Drainage System
Uttar Pradesh Board · Class 11 · Geography
Summary of Drainage System for Uttar Pradesh Board Class 11 Geography. Key concepts, important points, and chapter overview.
Overview
A drainage system is the network of channels through which water flows from higher to lower areas. In India, drainage systems are formed by rivers, streams, and tributaries that collect and carry water from specific catchment areas. The Indian drainage system is shaped by geological factors, topogra
Key Concepts
The network of channels through
The network of channels through which water flows is called drainage, and the entire network is the drainage system. A catchment area is the region dr
Four main patterns exist
Four main patterns exist: Dendritic (tree-like branches, seen in northern plains), Radial (rivers flowing in all directions from a central point like
Evolved through geological history
Evolved through geological history, mainly includes Indus, Ganga, and Brahmaputra basins. These are perennial rivers fed by snow-melt and rainfall. Th
Older than Himalayan system with broad
Older than Himalayan system with broad, shallow valleys indicating maturity. Most rivers flow east to Bay of Bengal except Narmada and Tapi which flow
Based on discharge
Based on discharge: Arabian Sea drainage (23%) and Bay of Bengal drainage (77%). Based on size: Major basins (>20,000 sq km), Medium basins (2,000-20,
Learning Objectives
- Understand the concept of drainage and drainage systems
- Learn about different drainage patterns and their characteristics
- Classify Indian drainage systems based on various criteria
- Study the major Himalayan river systems (Indus, Ganga, Brahmaputra)
- Analyze the Peninsular drainage systems and their features
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Drainage System covers several key topics that are frequently asked in Uttar Pradesh Board Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
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Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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