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Revision Notes
Physical divisions, climate and drainage — Revision Notes
Telangana Open School (TOSS) · Class 12 · Geography
Physical divisions, climate and drainage revision notes for Telangana Open School (TOSS) Class 12 Geography: 4 topics in quick points.
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 NotesKey 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?
Key topics in Physical divisions, climate and drainage include Location and Boundaries of India, Physiographic Divisions of India, Climate of India, Drainage System of India. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Physical divisions, climate and drainage for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 42 practice questions on Physical divisions, climate and drainage. Revise 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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