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
2921
The 2019 Nobel Prize in Physics was awarded to Michel Mayor and Didier Queloz for the discovery of what?
Answer:
An Exoplanet orbiting a solar-type star
Michel Mayor and Didier Queloz shared half of the 2019 prize for the discovery of 51 Pegasi b, the first exoplanet discovered orbiting a solar-type star.
2922
Who won the Nobel Prize in Chemistry in 1911?
Answer:
Marie Curie
Marie Curie was awarded the Nobel Prize in Chemistry in 1911 for the discovery of the elements radium and polonium, making her a two-time laureate.
2923
Robert Koch was awarded the Nobel Prize in Physiology or Medicine in 1905 for his investigations into which disease?
Answer:
Tuberculosis
Robert Koch received the Nobel Prize in 1905 for his investigations and discoveries in relation to tuberculosis.
2924
Which technology earned Jack Kilby a share of the Nobel Prize in Physics in 2000?
Answer:
The Integrated Circuit
Jack Kilby was awarded a share of the 2000 Nobel Prize in Physics for his part in the invention of the integrated circuit.
2925
The 2021 Nobel Prize in Physiology or Medicine was awarded for the discovery of receptors for what?
Answer:
Temperature and Touch
David Julius and Ardem Patapoutian were awarded the 2021 Nobel Prize in Physiology or Medicine for their discoveries of receptors for temperature and touch.
2926
Who was awarded the Nobel Prize in Physics in 1922 for his services in the investigation of the structure of atoms?
Answer:
Niels Bohr
Niels Bohr received the Nobel Prize in Physics in 1922 for his work on the structure of atoms and the radiation emanating from them.
2927
The 2020 Nobel Prize in Physics was awarded to Roger Penrose, Reinhard Genzel, and Andrea Ghez for discoveries related to what cosmic objects?
Answer:
Black Holes
Roger Penrose was awarded for the discovery that black hole formation is a robust prediction of general relativity, while Genzel and Ghez were awarded for the discovery of a supermassive compact object (black hole) at the center of our galaxy.
2928
Which scientist won the Nobel Prize in Chemistry twice?
Answer:
Frederick Sanger
Frederick Sanger is the only person to win the Nobel Prize in Chemistry twice: in 1958 (for structure of insulin) and in 1980 (for DNA sequencing).
2929
The invention of the blue light-emitting diode (LED) earned which scientists the Nobel Prize in Physics in 2014?
Answer:
Akasaki, Amano, and Nakamura
Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura were awarded the 2014 Nobel Prize in Physics for the invention of efficient blue light-emitting diodes, which enabled bright and energy-saving white light sources.
2930
Who is the only person to win the Nobel Prize in Physics twice?
Answer:
John Bardeen
John Bardeen is the only person to be awarded the Nobel Prize in Physics twice: once in 1956 (for the transistor) and again in 1972 (for the BCS theory of superconductivity).