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- Question
Who invented Space Pen?
Options- A. Paul C. Fisher
- B. Rudolf Diesel
- C. Wright Brothers
- D. Alexander Fleming
- Correct Answer
- Paul C. Fisher
- 1. General anaesthetic was invented by?
Options- A. Alfred P. Southwick
- B. Isaac Singer
- C. Murasaki Shikibu
- D. Hanaoka Seish? Discuss
- 2. Who invented EMail?
Options- A. Tim Berners-Lee
- B. James Gosling
- C. Vinton Cerf
- D. VA Shiva Ayyadurai Discuss
- 3. Dynamite was invented by?
Options- A. Jean-Antoine Nollet
- B. Alfred Nobel
- C. Joseph Nicephore Niepce
- D. Ted Nelson Discuss
- 4. Who Invented Ceiling fan?
Options- A. Lloyd Groff Copeman
- B. Bartolomeo Cristofori
- C. Leonardo da Vinci
- D. Philip Diehl Discuss
- 5. Kaleidoscope was invented by ________.
Options- A. John Barber
- B. Tim BernersLee
- C. Alan Blumlein
- D. David Brewster Discuss
- 6. Who discovered Uranus?
Options- A. Sir Isaac Newton
- B. William Henry Fox Talbot
- C. William Herschel
- D. Nicolaus Copernicus Discuss
- 7. Who discovered Photon?
Options- A. George Crum
- B. Albert Einstein
- C. Henry Cavendish
- D. Humphry Davy Discuss
- 8. Who discovered Electron?
Options- A. Enrico Fermi
- B. Robert Noyce
- C. J.J.Thomson
- D. James Dyson Discuss
- 9. A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement". When the architect won a prize in a playwriting competition his friends admired his universality.
Options- A. durability
- B. versatility
- C. respectability
- D. No improvement Discuss
- 10. Who discovered Proton?
Options- A. Ernest Rutherford
- B. Friedrich Miescher
- C. Henri Becquerel
- D. Henry Cavendish Discuss
Inventions problems
Search Results
Correct Answer: Hanaoka Seish?
Correct Answer: VA Shiva Ayyadurai
Correct Answer: Alfred Nobel
Correct Answer: Philip Diehl
Correct Answer: David Brewster
Correct Answer: William Herschel
Correct Answer: Albert Einstein
Correct Answer: J.J.Thomson
Correct Answer: versatility
Correct Answer: Ernest Rutherford
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