General Awareness ยท Science General
Inventors and Scientific Discoveries
4,616 Questions
This hub provides questions related to great inventors and their scientific discoveries. It covers the inventors of the telephone, radio, and microchips, alongside Nobel Prize winners. These facts are crucial for the general awareness section of major competitive exams.
Famous inventionsNobel Prize winnersScientific conceptsKey inventors
Inventors and Scientific Discoveries Questions
-
Max Theodor Felix von Laue
-
Alexander Fleming
-
Thomas Midgley Jr.
-
Frederick Soddy
B
Correct answer
Explanation
Alexander Fleming, the Scottish bacteriologist, discovered lysozyme in 1922 and famously observed the penicillin mold in 1928, revolutionizing antibiotic medicine.
-
Heisenburg
-
Vincent du Vigneaud
-
Linus Carl Pauling
-
Carl David Anderson
C
Correct answer
Explanation
Linus Carl Pauling revolutionized chemistry by applying quantum mechanics and diffraction techniques, leading to groundbreaking work on molecular structure and enzyme mechanisms.
-
Keats
-
Shelly
-
Byron
-
Wordswort
C
Correct answer
Explanation
Ada Lovelace, Lord Byron's daughter, worked with Charles Babbage on his analytical engine and is considered the first computer programmer. Her mathematical work and notes on Babbage's machine laid foundational concepts for computer programming.
-
Amartya Sen
-
Ronald Ross
-
Sir Chandrasekhara Venkata Raman
-
Pierre Curie
B
Correct answer
Explanation
Ronald Ross was born in Almora, India in 1857 and was awarded the 1902 Nobel Prize in Physiology or Medicine for discovering the malaria parasite life cycle in mosquitoes. This was a groundbreaking discovery that proved malaria was transmitted by mosquitoes, revolutionizing understanding of the disease and its prevention.
-
Jagadish Chandra Bose
-
Venkataraman Ramakrishnan
-
Sir Chandrasekhara Venkata Raman
-
Hargobind Khorana
C
Correct answer
Explanation
Sir C.V. Raman discovered the Raman effect in 1928, which explains how light scatters when passing through transparent materials. He was knighted in 1929 and received the Nobel Prize in Physics in 1930 for this groundbreaking work on light scattering.
-
John Nobel
-
William Nobel
-
Alfred Nobel
-
Ronald Nobel
C
Correct answer
Explanation
Alfred Nobel, a Swedish chemist and engineer, established the Nobel Prize through his will. The prize is named after him.
-
Ramanujam
-
Winston Churchill
-
Albert Einstein
-
Franklin Roosevelt
C
Correct answer
Explanation
Albert Einstein never learned to drive. Despite his brilliance in theoretical physics, he relied on others for transportation throughout his life and never obtained a driver's license.
-
Tintin and the Golden Fleece
-
The Calculus Affair
-
Destination Moon
-
The seven Crystal Balls
B
Correct answer
Explanation
In The Calculus Affair (1956), Professor Calculus invents a sonic device that creates ultrasound capable of destroying glass and metal. The story revolves around attempts by foreign powers to steal this invention for use as a weapon of war.
-
Calculon
-
Calculan
-
Calcalan
-
Calcalun
A
Correct answer
Explanation
In the Destination Moon adventure duo, Professor Calculus invents 'Calculon,' a silicon-based, extremely heat-resistant material essential for the rocket engine that would take Tintin and his friends to the Moon. The material must withstand extreme temperatures during space travel.
-
Anders Hejlsberg
-
Dennis Ritchie
-
Bjarne Stroustrup
-
Grace Hopper
C
Correct answer
Explanation
Bjarne Stroustrup created C++ as an extension of the C programming language at Bell Labs in 1979. Dennis Ritchie created C. Anders Hejlsberg created Turbo Pascal, Delphi, C#, and TypeScript. Grace Hopper pioneered early programming languages like FLOW-MATIC and COBOL.
-
Waterman
-
Oscar
-
Wilson
-
Lazlo Biro
D
Correct answer
Explanation
Lazlo Biro, a Hungarian journalist, invented the modern ballpoint pen in the 1930s. His design used a tiny ball bearing that rotated to pick up ink and deposit it on paper. The invention revolutionized writing instruments and became commercially successful worldwide.
-
Darwin
-
Lammarck
-
Oparin
-
Haechel
C
Correct answer
Explanation
Alexander Oparin, a Soviet biochemist, proposed the theory of chemical evolution in his 1924 book 'The Origin of Life.' His hypothesis suggested that life arose through gradual chemical evolution of organic molecules in Earth's early atmosphere. This differed from Darwin's biological evolution theory.
-
Pencillin
-
X-ray
-
Streptomycin
-
Telephone
A
Correct answer
Explanation
Alexander Fleming discovered penicillin in 1928 at St. Mary's Hospital in London when he noticed that mold (Penicillium notatum) had contaminated a bacterial culture plate and killed the bacteria. This accidental discovery revolutionized medicine and earned Fleming the Nobel Prize. X-ray was discovered by Roentgen, while streptomycin was discovered by Waksman, and the telephone by Graham Bell.
-
James Arkwight
-
James Watt
-
William Caxton
-
Isaac Newton
C
Correct answer
Explanation
William Caxton introduced the printing press to England in 1476 after learning the technique in Cologne. He set up his press at Westminster and was the first English printer, producing books like 'Canterbury Tales'. James Arkwright (correct spelling: Arkwright) was involved in textile machinery, James Watt in steam engines, and Isaac Newton in physics.
-
Faraday
-
Baird
-
Edison
-
Marconi
B
Correct answer
Explanation
John Logie Baird, a Scottish engineer, is credited with inventing the first working television system in the 1920s. He demonstrated the first working TV in 1926 and later developed color television. Faraday worked in electromagnetism, Edison in electric lighting and phonographs, and Marconi in wireless telegraphy.