Options- A. Radar
- B. Ethyl gasoline
- C. Sonar
- D. Jet propulsion Discuss
- 6. What drink was invented by Charles Leiper Grigg in 1929?
Options- A. 7-Up
- B. Yoo-Hoo
- C. Pepsi
- D. Hawaiian Punch Discuss
- 7. What item, originally called the ?Whirlwind?, was invented by Ives McGaffey in 1869?
Options- A. Blender
- B. Electric mixer
- C. Washing machine
- D. Vacuum cleaner Discuss
- 8. What treat was invented by 11-year-old Frank Epperson in 1905?
Options- A. Popsicle
- B. Banana split
- C. Cotton candy
- D. Cracker Jacks Discuss
- 9. Who Invented Dynamite Explosive Material?
Options- A. Alfred Bernhard Nobel
- B. Levi Strauss
- C. Percy LeBaron Spencer
- D. Garrett Augustus Morgan Discuss
- 10. The credit of inventing the tv goes to
Options- A. Philo Farnsworth
- B. John Logie Baird
- C. Philo Farnsworth
- D. None of the above Discuss
Inventions problems
Search Results
Correct Answer: 1950s
Correct Answer: Sir Sandford Fleming
Correct Answer: Adolf Gaston Eugen Fick
Correct Answer: Steel Converter
Correct Answer: Jet propulsion
Correct Answer: 7-Up
Correct Answer: Electric mixer
Correct Answer: Popsicle
Correct Answer: Alfred Bernhard Nobel
Correct Answer: Philo Farnsworth
Explanation:
The credit of inventing the television goes to Philo Farnsworth.
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