Geography MCQs
Topic Notes: Geography
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
1
How is a long, low-lying area of land that is surrounded by higher ground, such as hills or mountains, formally classified?
Answer:
valley
A valley is a low-lying area of land between hills or mountains, often formed by the erosive action of rivers or glaciers over long geological periods. They are distinct from plains, which are broad, flat areas of land.
2
What term describes the steep-walled, narrow valleys carved into the landscape by the erosive action of streams and rivers?
Answer:
V-shaped valleys
V-shaped valleys are characteristic landforms created by the downward erosion of rivers, particularly in their upper courses. As the river cuts vertically into the bedrock, the valley sides are steepened by weathering and mass wasting, resulting in a distinct 'V' shape. This contrasts with U-shaped valleys, which are typically formed by glacial erosion.
3
Which geological feature is recognized as the deepest canyon on Earth?
Answer:
Yarlung Zangbao Grand Canyon
The Yarlung Tsangpo Grand Canyon in Tibet is widely considered the deepest and longest canyon in the world. It is carved by the Yarlung Tsangpo River and reaches depths significantly greater than those of the Grand Canyon in the United States.
4
What are the primary classifications of river valleys based on their cross-sectional geometry?
Answer:
U-shaped and V-shaped
River valleys are typically categorized by their shape, which reflects the erosional processes involved. V-shaped valleys are primarily formed by the downward vertical erosion of rivers, while U-shaped valleys are characteristically formed by the erosional action of glaciers as they move through mountainous terrain.
5
The river which carves the Grand Canyon Plateau is:
Answer:
Colorado river
Source answer preserved: option C (Colorado river). AI attempted to change protected answer data (option_b), so this item is flagged for manual review before study use.