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Physical divisions, climate and drainage

Telangana Open School (TOSS) · Class 12 · Geography

Quick revision notes for Physical divisions, climate and drainage — Telangana Open School (TOSS) Class 12 Geography. Key concepts, formulas, and definitions for last-minute revision.

42 questions30 flashcards4 concepts

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Key Topics to Revise

1

Location and Boundaries of India

  • India lies between 8°4'N to 37°6'N latitudes and 68°7'E to 97°25'E longitudes.
  • The latitudinal and longitudinal extent is about 29 degrees.
  • India measures 3,214 km from north to south and 2,933 km from east to west.
2

Physiographic Divisions of India

  • India is divided into six major physiographic regions: The Himalayas, Northern Plains, Peninsular Plateau, Indian Desert, Coastal Plains, and Islands.
  • The Himalayas consist of three parallel ranges: Himadri (Great Himalayas), Himachal (Lesser Himalayas), and Shiwaliks (Outer Himalayas).
  • Duns are longitudinal valleys between the Himachal and Shiwaliks (e.g., Dehra Dun).
3

Climate of India

  • India has a 'Tropical Monsoon' climate due to its location and monsoon wind patterns.
  • Four seasons: Cold weather (Dec–Feb), Hot weather (Mar–May), Advancing SW Monsoon (Jun–Sep), Retreating SW Monsoon (Oct–Nov).
  • Monsoon mechanism: Seasonal reversal of winds due to differential heating of land and sea.
4

Drainage System of India

  • Indian rivers are divided into Himalayan and Peninsular rivers.
  • Himalayan rivers are perennial (flow all year), fed by snowmelt and rain; Peninsular rivers are seasonal, dependent on rainfall.
  • Major Himalayan rivers: Indus, Ganga, Brahmaputra.

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Full Notes

Key Concepts

India is divided into six majorIndia experiences a tropical monsoon climateClimate in India is shaped byIndia’s rivers are classified into Himalayan

Frequently Asked Questions

What are the important topics in Physical divisions, climate and drainage for Telangana Open School (TOSS) Class 12 Geography?
Physical divisions, climate and drainage covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 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 divisions, climate and drainage — Telangana Open School (TOSS) Class 12 Geography?
Understand the core concepts first, then work through the 42 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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