Inventions Quiz 38 (20 MCQs)

Quiz Instructions

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1. Which among the following country's COVID vaccine could offer double protection against the virus if successful?

Correct Answer: A) United Kingdom.

2. When was George Washington carver born?

Correct Answer: A) 1860.

3. What is an invention?

Correct Answer: A) The creation of something that did not exist previously.

4. NASA has postponed the launch of James Webb Space Telescope till when?

Correct Answer: C) October 2021.

5. Who invented the first modern toothpaste in a tube?

Correct Answer: D) Washington Sheffield.

6. The changes in cell phones from generation to generation is an example of .....

Correct Answer: A) Technological evolution.

7. Because Great Britain had the ..... The Industrial Revolution began.

Correct Answer: A) Factors of production.

8. For what does the world owe Almon Strowger a debt of gratitude?

Correct Answer: C) Automatic Telephone Exchanges.

9. This was used to make the earliest printed book.

Correct Answer: C) Woodblock printing.

10. When were blue jeans invented?

Correct Answer: B) 1850.

11. An instrument used to detect earthquakes is called a .....

Correct Answer: A) Seismograph.

12. Innovations are the result of a series of refinements that have improved a basic invention over time. This is the scientific theory of

Correct Answer: A) Evolution.

13. What is the definition of innovation?

Correct Answer: B) An improvement made on an existing design.

14. First solar cell was invented in 1883 by

Correct Answer: D) CharlesFritts.

15. Virtual learning necessitates some kind of communication ..... such as a tablet, smartphone, or a laptop.

Correct Answer: C) Device.

16. Raising animals introduces this enormous problem

Correct Answer: A) Disease.

17. ..... invented the light bulb

Correct Answer: B) Thomas Edison.

18. Who invented the toilet?

Correct Answer: B) John Herrington.

19. What do all good inventions have in common?

Correct Answer: B) They make life easier and more enjoyable.

20. First combine harvester was invented in 1834 by

Correct Answer: A) Hiram Moore.