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
22451
What feature often forms the edges of a plateau, marking the sharp transition to lower land?
Answer:
Escarpments (Cliffs)
The steep slope or cliff that often defines the boundary of a plateau, separating it from the lower surrounding land, is known as an escarpment or scarp.
22452
The **Massif Central** is a major plateau region located entirely in which European country?
Answer:
France
The Massif Central is a range of mountains and plateaus in south-central France, known for its extinct volcanoes and rugged topography.
22453
What is the geological name for plateaus formed by successive eruptions of highly fluid basaltic lava?
Answer:
Lava Plateaus (Flood Basalts)
Lava plateaus are formed when massive flows of molten, low-viscosity basaltic lava erupt from fissures and spread widely before solidifying into thick, flat layers.
22454
A **Dissected Plateau** is defined by which geological characteristic?
Answer:
It is heavily eroded by rivers and streams, forming deep valleys.
Dissected plateaus are created when streams and rivers cut deeply into a flat, elevated landmass over time, resulting in a rugged terrain of steep hills and valleys.
22455
The **Colorado Plateau** in the United States is primarily known for having been carved by which major river?
Answer:
Colorado River
The Colorado River and its tributaries carved the extensive canyon systems, including the Grand Canyon, into the uplifted rock layers of the Colorado Plateau.
22456
The formation of the **Tibetan Plateau** is directly linked to the collision of the Indian Plate with which other major tectonic plate?
Answer:
Eurasian Plate
The Tibetan Plateau and the Himalayas were formed by the ongoing continental collision between the Indian Plate and the Eurasian Plate, which began approximately $50$ million years ago.
22457
The **Patagonian Plateau** covers the southern portion of which continent?
Answer:
South America
The Patagonian Plateau, or Patagonian Desert, is a massive semi-arid shrubland and plain covering the southern region of Argentina in South America, located east of the Andes Mountains.
22458
Plateaus are often referred to by what common descriptive synonym?
Answer:
Tablelands
The term 'tableland' perfectly captures the defining feature of a plateau: a large, flat, elevated area of land, resembling the top of a table.
22459
Which plateau region forms the bulk of Central and Western Australia?
Answer:
Western Plateau
The Western Plateau (or Western Australian Shield) is the largest physiographic region in Australia, covering most of the western two-thirds of the continent. It is a vast, ancient, and generally flat area.
22460
The **Columbia Plateau** in the USA is made primarily of which rock type due to its volcanic origin?
Answer:
Basalt
The Columbia Plateau is a vast flood basalt plateau, meaning it was formed by successive, immense eruptions of highly fluid basaltic lava that flowed across the surface and solidified into thick layers.