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Inventions Quiz 11 (25 MCQs)

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1. Which invention helped Han farmers move much heavier loads than they could carry?

2. When was the air conditionner introduced in houses?

3. Electrons were discovered by

4. Because of the Industrial Revolution, the cottage industry?

5. First electric DC motor was invented by

6. A software design team is working on a new computer operating system. They analyze the market and work to develop new software using what type of problem-solving approach?

7. Who invented coffee filter?

8. Who is the inventor of the Telephone?

9. Ernest Rutherford invented what?

10. Microwave oven was invented by

11. Fax machine was invented by

12. Which invention is the science correspondent's favorite?

13. This man was a philosopher in ancient China and is the central figure of the Analects.

14. Telegraph Code was invented by

15. The locomotive (train engine) was invented by Richard Trevithick in

16. Who invented Automobiles using gasoline?

17. Mobile Phone invented in which year?

18. World Wide Web was publicly introduced for first time in

19. Why did the inventor make toothpaste?

20. Who amongst the following Won Nobel prize for inventing Vitamin K?

21. Who invented electric lightbulb?

22. What invention caused many deaths while testing it?

23. Who was the African American scientist who created more than 300 products from peanuts and sweet potatoes?

24. He is the Owner of Pixar and CEO of Apple

25. A ketchup bottle using the new technology will be produced the year after next.

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Inventions Quiz 11 (25 MCQs)

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