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Chapter 6 of 20
Revision Notes

Physical Features of India

Bihar Board · Class 9 · Social Science

Quick revision notes for Physical Features of India — Bihar Board Class 9 Social Science. Key concepts, formulas, and definitions for last-minute revision.

30 questions22 flashcards5 concepts

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A map illustrating the six major physiographic divisions of India: The Himalayan Mountains, The Northern Plains, The Peninsular Plateau, The Indian Desert, The Coastal Plains, and The Islands.
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Key Topics to Revise

1

Major Physiographic Divisions of India

  • India has six major physiographic divisions: Himalayan Mountains, Northern Plains, Peninsular Plateau, Indian Desert, Coastal Plains, and Islands
  • Each division has unique geological formation, relief features, and economic significance
  • The physical features complement each other and contribute to India's natural resource wealth
2

The Himalayan Mountains

  • Geologically young fold mountains stretching 2,400 km from Indus to Brahmaputra
  • Width varies: 400 km in Kashmir to 150 km in Arunachal Pradesh
  • Three parallel ranges: Himadri (Great Himalayas), Himachal (Lesser Himalayas), Shiwaliks (Outer Himalayas)
3

The Northern Plains

  • Formed by Indus, Ganga, and Brahmaputra river systems with their tributaries
  • Covers 7 lakh sq km, 2,400 km long, 240-320 km broad
  • Formed of alluvial soil deposited over millions of years
4

The Peninsular Plateau

  • Tableland of old crystalline, igneous and metamorphic rocks
  • Part of ancient Gondwana landmass, oldest landmass of India
  • Two divisions: Central Highlands (north of Narmada) and Deccan Plateau (south of Narmada)

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Full Notes

Key Concepts

India's physical features are grouped intoThe Himalayas are geologically young foldFormed by alluvial deposits from IndusA tableland of old crystallineWestern coast has narrow plains (Konkan

Frequently Asked Questions

What are the important topics in Physical Features of India for Bihar Board Class 9 Social Science?
Physical Features of India covers several key topics that are frequently asked in Bihar 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 Physical Features of India — Bihar Board Class 9 Social Science?
Understand the core concepts first, then work through the 30 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall 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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