Who discovered Vitamin C (ascorbic acid) and its role in preventing scurvy, winning a Nobel Prize in 1937? MCQ with Answer and Explanation

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Who discovered Vitamin C (ascorbic acid) and its role in preventing scurvy, winning a Nobel Prize in 1937?

A. Albert Szent-Györgyi

B. Casimir Funk

C. Frederick Hopkins

D. Linus Pauling

Answer: Option A

Solution (By JKSSB Mock Tests)

Albert Szent-Györgyi isolated Vitamin C and discovered its metabolic components, receiving the Nobel Prize in Physiology or Medicine.

This question belongs to: Static General Knowledge Inventions and Discoveries

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Who invented the first operational hot air balloon, executing the first recorded human flight?

A. Montgolfier Brothers

B. Otto Lilienthal

C. Count Ferdinand von Zeppelin

D. Wright Brothers

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Correct Answer: Option A

Explanation:
Joseph-Michel and Jacques-Étienne Montgolfier developed and demonstrated the hot air balloon in France in 1783.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #2

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Who discovered the biological mechanism of vector cloning known as Polymerase Chain Reaction (PCR)?

A. Kary Mullis

B. Alec Jeffreys

C. Francis Crick

D. James Watson

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Correct Answer: Option A

Explanation:
Kary Mullis conceived the thermal cycling enzyme replication process to rapidly amplify specific DNA strands in 1983.

This question belongs to: Static General Knowledge Inventions and Discoveries

Question #3

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The invention of synthetic nylon fiber, which replaced silk in textiles, was led by which chemist at DuPont?

A. Stephanie Kwolek

B. Leo Baekeland

C. Roy Plunkett

D. Wallace Carothers

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Correct Answer: Option D

Explanation:
Wallace Carothers invented Nylon (Polyamide 6,6) and Neoprene synthetic rubber in the 1930s.

This question belongs to: Static General Knowledge Inventions and Discoveries

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