The invention of the high-power chemical explosive TNT (Trinitrotoluene) was originally intended for use as what? MCQ with Answer and Explanation
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Question #1
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Who discovered that the Milky Way is just one of many distinct independent galaxy clusters across space?
Correct Answer: Option C
Explanation:
Hubble identified Cepheid variable stars in the Andromeda Nebula, computing its enormous distance outside our own galactic boundaries.
Hubble identified Cepheid variable stars in the Andromeda Nebula, computing its enormous distance outside our own galactic boundaries.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #2
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Who discovered the biological mechanism of cloning in mammals, producing 'Dolly the Sheep' in 1996?
Correct Answer: Option C
Explanation:
Wilmut and Campbell successfully cloned an adult somatic cell using nuclear transfer methods at the Roslin Institute.
Wilmut and Campbell successfully cloned an adult somatic cell using nuclear transfer methods at the Roslin Institute.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
Question #3
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The invention of the common mechanical office typewriter correction tape ribbon method was developed by which company?
Correct Answer: Option D
Explanation:
IBM integrated specialized adhesive lift-off correction ribbons into Selectric mechanical ball typing tracking frameworks in 1973.
IBM integrated specialized adhesive lift-off correction ribbons into Selectric mechanical ball typing tracking frameworks in 1973.
This question belongs to:
Static General Knowledge
Inventions and Discoveries
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