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
51
Who won the Nobel Prize in Chemistry in 1953 for discoveries in the field of macromolecular chemistry (polymers)?
Answer:
Hermann Staudinger
Staudinger proved the existence of macromolecules (polymers), paving the way for the plastics industry.
52
Yoshinori Ohsumi won the Nobel Prize in Medicine in 2016 for his discoveries of mechanisms for:
Answer:
Autophagy
Autophagy is the process by which cells degrade and recycle their own components.
53
Who won the Nobel Prize in Physics in 1929 for his discovery of the wave nature of electrons?
Answer:
Louis de Broglie
De Broglie proposed that particles of matter, like electrons, have wave properties, a key concept in quantum mechanics.
54
Rita Levi-Montalcini shared the 1986 Nobel Prize in Medicine for the discovery of:
Answer:
Growth factors (NGF)
She discovered the Nerve Growth Factor (NGF), shedding light on how cells regulate growth and communication.
55
Who won the Nobel Prize in Physics in 1956 for the invention of the transistor?
Answer:
Shockley, Bardeen, and Brattain
John Bardeen, Walter Brattain, and William Shockley invented the transistor, the building block of modern electronics.
56
Svante Pääbo won the Nobel Prize in Medicine in 2022 for his discoveries concerning:
Answer:
The genomes of extinct hominins and human evolution
Pääbo sequenced the genome of the Neanderthal and discovered a previously unknown hominin, Denisova.
57
Charles Kao received the Nobel Prize in Physics in 2009 for groundbreaking achievements concerning:
Answer:
Transmission of light in optical fibers
Kao's work laid the foundation for modern fiber-optic communication networks.
58
Who won the Nobel Prize in Chemistry in 2009 for studies of the structure and function of the ribosome?
Answer:
Venki Ramakrishnan, Thomas Steitz, Ada Yonath
They used X-ray crystallography to map the position for each of the hundreds of thousands of atoms that make up the ribosome.
59
Hans Bethe won the Nobel Prize in Physics in 1967 for his theory on:
Answer:
Energy production in stars
Bethe explained how stars like the Sun generate energy through nuclear fusion reactions (nucleosynthesis).
60
Har Gobind Khorana shared the 1968 Nobel Prize in Medicine for interpreting:
Answer:
The Genetic Code
Khorana, Holley, and Nirenberg deciphered the genetic code and its function in protein synthesis.