Who discovered the principles of vaccination, microbial fermentation, and pasteurization? MCQ with Answer and Explanation

Question
Who discovered the principles of vaccination, microbial fermentation, and pasteurization?
A. Antonie van Leeuwenhoek
B. Edward Jenner
C. Robert Koch
D. Louis Pasteur
Answer: Option D
Solution (By JKSSB Mock Tests)
Louis Pasteur's extensive contributions include vaccines for rabies and anthrax, pasteurization, and germ theory breakthroughs.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
The invention of the carbon-14 dating technique to determine the age of organic materials was developed by whom?
A. Ernest Rutherford
B. Marie Curie
C. Willard Libby
D. Otto Hahn
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Correct Answer: Option C

Explanation:
Willard Libby led the team that developed radiocarbon dating in 1949, winning the 1960 Nobel Prize in Chemistry.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered the exact relationship between mechanical work done and heat generated, leading to the SI unit of energy?
A. James Watt
B. James Prescott Joule
C. Rudolf Clausius
D. Lord Kelvin
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Correct Answer: Option B

Explanation:
James Prescott Joule established the mechanical equivalent of heat through rigorous thermodynamic experiments.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered the planet Ceres, the first recognized asteroid, in 1801?
A. Giuseppe Piazzi
B. Johannes Kepler
C. Heinrich Olbers
D. William Herschel
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Correct Answer: Option A

Explanation:
Italian astronomer Giuseppe Piazzi discovered Ceres on January 1, 1801, initially cataloging it as a new comet or planet.
This question belongs to: Static General Knowledge Inventions and Discoveries
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