Who discovered the citric acid cycle (also known as the Krebs cycle) in cellular respiration? MCQ with Answer and Explanation
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Question #1
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Who discovered the composition of water as a compound of hydrogen and oxygen gases?
Correct Answer: Option C
Explanation:
Henry Cavendish observed that burning hydrogen produces water, and Antoine Lavoisier correctly identified it as a compound rather than a base element.
Henry Cavendish observed that burning hydrogen produces water, and Antoine Lavoisier correctly identified it as a compound rather than a base element.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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The invention of the highly stable high-speed ship hull configuration known as the Hydrofoil was patented by whom?
Correct Answer: Option B
Explanation:
Forlanini and Bell developed wings that lifted boat hulls out of the water to eliminate surface drag friction.
Forlanini and Bell developed wings that lifted boat hulls out of the water to eliminate surface drag friction.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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Who invented the printing press with movable type around 1440?
Correct Answer: Option A
Explanation:
Johannes Gutenberg introduced movable-type printing to Europe, sparking the Printing Revolution.
Johannes Gutenberg introduced movable-type printing to Europe, sparking the Printing Revolution.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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