Inventions and Discoveries MCQs

Static General Knowledge

Inventions and Discoveries MCQs

Practice Inventions and Discoveries MCQs with answers and detailed explanations covering famous inventors, scientific discoveries, technological innovations, important inventions, groundbreaking research, Nobel-winning discoveries and contributions to science and technology frequently asked in SSC, Railway, Banking, UPSC, JKSSB, Police, Defence, Teaching and other competitive examinations.

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Practice Questions

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Question #401
The invention of the common marine engineering structure known as the modern offshore oil drilling rig platform was pioneered by whom?
A. John Ericsson
B. Robert Fulton
C. Charles Parsons
D. Alden J. Laborde
Discuss
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Correct Answer: Option D

Explanation:
Laborde designed 'Mr. Charlie' in 1953, the first transportable, submersible offshore drilling rig that launched deep-sea oil exploration.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #402
Who discovered that atomic electronic distributions can be mapped inside multi-dimensional coordinate grids, formulating Matrix Mechanics?
A. Werner Heisenberg, Max Born, and Pascual Jordan
B. Wolfgang Pauli
C. Niels Bohr
D. Erwin Schrödinger
Discuss
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Correct Answer: Option A

Explanation:
Heisenberg formulated matrix quantum mechanics in 1925, which Born and Jordan mathematically structured into matrix arrays.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #403
The invention of the common household storage layout known as the tupperware container was patented by whom?
A. Earl Tupper
B. Roy Plunkett
C. Leo Baekeland
D. Waldo Semon
Discuss
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Correct Answer: Option A

Explanation:
Earl Tupper developed airtight polyethylene injection-molded containers featuring flexible snap lids in 1946.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #404
Who discovered that the planet Saturn possesses a second massive satellite moon named Rhea?
A. Giovanni Domenico Cassini
B. Galileo Galilei
C. Christiaan Huygens
D. William Herschel
Discuss
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Correct Answer: Option A

Explanation:
Cassini discovered Rhea in 1672, alongside Tethys, Dione, and Iapetus, using long focal length aerial telescopes.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #405
The invention of the common medical diagnostic tracking method known as the western blot for separating protein chains was developed by whom?
A. W. Neal Burnette
B. Kary Mullis
C. Alec Jeffreys
D. Edwin Southern
Discuss
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Correct Answer: Option A

Explanation:
Burnette engineered the electroblotting analytical matrix protocol in 1979, naming it 'Western Blot' as a play on Southern's DNA blot method.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #406
Who discovered that certain types of chemical reactions produce electricity spontaneously, formalizing electrochemical cells?
A. Luigi Galvani and Alessandro Volta
B. Georg Ohm
C. Humphry Davy
D. Michael Faraday
Discuss
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Correct Answer: Option A

Explanation:
Galvani observed muscle contractions from static discharges, and Volta channeled this into the continuous current metallic pile.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #407
The invention of the common mechanical office typewriter spool ribbon reversal mechanism was patented by whom?
A. Christopher Sholes
B. Walter Hunt
C. John Pratt and Franz Xaver Wagner
D. John Loud
Discuss
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Correct Answer: Option C

Explanation:
Wagner patented the front-strike visibility layout and automated ribbon reversing wheels, which Underwood manufactured.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #408
Who discovered that the chemical element Boron is isolated by reacting boric acid with potassium metal?
A. Joseph Louis Gay-Lussac and Louis Jacques Thénard
B. Jöns Jacob Berzelius
C. Antoine Lavoisier
D. Humphry Davy
Discuss
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Correct Answer: Option A

Explanation:
Gay-Lussac and Thénard independently isolated elemental boron in 1808, around the same time as Sir Humphry Davy.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #409
The invention of the common industrial building safety device known as the wire rope cable line was patented by whom?
A. Elisha Otis
B. Wilhelm Albert
C. George Stephenson
D. Henry Bessemer
Discuss
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Correct Answer: Option B

Explanation:
German mining engineer Wilhelm Albert fabricated twisted iron wire ropes in 1834 to replace hemp mine hoist chains.
This question belongs to: Static General Knowledge Inventions and Discoveries

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