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- Question
Who invented the thermos flask?
Options- A. Ray Tomlinson
- B. Tim Berners-Lee
- C. William Cullen
- D. James Dewar
- Correct Answer
- James Dewar
- 1. Who invented radar?
Options- A. Fred Morrison
- B. A. H. Taylor and Leo C. Young
- C. Van Tassel
- D. W. K. Roentgen Discuss
- 2. Who discovered electron?
Options- A. E. Goldstien
- B. J. J. Thomson
- C. Ernest Rutherford
- D. J. Chadwick Discuss
- 3. Edward Jenner discovered vaccine for which of the following disease?
Options- A. Polio
- B. Tuberculosis
- C. Small Pox
- D. Rabies Discuss
- 4. Who developed the theory of relativity?
Options- A. Issac Newton
- B. Charles Darwin
- C. Marie Curie
- D. Albert Einstein Discuss
- 5. Who invented the Centigrade scale?
Options- A. Anders Celsius
- B. Daniel Gabriel Fahrenheit
- C. William Thomson
- D. Wright Brothers Discuss
- 6. Who invented the hot air balloon?
Options- A. Montgolfier brothers
- B. Wright brothers
- C. Lisitsyn brothers
- D. Walton brothers Discuss
- 7. Who discovered Insulin?
Options- A. Sir Alexander Fleming
- B. Frederick Banting
- C. James Watt
- D. Sir F.G. Hopkins Discuss
- 8. Who discovered Circulatory System?
Options- A. Thomas Edison
- B. William Harvey
- C. Robert Hooke
- D. Robert Boyles Discuss
- 9. Assembly line was invented by
Options- A. Alexander Parkes
- B. Luigi Palmieri
- C. Alexey Pajitnov
- D. Ransom Eli Olds Discuss
- 10. Who Invented Induction Coil?
Options- A. Edwin Howard Armstrong
- B. John Barber
- C. Edwin Beard Budding
- D. Nicholas Callan Discuss
Inventions problems
Search Results
Correct Answer: A. H. Taylor and Leo C. Young
Correct Answer: J. J. Thomson
Correct Answer: Small Pox
Correct Answer: Albert Einstein
Correct Answer: Anders Celsius
Correct Answer: Montgolfier brothers
Correct Answer: Frederick Banting
Correct Answer: William Harvey
Correct Answer: Ransom Eli Olds
Correct Answer: Nicholas Callan
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