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India as a Mega Diversity Nation — Syllabus

ICSE · Class 11 · Geography

What India as a Mega Diversity Nation covers in ICSE Class 11 Geography: 4 topics, for the 2026-27 session. Part of the ICSE Class 11 Geography syllabus.

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4 Topics · ICSE Class 11 Geography · 2026-27

Topics in India as a Mega Diversity Nation

1

Physical Extent and Location

  • India lies between 8°4' N and 37°6' N latitude and 68°7' E and 97°25' E longitude.
  • India is 3214 km long from Kashmir to Kanniyakumari and 2933 km broad from Rann of Kachchh to Arunachal Pradesh.
  • India covers about 3.28 million sq km and is the seventh largest country in the world.
2

Why India is a Mega-Diversity Nation

  • India has very varied climate, relief, and vegetation.
  • Hot desert climate covers Rajasthan and adjoining parts of Haryana, Punjab and Gujarat.
  • The triple tectonic division of India gives three major geomorphic components: Peninsular India, the Himalayas and their fold mountains, and the Indo-Gangetic plain.
3

Global Importance of India’s Biodiversity

  • The 17 mega-diverse countries include Brazil, Columbia, Indonesia, Mexico, Australia, India, China, Madagascar, Peru, Papua New Guinea, Ecuador, U.S.A., Venezuela, Malaysia, South Africa, Democratic R
  • These countries formed a group known as Like-Minded Megadiverse Countries.
  • About 45,000 plant species occur in India, and 15,000 are flowering plants.
4

Endemic Species of India

  • India is rich in endemic plants, but endemic mammals and birds are relatively few.
  • About 33% of India’s plants are endemic.
  • Only 44 species of mammals are endemic.

Key Concepts

Central concept: India as a mega diversity nation with rich variation in landforms, climate, flora, fauna, endemic species, and biodiversity regions

India: physical extent and locationIndia in the Oriental regionMega diverse countriesThree major geomorphic componentsClimatic diversityHimalayan RegionPeninsular Indian RegionTropical Rainforest Region

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Frequently Asked Questions

What are the important topics in India as a Mega Diversity Nation for ICSE Class 11 Geography?
Key topics in India as a Mega Diversity Nation include Physical Extent and Location, Why India is a Mega-Diversity Nation, Global Importance of India’s Biodiversity, Endemic Species of India. Study these first, then practise questions on each for Class 11 exams.
How should I revise India as a Mega Diversity Nation for Class 11 exams?
Learn the core ideas first, then work through the 65 practice questions on India as a Mega Diversity Nation. 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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