Hello viewers, here you are going to get randomly selected general knowledge questions and answer on extremely notable Inventors and Inventions. This list is built on the basis of frequently found questions on numerous competitive tests. There are many other important inventions and inventors, so try to learn more from other sources too if its needed.

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1. Who invented Air Conditioning?
2. Who invented Atomic Bomb?
3. Who is the inventor of Ball-Point Pen?
4. Who invented the internet?
5. Who invented the mobile phone?
6. Who invented Electric Chair?
7. When was MacIntosh Computer invented?
8. When was MS-DOS invented?
9. Who invented ceiling fans?
10. Who invented Electric motor?
11. Who is inventor of Insulin?
12. Who is the inventor of Television?
13. Who is the inventor of medical Thermometer?
14. Who is considered as the inventor of Video games?
15. The name of the inventor of Telephone—
16. Who created Automobile, internal combustion (gasoline-powered)?
17. When was the first Fire-engine created?
18. Who is the creator of Jet engine?
19. Who invented the Typewriter?
20. Who is credited for the invention of Chocolate bar?
21. Who invented the Postage stamp?
22. What is the name of the inventor of Postcard?
23. Who invented X-rays?
24. Who invented the DNA (structure)?
25. The Swiss Army knife is invented by—
26. When was the Electric washing machine invented?
27. Who is the inventor of Penicillin?
38. Who invented Machine gun?
29. Who invented Rocket, liquid fuelled (first launch)?
30. Who is the inventor of submarine?
31. Who is the inventor of Refrigerator?
32. When was Pacemaker (artificial, implantable) invented?
33. Who invented Microscope (compound)?
34. Who is the inventor of Calculator (pocket)?
35. When was the Battery (dry cell) invented?
36. Who invented Bicycle (pedal)?
37. Who invented Genetics?
38. When was the Gas mask invented?
39. Who invented Micro-processor?
40. Who is the inventor of Radio telescope?

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