Who discovered insulin, saving millions of lives affected by diabetes? MCQ with Answer and Explanation

Question
Who discovered insulin, saving millions of lives affected by diabetes?
A. Edward Jenner
B. Alexander Fleming
C. Robert Koch
D. Frederick Banting and Charles Best
Answer: Option D
Solution (By JKSSB Mock Tests)
Sir Frederick Banting, along with Charles Best and John Macleod, isolated insulin in 1921-1922.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Question #1
Who discovered the vaccine for Rabies?
A. Robert Koch
B. Edward Jenner
C. Louis Pasteur
D. Jonas Salk
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Correct Answer: Option C

Explanation:
Louis Pasteur developed the first vaccine against rabies by cultivating the virus in rabbits and drying the affected nerve tissue.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
The invention of the common electronic computational methodology known as microprogramming was proposed by whom?
A. John von Neumann
B. Charles Babbage
C. Maurice Wilkes
D. Alan Turing
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Correct Answer: Option C

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
Question #3
Who discovered that the chemical element Calcium is isolated via electrolysis of lime and mercuric oxide mixtures?
A. Jöns Jacob Berzelius
B. Joseph Black
C. Antoine Lavoisier
D. Humphry Davy
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Correct Answer: Option D

Explanation:
Sir Humphry Davy isolated elemental calcium metal in 1808 using a mercury-cell electrolysis setup.
This question belongs to: Static General Knowledge Inventions and Discoveries
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