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) Louis Pasteur
(C) James Clerk Maxwell
(D) Wilhelm Roentgen
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) Galileo Galilei
(C) Albert Einstein
(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) Heinrich Hertz
(C) Alexander Graham Bell
(D) Guglielmo Marconi
11. Who discovered penicillin?
(A) Louis Pasteur
(B) Alexander Fleming
(C) Robert Koch
(D) Edward Jenner
12. Who invented dynamite?
(A) Robert Boyle
(B) Marie Curie
(C) Alfred Nobel
(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) Jonas Salk
(B) Louis Pasteur
(C) Edward Jenner
(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) Nikola Tesla
(C) Guglielmo Marconi
(D) Philo Farnsworth