Chapter 16 of 31
Revision Notes
Cyclones, Flooding, Drought — Revision Notes
Telangana Open School (TOSS) · Class 12 · Geography
Cyclones, Flooding, Drought revision notes for Telangana Open School (TOSS) Class 12 Geography: 3 topics in quick points.
47 questions25 flashcards3 concepts
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Key Topics to Revise
1
Cyclones
- Cyclones are strong winds rotating around a low-pressure area.
- They form over warm tropical oceans with sea surface temperature above 27°C.
- India faces cyclones mainly in October–November and April–May.
2
Floods
- Floods occur when rivers or coasts overflow due to excessive water.
- About 12% of India’s land (over 40 million hectares) is flood-prone.
- Main causes: heavy rainfall, sediment deposition, deforestation, cyclones, and poor drainage systems.
3
Drought
- Drought is a slow-onset disaster caused by prolonged lack of rainfall.
- About 70% of India’s area is drought-prone.
- Main causes: rainfall scarcity, deforestation, overuse of groundwater, and loss of water bodies.
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Full NotesKey Concepts
Cyclones are strong winds that rotateFloods happen when rivers overflow dueDrought is a long period
Frequently Asked Questions
What are the important topics in Cyclones, Flooding, Drought for Telangana Open School (TOSS) Class 12 Geography?
Key topics in Cyclones, Flooding, Drought include Cyclones, Floods, Drought. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How should I revise Cyclones, Flooding, Drought for the Telangana Open School (TOSS) Class 12 board exam?
Learn the core ideas first, then work through the 47 practice questions on Cyclones, Flooding, Drought. 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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