Who discovered the bacterium Vibrio cholerae, the causative agent of cholera? MCQ with Answer and Explanation

Who discovered the bacterium Vibrio cholerae, the causative agent of cholera?
A. Joseph Lister
B. Louis Pasteur
C. Robert Koch
D. Alexander Fleming
Answer: Option C
Solution (By JKExamLibrary)
Robert Koch isolated Vibrio cholerae in 1883 during an epidemic outbreak investigation in Egypt and India.

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Practice More Inventions and Discoveries Questions

Question #1 Report Error
The invention of the common computing networking layout known as TCP/IP was co-developed by whom?
A. Tim Berners-Lee
B. Robert Metcalfe
C. Vint Cerf and Bob Kahn
D. Alan Turing

Correct Answer: Option C


Explanation:
Cerf and Kahn designed the transmission control and internet communication protocols for ARPANET during the 1970s.

Question #2 Report Error
The invention of the modern mechanical wristwatch was popularized for military utility by which brand/designer?
A. John Harrison
B. Patek Philippe
C. Abraham-Louis Breguet
D. Louis Cartier

Correct Answer: Option D


Explanation:
Louis Cartier created the Santos wristwatch in 1904 for pilot Alberto Santos-Dumont, popularizing men's portable wrist watches over pocket variants.

Question #3 Report Error
Who discovered that atomic structural properties are governed by specific continuous wave function coordinates, formulating Wave Mechanics?
A. Werner Heisenberg
B. Erwin Schrödinger
C. Niels Bohr
D. Max Born

Correct Answer: Option B


Explanation:
Erwin Schrödinger formulated the Schrödinger Equation in 1925, introducing wave function dynamics to quantum models.