All Categories MCQs
Topic Notes: All Categories
General Description
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
60791
Who won the Nobel Prize in Chemistry in 1964 for the determination of the structures of important biochemical substances by means of X-ray techniques?
Answer:
Dorothy Hodgkin
Hodgkin solved the atomic structures of critical molecules like penicillin and vitamin B12 using X-ray crystallography.
60792
Fritz Haber won the Nobel Prize in Chemistry in 1918 for the synthesis of:
Answer:
Ammonia
The Haber-Bosch process synthesizes ammonia from nitrogen and hydrogen, which is essential for fertilizers and global food production.
60793
J.J. Thomson received the Nobel Prize in Physics in 1906 for the discovery of the:
Answer:
Electron
Thomson's experiments with cathode rays led to the discovery of the electron, the first subatomic particle to be identified.
60794
Barbara McClintock won the Nobel Prize in Medicine in 1983 for the discovery of:
Answer:
Mobile genetic elements (Transposons)
McClintock discovered 'jumping genes' in maize, showing that genetic information is not stationary but can move within the genome.
60795
Who won the Nobel Prize in Physics in 2020 for the discovery that black hole formation is a robust prediction of the general theory of relativity?
Answer:
Roger Penrose
Roger Penrose used ingenious mathematical methods to prove that black holes are a direct consequence of Albert Einstein's general theory of relativity.
60796
Frederick Banting and J.J.R. Macleod won the Nobel Prize in 1923 for the discovery of:
Answer:
Insulin
Their discovery of insulin at the University of Toronto was a life-saving breakthrough for the treatment of diabetes.
60797
Tu Youyou was awarded the Nobel Prize in Medicine in 2015 for her discovery of:
Answer:
Artemisinin
Tu Youyou discovered Artemisinin, a drug that has significantly reduced the mortality rates for patients suffering from Malaria.
60798
Who won the Nobel Prize in Chemistry in 1908 for investigations into the disintegration of the elements and the chemistry of radioactive substances?
Answer:
Ernest Rutherford
Although a physicist by trade, Rutherford's work on radioactive half-lives and transmutation earned him the Chemistry prize.
60799
Subrahmanyan Chandrasekhar won the Nobel Prize in Physics in 1983 for his theoretical studies on:
Answer:
The structure and evolution of stars
He is famous for the 'Chandrasekhar limit,' which explains the maximum mass of a stable white dwarf star.
60800
Discoverers of the HIV virus, Françoise Barré-Sinoussi and Luc Montagnier, were awarded the Nobel Prize in Medicine in:
Answer:
2008
They shared the 2008 prize for their discovery of human immunodeficiency virus (HIV). Harald zur Hausen also shared the prize for discovering HPVs cause cervical cancer.