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
On which river was the Hoover Dam constructed in 1936?
Answer:
Colorado River
The Hoover Dam, completed in 1936, was built on the Colorado River. This massive structure provides hydroelectric power, irrigation water, and flood control for the arid southwestern United States, supporting cities like Las Vegas and Los Angeles.
22
In which country is the Hoover Dam located?
Answer:
United States
The Hoover Dam is located in the United States, on the border of Nevada and Arizona. Completed in 1936, it harnesses the Colorado River for hydroelectric power, water supply, and flood control, serving as a critical infrastructure for the southwestern U.S.
23
When was the Panama Canal officially opened?
Answer:
1914
The Panama Canal, a 50-mile artificial waterway connecting the Atlantic and Pacific Oceans, was officially opened in 1914. Its construction, led by the United States, revolutionized global shipping by shortening maritime routes, particularly for trade between the Americas and Asia.
24
Where is the Grand Canal, the oldest man-made canal for shipping, located?
Answer:
China
The Grand Canal in China, constructed starting in the 5th century BCE and expanded in the 7th century, is the world's oldest and longest man-made canal for shipping, stretching over 1,770 kilometers. It connects Beijing to Hangzhou, facilitating trade and cultural exchange.
25
In which country are the Houston and Delaware Canals situated?
Answer:
United States
The Houston and Delaware Canals are located in the United States. The Houston Ship Channel supports maritime trade in Texas, while the Delaware Canal, part of the Chesapeake and Delaware Canal, connects the Delaware River to Chesapeake Bay, aiding regional commerce.
26
In which country is the Erie Canal, stretching 363 miles, located?
Answer:
United States
The Erie Canal, approximately 363 miles long, is located in the United States, connecting the Great Lakes to the Atlantic Ocean via the Hudson River. Completed in 1825, it transformed trade and settlement patterns in 19th-century America.
27
What is the length of the Kiel Canal in Germany, opened in 1895?
Answer:
61 miles
The Kiel Canal, opened in 1895 in Germany, spans about 61 miles (98 kilometers). Linking the North Sea to the Baltic Sea, it is one of the world's busiest artificial waterways, reducing shipping routes and enhancing maritime trade efficiency.
28
What is the length of the Albert Canal in Belgium, opened in 1939?
Answer:
74 miles
The Albert Canal in Belgium, opened in 1939, is approximately 74 miles (129 kilometers) long. Connecting the Meuse River to the Scheldt River, it facilitates inland shipping and industrial transport, significantly contributing to Belgium's economy.
29
Where is the Gota Canal, a notable ship canal, situated?
Answer:
Sweden
The Gota Canal, a historic ship canal, is located in Sweden, connecting the Baltic Sea to the North Sea via lakes and rivers. Opened in 1832, it stretches 190 kilometers and is now a popular tourist attraction, showcasing Sweden's engineering heritage.
30
In which country is the Aswan Dam located?
Answer:
Egypt
The Aswan Dam, specifically the Aswan High Dam, is located in Egypt on the Nile River. Completed in 1970, it controls flooding, generates hydroelectric power, and supports irrigation, playing a crucial role in Egypt's agriculture and energy sectors.