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
60781
Mario Molina shared the 1995 Nobel Prize in Chemistry for work concerning the decomposition of:
Answer:
Ozone
Molina, along with Rowland and Crutzen, showed how chlorofluorocarbons (CFCs) deplete the Earth's ozone layer.
60782
Ahmed Zewail won the Nobel Prize in Chemistry in 1999 for his studies using:
Answer:
Femtosecond spectroscopy
Zewail is known as the 'father of femtochemistry' for capturing atoms and molecules in motion during chemical reactions using ultrafast laser flashes.
60783
Werner Heisenberg was awarded the Nobel Prize in Physics in 1932 for the creation of:
Answer:
Quantum Mechanics
Heisenberg is best known for the Uncertainty Principle and his foundational work in the creation of quantum mechanics.
60784
Who won the Nobel Prize in Medicine in 1930 for the discovery of human blood groups?
Answer:
Karl Landsteiner
Landsteiner discovered the ABO blood group system, making safe blood transfusions possible.
60785
Robert Koch was awarded the Nobel Prize in Medicine in 1905 for his investigations and discoveries in relation to:
Answer:
Tuberculosis
Koch identified *Mycobacterium tuberculosis* as the bacterium causing tuberculosis, a major breakthrough in germ theory.
60786
Ivan Pavlov, known for 'Pavlov's dogs', won the Nobel Prize in Physiology or Medicine in 1904 for work on:
Answer:
Physiology of digestion
While famous for classical conditioning, Pavlov's Nobel was specifically for his research into the digestive glands and digestive physiology.
60787
Which trio won the Nobel Prize in Physics in 2014 for the invention of efficient blue light-emitting diodes (LEDs)?
Answer:
Akasaki, Amano, Nakamura
Isamu Akasaki, Hiroshi Amano, and Shuji Nakamura invented the blue LED, which enabled bright and energy-saving white light sources.
60788
Enrico Fermi won the Nobel Prize in Physics in 1938 for his work on:
Answer:
Induced radioactivity by neutron bombardment
Fermi demonstrated the existence of new radioactive elements produced by neutron irradiation and discovered nuclear reactions brought about by slow neutrons.
60789
Who was the first person to win the Nobel Prize in Chemistry twice (1958 and 1980)?
Answer:
Frederick Sanger
Sanger won in 1958 for the structure of proteins (insulin) and in 1980 for DNA sequencing methods. (Barry Sharpless later also won twice).
60790
Kary Mullis won the Nobel Prize in Chemistry in 1993 for inventing:
Answer:
PCR (Polymerase Chain Reaction)
Mullis developed PCR, a method to amplify specific DNA sequences, which revolutionized molecular biology and forensics.