Scientific Inventions and Their Inventors MCQs 10 Score: 0 Attempted: 0/20 1. Who invented the telephone? (A) Alexander Graham Bell (B) Thomas Edison (C) Guglielmo Marconi (D) Nikola Tesla 2. Who is credited with inventing the light bulb? (A) Benjamin Franklin (B) Thomas Edison (C) Nikola Tesla (D) Michael Faraday 3. Who discovered the X-rays? (A) Marie Curie (B) Wilhelm Roentgen (C) James Clerk Maxwell (D) Louis Pasteur 4. The first successful airplane was invented by: (A) Alexander Graham Bell (B) Wright Brothers (C) Henry Ford (D) Robert Fulton 5. Who developed the theory of relativity? (A) Isaac Newton (B) Albert Einstein (C) Galileo Galilei (D) Stephen Hawking 6. Who is known as the father of the computer? (A) Charles Babbage (B) Alan Turing (C) John von Neumann (D) Bill Gates 7. Who invented the World Wide Web (WWW)? (A) Tim Berners-Lee (B) Bill Gates (C) Steve Jobs (D) Vint Cerf 8. Who discovered the law of gravity? (A) Albert Einstein (B) Isaac Newton (C) Galileo Galilei (D) Johannes Kepler 9. The first practical steam engine was developed by: (A) James Watt (B) Thomas Newcomen (C) George Stephenson (D) Michael Faraday 10. Who invented the radio? (A) Nikola Tesla (B) Guglielmo Marconi (C) Alexander Graham Bell (D) Heinrich Hertz 11. Who discovered penicillin? (A) Louis Pasteur (B) Alexander Fleming (C) Robert Koch (D) Edward Jenner 12. Who invented dynamite? (A) Alfred Nobel (B) Marie Curie (C) Robert Boyle (D) Antoine Lavoisier 13. Who invented the first electric battery? (A) Alessandro Volta (B) Thomas Edison (C) Nikola Tesla (D) Michael Faraday 14. Who developed the polio vaccine? (A) Edward Jenner (B) Louis Pasteur (C) Jonas Salk (D) Alexander Fleming 15. Who invented the first mechanical calculator? (A) Blaise Pascal (B) Charles Babbage (C) Alan Turing (D) John Napier 16. Who discovered the structure of DNA? (A) Watson and Crick (B) Rosalind Franklin (C) Gregor Mendel (D) Linus Pauling 17. Who invented the electric motor? (A) Nikola Tesla (B) Michael Faraday (C) Thomas Edison (D) James Watt 18. Who discovered radioactivity? (A) Albert Einstein (B) Marie Curie (C) Henri Becquerel (D) Wilhelm Roentgen 19. Who developed the first successful automobile? (A) Karl Benz (B) Henry Ford (C) Nikola Tesla (D) Gottlieb Daimler 20. Who invented the first practical television? (A) John Logie Baird (B) Philo Farnsworth (C) Guglielmo Marconi (D) Nikola Tesla