Who discovered the biological mechanism of continuous cell culturing, establishing the immortal 'HeLa cell line' in 1951? MCQ with Answer and Explanation

Question
Who discovered the biological mechanism of continuous cell culturing, establishing the immortal 'HeLa cell line' in 1951?
A. Jonas Salk
B. Robert Koch
C. George Otto Gey
D. Alexander Fleming
Answer: Option C
Solution (By JKSSB Mock Tests)
George Gey isolated and successfully cultivated cervical cancer tissue cells from Henrietta Lacks without them dying out in laboratory vessels.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered the process of nuclear fission in heavy elements, winning the Nobel Prize in Chemistry in 1944?
A. Lise Meitner
B. Otto Hahn
C. Enrico Fermi
D. Niels Bohr
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Correct Answer: Option B

Explanation:
German chemist Otto Hahn discovered nuclear fission of uranium in 1938 alongside Fritz Strassmann.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
The invention of the common chemical manufacturing system known as the Chamber Process optimized production of what?
A. Soda Ash
B. Nitric Acid
C. Sulfuric Acid
D. Bleaching Powder
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Correct Answer: Option C

Explanation:
John Roebuck patented the lead-chamber method in 1746, enabling the mass production of sulfuric acid, a key chemical of the Industrial Revolution.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
The invention of the common electronic computational methodology known as microprogramming was proposed by whom?
A. John von Neumann
B. Alan Turing
C. Charles Babbage
D. Maurice Wilkes
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Correct Answer: Option D

Explanation:
Wilkes formulated microprogramming in 1951 to simplify computer central processing unit development matrix layers.
This question belongs to: Static General Knowledge Inventions and Discoveries
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