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 **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.
22
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.
23
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.
24
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.
25
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.
26
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.
27
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.
28
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.
29
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.
30
What geological process is primarily responsible for the massive, gradual uplift that forms **Continental Plateaus**?
Answer:
Tectonic Forces (Block Faulting or Uplift)
Continental plateaus are generally formed by massive, vertical movement of the Earth's crust caused by tectonic forces, either through block faulting (raising a large block of land) or broad crustal uplift.