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
21
The concept of 'interchangeable parts' was popularized by:
Answer:
Eli Whitney
Eli Whitney popularized interchangeable parts for muskets, a concept that became the foundation of modern mass production.
22
Which canal, opened in 1869, significantly shortened the route between Europe and Asia?
Answer:
Suez Canal
The Suez Canal connected the Mediterranean Sea to the Red Sea, eliminating the need for ships to sail around Africa to reach Asia.
23
Who invented the dynamo, which generates electricity?
Answer:
Michael Faraday
Michael Faraday discovered the principle of electromagnetic induction and built the first dynamo (electric generator) in 1831.
24
The 'Second Industrial Revolution' (late 19th century) is characterized by the use of:
Answer:
Electricity, Steel, and Chemicals
While the First Industrial Revolution focused on steam and textiles, the Second (c. 1870-1914) focused on steel, electricity, chemicals, and petroleum.
25
Who invented the seed drill, which improved agricultural efficiency?
Answer:
Jethro Tull
Jethro Tull invented the seed drill in 1701, allowing seeds to be planted in rows at specific depths rather than being scattered by hand.
26
What is a 'Tenement'?
Answer:
A crowded, run-down apartment building
Tenements were low-rise apartment buildings in industrial cities where the working class lived in cramped, unsanitary conditions.
27
The 'Spinning Mule' combined features of the Spinning Jenny and the Water Frame. Who invented it?
Answer:
Samuel Crompton
Samuel Crompton invented the Spinning Mule in 1779, which produced finer and stronger thread than earlier machines.
28
Who invented the first practical steamboat, the 'Clermont'?
Answer:
Robert Fulton
Robert Fulton's 'Clermont' successfully navigated the Hudson River in 1807, demonstrating the commercial viability of steamboats.
29
Which French chemist discovered the process of pasteurization?
Answer:
Louis Pasteur
Louis Pasteur discovered that heat could kill bacteria in liquids (pasteurization) and developed the germ theory of disease.
30
The 'Factory Act of 1833' in Britain was passed to:
Answer:
Restrict child labor
The Act prohibited the employment of children under 9 in textile mills and limited the working hours for older children.