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Revision Notes

World Climatic Types

ICSE · Class 11 · Geography

Quick revision notes for World Climatic Types — ICSE Class 11 Geography. Key concepts, formulas, and definitions for last-minute revision.

65 questions48 flashcards5 concepts

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Key Topics to Revise

1

Weather and Climate

  • Weather is the sum total of atmospheric conditions at a place at a particular time.
  • Climate is the generalized and composite picture of average weather conditions and prominent departures over 30-35 years for a larger area.
  • Weather changes often and is studied over a small area; climate is more or less permanent and is studied over a large area.
2

Major Temperature Zones of the World

  • The ancient Greeks made the first attempt to classify world climates on the basis of temperature.
  • The Tropical or Torrid Zone extends from 23½° N to 23½° S and has almost vertical sun rays and no winter season.
  • The Temperate or Mid-latitude Zone lies between 23½° and 66½° latitudes and has marked seasonal contrasts.
3

Low Latitude Climates

  • Low latitude climates are generally confined to the tropical belt from 23½° N to 23½° S.
  • Monsoon and desert climates may extend to 30° and even beyond in the northern hemisphere.
  • The mean annual isotherm of 20°C determines the farthest limit of low latitude climates from the equator.
4

Equatorial Climate

  • Equatorial climate extends up to 10° N and S of the equator and may extend up to 20° on windward margins.
  • It is found in the Amazon Basin, Zaire Basin, and the south-east Asian Islands.
  • The annual average temperature is 27°C.

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Full Notes

Key Concepts

Weather is the sum totalThe Tropical or Torrid Zone liesLow latitude climates are generally confinedEquatorial climate extends up to 10°This climate occurs from 5°

Frequently Asked Questions

What are the important topics in World Climatic Types for ICSE Class 11 Geography?
World Climatic Types covers several key topics that are frequently asked in ICSE Class 11 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in World Climatic Types — ICSE Class 11 Geography?
Understand the core concepts first, then work through the 65 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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