Who discovered the neutron in the year 1932? MCQ with Answer and Explanation

Question
Who discovered the neutron in the year 1932?
A. J.J. Thomson
B. James Chadwick
C. Niels Bohr
D. Ernest Rutherford
Answer: Option B
Solution (By JKSSB Mock Tests)
James Chadwick discovered the neutron in 1932, proving its existence as a neutral particle in the nucleus.
This question belongs to: Static General Knowledge Inventions and Discoveries
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Practice More Inventions and Discoveries Questions

Question #1
The invention of the multi-stage flash distillation process for large-scale seawater desalination was pioneered by whom?
A. Robert Silver
B. Charles Parsons
C. James Watt
D. Humphry Davy
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Correct Answer: Option A

Explanation:
Professor Robert Silver patented the highly efficient multi-stage flash distillation process in the late 1950s.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #2
Who discovered the exact relationship between mechanical work done and heat generated, leading to the SI unit of energy?
A. Rudolf Clausius
B. James Watt
C. James Prescott Joule
D. Lord Kelvin
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Correct Answer: Option C

Explanation:
James Prescott Joule established the mechanical equivalent of heat through rigorous thermodynamic experiments.
This question belongs to: Static General Knowledge Inventions and Discoveries
Question #3
Who discovered the precise genetic structure layout known as the operon model in bacterial gene regulation?
A. James Watson and Francis Crick
B. François Jacob and Jacques Monod
C. Barbara McClintock
D. Gregor Mendel
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Correct Answer: Option B

Explanation:
Jacob and Monod mapped the lac operon in E. coli, proving how cells inhibit or promote enzyme production based on nutrient environments.
This question belongs to: Static General Knowledge Inventions and Discoveries
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