List of Famous Discoveries and Inventions of Scientists Online Quiz Test 2

There have been several discoveries and inventions by various scientists that have changed the way we live in and think about the universe. Having information about them is really important as questions related to them are often asked in various general knowledge related written exams as well as interviews. So in order to help you in assessing and also improving you knowledge about this topic, given below is a free online test about famous discoveries and inventions.

List of Famous Discoveries and Inventions of Scientists Online Quiz Test 2

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General Knowledge

1. Which one of the following pairs is correctly matched?

Madam Curie --- X-rays

Albert Einstein --- Photoelectric effect

Linus Pauling --- Electron

C. V. Raman --- Stock Effect

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Question 1 of 20

2. John Walker invented:

Safety Razor

Safety Pin

Safety Match

Safety Valve

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Question 2 of 20

3. Who invented the laser?

Charles H. Townes

Sir Frank Whittle

Fred Morrisson

Symour Cray

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Question 3 of 20

4. Who discovered the smallpox vaccine?

Joseph Lister

Edward Jenner

Alexander Fleming

Louis Pasteur

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Question 4 of 20

5. Who was the first to measure earth's radius?

Galileo

Ptolemy

Eratosthenes

Copernicus

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Question 5 of 20

6. Which of the following are the discoveries of Einstein?

Radioactivity and photoelectric effect

X-rays and photoelectric effect

Theory of relativity and photoelectric effect

Radioactivity ad theory of relativity

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Question 6 of 20

7. Which one of the following is the correct combination of the inventors and the inventions?

J. L. Barid --- Television

Galileo Galilei --- Transistors

Sir Frank Whittle --- Laser

Elisha Thomson --- Windmill

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Question 7 of 20

8. Which of the following pairs of discovery and discoverer is incorrectly matched?

Television --- Baird

Telephone --- Morse

Transistor --- Shockley

Typewriter --- Sholes

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Question 8 of 20

9. Which of the following pairs of explorers and discoveries is incorrectly matched?

Christopher Columbus --- North America

James Cook --- Australia and New Zealand

Robert Peary --- Green Land

Marco Polo --- India

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Question 9 of 20

10. Insulin was discovered by ___________ ?

Edmond Fischer

Dr. F. G, Banting

Joseph E. Murray

Alexander Fleming

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Question 10 of 20

11. Radioactivity was discovered by ___________ ?

Marie Curie

Newton

Henry Bequerel

Einstein

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Question 11 of 20

12. Which scientist is credited with the discovery of noble gasses?

McDonald

Rutherford

Madame

Cavendish

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Question 12 of 20

13. For which invention is Alessandro Volta famous?

Battery

Light Bulb

Telephone

Camera

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Question 13 of 20

14. Who propounded the theory that the Earth revolves round the Sun?

Kepler

Copernicus

Newton

Galileo

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Question 14 of 20

15. Gun Powder was invented by ____________ ?

Albert Einstein

Alfred Nobel

Roger Bacon

Alexander Fleming

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Question 15 of 20

16. Which of the following scales was devised by Celsius?

Fahren Heit

None of these

Absolute

Centigrade

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Question 16 of 20

17. Mercury thermometer was invented by?

Priestly

Newton

Fahrenheit

Galileo

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Question 17 of 20

18. Oxygen was discovered by:

Joseph Priestley

William Ramsay

Neil Bohr

Rutherford

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Question 18 of 20

19. Who invented the internal combustion engine?

Jacques Besson

Carl Benz

Rudolf Diesel

Franco Modigliani

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Question 19 of 20

20. Which of the following pairs is incorrect?

Roentgen : X-rays

Faraday : Diffusion of Gases

Newton : Law of Gravitation

Pasteur : Bacteriology

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Question 20 of 20

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