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 of the following are the discoveries of Einstein?

Radioactivity ad theory of relativity

Theory of relativity and photoelectric effect

X-rays and photoelectric effect

Radioactivity and photoelectric effect

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Question 1 of 20

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

Copernicus

Galileo

Ptolemy

Eratosthenes

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Question 2 of 20

3. John Walker invented:

Safety Pin

Safety Valve

Safety Razor

Safety Match

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Question 3 of 20

4. For which invention is Alessandro Volta famous?

Battery

Light Bulb

Camera

Telephone

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Question 4 of 20

5. Gun Powder was invented by ____________ ?

Alexander Fleming

Alfred Nobel

Albert Einstein

Roger Bacon

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Question 5 of 20

6. Oxygen was discovered by:

Neil Bohr

Rutherford

Joseph Priestley

William Ramsay

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Question 6 of 20

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

Galileo Galilei --- Transistors

Elisha Thomson --- Windmill

Sir Frank Whittle --- Laser

J. L. Barid --- Television

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Question 7 of 20

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

Christopher Columbus --- North America

Robert Peary --- Green Land

James Cook --- Australia and New Zealand

Marco Polo --- India

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Question 8 of 20

9. Insulin was discovered by ___________ ?

Alexander Fleming

Edmond Fischer

Joseph E. Murray

Dr. F. G, Banting

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Question 9 of 20

10. Who invented the internal combustion engine?

Carl Benz

Rudolf Diesel

Franco Modigliani

Jacques Besson

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Question 10 of 20

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

Cavendish

Madame

McDonald

Rutherford

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Question 11 of 20

12. Radioactivity was discovered by ___________ ?

Marie Curie

Henry Bequerel

Einstein

Newton

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Question 12 of 20

13. Who invented the laser?

Symour Cray

Sir Frank Whittle

Fred Morrisson

Charles H. Townes

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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. Which of the following pairs is incorrect?

Roentgen : X-rays

Newton : Law of Gravitation

Faraday : Diffusion of Gases

Pasteur : Bacteriology

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Question 15 of 20

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

Absolute

None of these

Centigrade

Fahren Heit

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Question 16 of 20

17. Who discovered the smallpox vaccine?

Joseph Lister

Louis Pasteur

Edward Jenner

Alexander Fleming

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Question 17 of 20

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

Television --- Baird

Transistor --- Shockley

Telephone --- Morse

Typewriter --- Sholes

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Question 18 of 20

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

Madam Curie --- X-rays

Linus Pauling --- Electron

Albert Einstein --- Photoelectric effect

C. V. Raman --- Stock Effect

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Question 19 of 20

20. Mercury thermometer was invented by?

Newton

Galileo

Fahrenheit

Priestly

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Question 20 of 20

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