Who discovered the bacterium responsible for causing Tuberculosis (TB)? MCQ with Answer and Explanation

Question
Who discovered the bacterium responsible for causing Tuberculosis (TB)?
A. Alexander Fleming
B. Edward Jenner
C. Robert Koch
D. Louis Pasteur
Answer: Option C
Solution (By JKSSB Mock Tests)
Robert Koch discovered Mycobacterium tuberculosis in 1882, establishing the germ theory of disease for TB.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
The invention of the common computing networking layout known as TCP/IP was co-developed by whom?
A. Robert Metcalfe
B. Alan Turing
C. Tim Berners-Lee
D. Vint Cerf and Bob Kahn
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Correct Answer: Option D

Explanation:
Cerf and Kahn designed the transmission control and internet communication protocols for ARPANET during the 1970s.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered that light waves shift in frequency relative to the relative motion between the source and observer?
A. Albert Einstein
B. Christian Doppler
C. Edwin Hubble
D. Heinrich Hertz
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Correct Answer: Option B

Explanation:
Christian Doppler proposed the Doppler Effect in 1842, which applies uniformly to both acoustic sound pitch adjustments and optical stellar shifts.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who invented the modern zipper mechanism with interlocking teeth in its final commercial form?
A. Whitcomb Judson
B. Elias Howe
C. Gideon Sundback
D. Walter Hunt
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Correct Answer: Option C

Explanation:
Gideon Sundback modified earlier primitive clasp locker designs into the modern 'Hookless Fastener' or zipper in 1913.
This question belongs to: Static General Knowledge Inventions and Discoveries
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