This quiz works best with JavaScript enabled. Home > Technology > Inventions > Inventions – Quiz 21 🏠 Homepage 📘 Download PDF Books 📕 Premium PDF Books Inventions Quiz 21 (20 MCQs) Quiz Instructions Select an option to see the correct answer instantly. 1. Eli Whitney created what? A) Morse code. B) Lightbulb. C) Phonograph. D) Cotton gin. Show Answer Correct Answer: D) Cotton gin. 2. What year was the transistor invented? A) 1929. B) 1858. C) 1947. D) 1525. Show Answer Correct Answer: C) 1947. 3. Streptomycin was invented by A) Marie Curie. B) Fleming. C) Walksman. D) None of these. Show Answer Correct Answer: C) Walksman. 4. For what is Charles Babbage (1792-1871) remembered? A) Computers. B) Telescopes. C) Radio-Telegraphy. D) Steam Boating. Show Answer Correct Answer: A) Computers. 5. These inventions were made by people of different nationalities from all over the world. Which nationality isn't named? A) Ukranian. B) Dutch. C) Japanese. D) None of above. Show Answer Correct Answer: C) Japanese. 6. In which decade with the first transatlantic radio broadcast occur? A) 1850s. B) 1860s. C) 1870s. D) 1900s. Show Answer Correct Answer: D) 1900s. 7. Atomic bomb was successfully developed by A) India. B) China. C) United States. D) Russia. Show Answer Correct Answer: C) United States. 8. Device used to determine aircraft direction by using magnetic field is called A) Mechanical compass. B) Thermal compass. C) Earth inductor compass. D) Magnetic compass. Show Answer Correct Answer: B) Thermal compass. 9. Who gave Professor Varanasi the idea to adopt the technology for bottles? A) His wife. B) His daughter. C) His friend. D) His colleague. Show Answer Correct Answer: A) His wife. 10. Who invented the computer? A) A-Konrad Zuse. B) B-Lewis Latimer. C) D-Samuel Morse. D) D-Antonie van. Show Answer Correct Answer: A) A-Konrad Zuse. 11. Facebook was made in A) 2004. B) 2006. C) 2008. D) 2010. Show Answer Correct Answer: A) 2004. 12. Known as "one of the fathers of iPOD" A) Tony Fadell. B) Steve Mann. C) James Rusell. D) Seymour Papert. Show Answer Correct Answer: A) Tony Fadell. 13. Revolver discovered by A) Bushwell. B) Daimler. C) Colt. D) Mercafter. Show Answer Correct Answer: C) Colt. 14. First affordable personal computer A) Z4. B) APPLE II. C) UNIVAC. D) ENIAC. Show Answer Correct Answer: B) APPLE II. 15. Who invented the first controllable flying AEROPLANE (AIRPLANE)? A) Wright Brothers. B) Lidenbergh Brothers. C) South Brothers. D) West Brothers. Show Answer Correct Answer: A) Wright Brothers. 16. When was the first elevator built? A) 1743. B) 1739. C) 1760. D) 1785. Show Answer Correct Answer: A) 1743. 17. My computer mouse has no cables, it's ..... A) Miniature. B) Wireless. C) Paper-thin. D) Touch-sensitive. Show Answer Correct Answer: B) Wireless. 18. This English inventor is known as the 'Father of Computing.' A) Philo Farnsworth. B) J. Presper Eckert. C) John Mauchly. D) Charles Babbage. Show Answer Correct Answer: D) Charles Babbage. 19. The refrigerator was invented to help keep food from spoiling in the heat. Who was the German who invented it? A) Isaac Newton. B) Carl Von Linde. C) Benjamin Franklin. D) George Washington. Show Answer Correct Answer: B) Carl Von Linde. 20. Mail order cataloging, flexible urinary catherater, first pair of bifocals, wooden swim fins, lighting attractor and musical instrument 'Armonica' are inventions of A) George Whatley. B) Thomas Jefferson. C) Oliver Evans. D) BenjaminFranklin. Show Answer Correct Answer: D) BenjaminFranklin. ← PreviousNext →Related QuizzesTechnology QuizzesInventions Quiz 1Inventions Quiz 2Inventions Quiz 3Inventions Quiz 4Inventions Quiz 5Inventions Quiz 6Inventions Quiz 7Inventions Quiz 8Inventions Quiz 9 🏠 Back to Homepage 📘 Download PDF Books 📕 Premium PDF Books