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- Question
Bacteria was discovered by
Options- A. Antonie van Leeuwenhoek
- B. Belarus
- C. Hugo de Vries
- D. Robert Brown
- Correct Answer
- Antonie van Leeuwenhoek
- 1. Steam Engine was invented by?
Options- A. Simon Stevin
- B. George Stephenson
- C. Gary Starkweather
- D. Percy Spencer Discuss
- 2. Arithmometer was invented by
Options- A. Evangelista Torricelli
- B. Charles Xavier Thomas
- C. Edward Teller
- D. Gustav Tauschek Discuss
- 3. Who discovered X-Ray?
Options- A. Wilhelm Rontgen
- B. William Lee
- C. X Rollswick
- D. I Thompson Discuss
- 4. Who Invented the 3-D printer?
Options- A. Nick Holonyak
- B. Elias Howe
- C. Chuck Hull
- D. Christiaan Huygens Discuss
- 5. Who created the first mechanical computer, which proved to be the prototype for future computers?
Options- A. Archimedes
- B. John Harrison
- C. Cai Lun
- D. Charles Babbage Discuss
- 6. Postage Meter was invented by
Options- A. Fyodor Pirotsky
- B. Arthur Pitney
- C. Fritz Pfleumer
- D. Stephen Perry Discuss
- 7. Who invented Television?
Options- A. J L Baird
- B. Aristotle
- C. James Clerk Maxwell
- D. Nikola Tesla Discuss
- 8. Electric tram was invented by?
Options- A. Fyodor Pirotsky
- B. Arthur Pitney
- C. Fritz Pfleumer
- D. Stephen Perry Discuss
- 9. Electric chair was invented by
Options- A. Alfred P. Southwick
- B. Isaac Singer
- C. Murasaki Shikibu
- D. Hanaoka Seish Discuss
- 10. Magic Marker was invented by _______.
Options- A. Adolphe Sax
- B. Albert Bruce Sabin
- C. Sidney Rosenthal
- D. Hyman George Rickover Discuss
Inventions problems
Search Results
Correct Answer: George Stephenson
Correct Answer: Charles Xavier Thomas
Correct Answer: Wilhelm Rontgen
Correct Answer: Chuck Hull
Correct Answer: Charles Babbage
Correct Answer: Arthur Pitney
Correct Answer: J L Baird
Correct Answer: Fyodor Pirotsky
Correct Answer: Alfred P. Southwick
Correct Answer: Sidney Rosenthal
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