Discussion
Home ‣ General Knowledge ‣ Inventions Comments
- Question
Who Invented The World Wide Web ?
Options- A. Sir Timothy John
- B. Earle Dickson
- C. James Rineose
- D. Laszlo Jozsef Biro
- Correct Answer
- Sir Timothy John
- 1. Lift was invented by
Options- A. Otis
- B. Domagk
- C. Lee De Forest
- D. None of these Discuss
- 2. Telegrahic code was introduced by
Options- A. Lipman
- B. Macmillan
- C. Thomas Moore
- D. Cockrell Discuss
- 3. The Solar System was discoverd by
Options- A. Galleleo
- B. Finsen
- C. Copernicus
- D. None of these Discuss
- 4. Who invented the battery?
Options- A. John Wilkinson
- B. Alessandro Volta
- C. James Hargreaves
- D. Thomas Edison Discuss
- 5. Who invented Vacuum Flask?
Options- A. Charles Babbage
- B. Alexander Fleming
- C. Gregory Pincus
- D. James Dewar Discuss
- 6. Who Invented Traffic Signal ?
Options- A. Lewis Edson Waterman
- B. Levi Strauss
- C. Percy LeBaron Spencer
- D. Garrett Augustus Morgan Discuss
- 7. Who Invented Modern Frequency Modulation FM Radio ?
Options- A. Peter Durand
- B. Percy Shaw
- C. Edwin H. Armstrong
- D. Leo Hendrik Baekeland Discuss
- 8. What two scientists established the structure of dna?
Options- A. Rosalind Franklin and Maurice Wilkins
- B. James Watson and Francis Crick
- C. Rosalind Franklin and Francis Crick
- D. James Watson and Maurice Wilkins Discuss
- 9. The cotton gin was an important invention because Discuss
- 10. Which famous scientist unknowingly founded the field of spectroscopy?
Options- A. Issac Newton
- B. Galileo
- C. Graham Bell
- D. None of the above Discuss
Inventions problems
Search Results
Correct Answer: Otis
Correct Answer: Thomas Moore
Correct Answer: Copernicus
Correct Answer: Alessandro Volta
Correct Answer: James Dewar
Correct Answer: Garrett Augustus Morgan
Correct Answer: Edwin H. Armstrong
Correct Answer: James Watson and Francis Crick
Explanation:
In the early 1950s two scientists, Rosalind Franklin and Maurice Wilkins, studied DNA using x-rays. Franklin produced an x-ray photograph that allowed two other researchers, James Watson and Francis Crick to work out the 3D structure of DNA. The structure of DNA was found to be a double helix.
Correct Answer: Cotton Gin was invented by Eli Whitney in 1793, which is used to separate cotton seeds from cotton fiber Hence, it was an important invention because it dramatically reduced the amount of time it took to separate cotton seeds from cotton fiber
Correct Answer: Issac Newton
Comments
There are no comments.More in General Knowledge:
Programming
Copyright ©CuriousTab. All rights reserved.