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
21711
Which inventor is associated with the induction motor and alternating current (AC)?
Answer:
Nikola Tesla
Nikola Tesla championed the Alternating Current (AC) system for electricity transmission and invented the AC induction motor.
21712
The 'Transcontinental Railroad' in the US was completed in:
Answer:
1869
The First Transcontinental Railroad was completed on May 10, 1869, at Promontory Summit, Utah, linking the East and West coasts.
21713
Who invented the radio (wireless telegraphy)?
Answer:
Guglielmo Marconi
Guglielmo Marconi is credited with developing the first practical system for wireless telegraphy (radio) around 1895.
21714
Socialism generally advocates for:
Answer:
Public or state ownership of the means of production
Socialism arose as a reaction to the inequalities of capitalism, arguing that the means of production (factories, land) should be owned by the community or state.
21715
The 'Great Exhibition' of 1851 was held in:
Answer:
London (Crystal Palace)
The Great Exhibition was a showcase of industrial and cultural products from around the world, housed in the Crystal Palace in Hyde Park, London.
21716
Who developed the first vaccine (for Smallpox)?
Answer:
Edward Jenner
Edward Jenner developed the smallpox vaccine in 1796 using cowpox material, laying the foundation for immunology.
21717
The 'Chartist Movement' in Britain demanded:
Answer:
Political reforms like universal male suffrage
The Chartists were a working-class movement in the 1830s and 40s demanding the 'People's Charter', which included votes for all men and secret ballots.
21718
The 'Standard Oil Company' was founded by:
Answer:
John D. Rockefeller
John D. Rockefeller founded Standard Oil, which dominated the oil industry and became one of the first great monopolies (trusts) in the US.
21719
Who discovered radioactivity?
Answer:
Marie Curie (and Pierre Curie)
Marie Curie, often working with her husband Pierre, did pioneering research on radioactivity and discovered the elements polonium and radium.
21720
The 'Internal Combustion Engine' was critical for the development of:
Answer:
Automobiles
The internal combustion engine, running on gasoline or diesel, made the automobile (and later the airplane) possible, replacing steam for personal transport.