Drainage System
CBSE · Class 11 · Geography
Summary of Drainage System for CBSE Class 11 Geography. Key concepts, important points, and chapter overview.
Interactive on Super Tutor
Studying Drainage System? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for chapter summary and more.
1,000+ Class 11 students started this chapter today
Overview
Drainage is the flow of water through well-defined channels, and the network of such channels is called a drainage system. Indian drainage is shaped by relief, slope, rock structure, rainfall, and geological history. Rivers form drainage patterns such as dendritic, radial, trellis, and centripetal.
Key Concepts
Drainage is the flow of water
Drainage is the flow of water through well-defined channels. A drainage system is the network formed by these channels. The drainage pattern of an are
A catchment area is the area
A catchment area is the area drained by a river. The boundary line separating one drainage basin from another is called a watershed. Large river catch
Dendritic drainage resembles tree branches
Dendritic drainage resembles tree branches. Radial drainage develops when rivers flow outward from a hill. Trellis drainage has parallel primary tribu
Indian drainage is divided into Arabian
Indian drainage is divided into Arabian Sea drainage and Bay of Bengal drainage. Nearly 77 per cent of the drainage area is oriented towards the Bay o
The Himalayan drainage mainly includes
The Himalayan drainage mainly includes the Indus, Ganga, and Brahmaputra systems. These rivers are perennial because they are fed by snowmelt and rain
Learning Objectives
- Define drainage, drainage system, catchment area, watershed, and river basin.
- Identify major drainage patterns and their formation.
- Differentiate between Himalayan and Peninsular drainage systems.
- Locate major river systems and their tributaries in India.
- Understand the role of geological history in shaping present drainage.
Frequently Asked Questions
What are the important topics in Drainage System for CBSE Class 11 Geography?
How to score full marks in Drainage System — CBSE Class 11 Geography?
Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Drainage System
Practice Quiz
Test yourself with a quick quiz
Important Questions
Practice with board exam-style questions
Revision Notes
Key points for last-minute revision
Formula Sheet
All formulas in one place
Concept Maps
See how topics connect visually
Study Plan
Step-by-step plan to ace this chapter
Flashcards
Quick-fire cards for active recall
Syllabus
What topics to cover
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Drainage System chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for CBSE Class 11 Geography.