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Drainage

Uttarakhand Board · Class 9 · Social Science

Complete topic list for Drainage in Uttarakhand Board Class 9 Social Science. Key concepts, sub-topics, and what to focus on for board exams.

43 questions24 flashcards5 concepts

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An illustration showing how a drainage basin is formed by a river system and how an elevated area, like a mountain or upland, acts as a water divide separating two drainage basins.
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4 Topics · Uttarakhand Board Class 9 Social Science

Topics in Drainage

1

Basic Concepts of Drainage

  • Drainage describes the river system of an area
  • Small streams flow from different directions to form the main river
  • Rivers ultimately drain into large water bodies (lakes, seas, oceans)
2

Classification of Indian Rivers

  • Indian rivers are divided into two major groups: Himalayan rivers and Peninsular rivers
  • Classification is based on the broad relief features of the subcontinent
  • Himalayan rivers: Perennial (water throughout the year), receive water from rain and melted snow
3

Major Himalayan Rivers

  • Three major Himalayan rivers: Indus, Ganga, and Brahmaputra
  • These are long rivers joined by many large tributaries
  • A river along with its tributaries forms a river system
4

The Indus River System

  • Rises in Tibet near Lake Mansarowar
  • Flows west, enters India in Ladakh, forms picturesque gorge
  • Tributaries in Kashmir: Zaskar, Nubra, Shyok, Hunza

Key Concepts

An area drained by a singleAn elevated area like a mountainRivers originating from the HimalayasRivers of the peninsular plateauContamination of rivers due to domestic

Frequently Asked Questions

What are the important topics in Drainage for Uttarakhand Board Class 9 Social Science?
Drainage covers several key topics that are frequently asked in Uttarakhand Board Class 9 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Drainage — Uttarakhand Board Class 9 Social Science?
Start by understanding all key concepts. Practise previous year questions from this chapter. Revise formulas and definitions regularly. Use flashcards for quick revision before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

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All 20 chapters — Uttarakhand Board Class 9 Social Science Syllabus

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