General Knowledge MCQs
Topic Notes: General Knowledge
MCQs and preparation resources for competitive exams, covering important concepts, past papers, and detailed explanations.
Plato
- Biography: Ancient Greek philosopher (427–347 BCE), student of Socrates and teacher of Aristotle, founder of the Academy in Athens.
- Important Ideas:
- Theory of Forms
- Philosopher-King
- Ideal State
41
Who was the first woman to win the Nobel Prize in Medicine (1947)?
Answer:
Gerty Cori
Gerty Cori (shared with her husband Carl) won for discovering the catalytic conversion of glycogen, known as the Cori cycle.
42
Which physicist developed the exclusion principle, stating that no two electrons can occupy the same quantum state?
Answer:
Wolfgang Pauli
The Pauli Exclusion Principle is a fundamental principle in quantum mechanics, explaining the structure of atoms and the stability of matter.
43
Who is known as the 'Father of Taxonomy' for developing the system of classifying organisms?
Answer:
Carl Linnaeus
Carl Linnaeus formalized the modern system of naming organisms called binomial nomenclature (e.g., *Homo sapiens*).
44
Who was the scientist that discovered the link between electricity and magnetism (electromagnetism)?
Answer:
Hans Christian Ørsted
Ørsted discovered that an electric current creates a magnetic field, a fundamental principle of electromagnetism.
45
Who is the inventor of the World Wide Web?
Answer:
Tim Berners-Lee
Sir Tim Berners-Lee invented the World Wide Web in 1989 while working at CERN.
46
Who was the Muslim polymath regarded as the 'Father of Optics'?
Answer:
Ibn al-Haytham
Ibn al-Haytham (Alhazen) wrote the 'Book of Optics' and was the first to correctly explain that vision occurs when light bounces off an object into the eye.
47
Who coined the term 'cell' after looking at cork under a microscope?
Answer:
Robert Hooke
Hooke observed the small box-like structures in cork and named them 'cells' because they resembled the cells of monks.
48
Who is known as the 'Father of Rocketry'?
Answer:
Robert Goddard
Robert Goddard launched the world's first liquid-fueled rocket in 1926, pioneering modern spaceflight.
49
Which scientist created the first nuclear reactor?
Answer:
Enrico Fermi
Fermi led the team that created Chicago Pile-1, the world's first artificial nuclear reactor.
50
Who discovered the process of nuclear fission?
Answer:
Lise Meitner
Lise Meitner (with Otto Hahn) discovered that uranium atoms split when bombarded with neutrons, releasing massive energy.