Updated 6 August 2026·14 chapters

ICSE Class 11 Environmental Science — Syllabus 2026-27

ICSE Class 11 Environmental Science syllabus for 2026-27: all 14 chapters, with the topics in each. Follows the ICSE / ISC syllabus.

About this syllabus

The ICSE Class 11 Environmental Science course for 2026-27 has 14 chapters. Chapters with a topic breakdown link to their own syllabus page.

ICSE Class 11 Environmental Science — Chapter List

#	Chapter	Topics
1	Scope and the Application of Environmental Science	Meaning and Need for Environmental Science · Human Impact on the Environment · Scope: Key Areas of Study in Environmental Science
2	Resource Use and Ecological Foot prints of Human Societies	Mode of Existence and Resource Use · Hunting-Gathering Mode · Pastoral Mode
3	Understanding Ecosystems and Ecological Relationships	Ecology, Ecosystem, and Components of an Ecosystem · Trophic Levels, Food Chains, and Food Webs · Examples of Food Chains and Energy Flow
4	Nutrient Cycles, Ecological Succession, and Biomes	Nutrient Cycles · Major Nutrient Cycles · Law of Tolerance and Human Impact
5	Environmental Pollution and Control Strategies	Core Ideas and Types of Pollution · Causes of Air Pollution · Human Activities Altering Environmental Cycles
6	Water, Soil, and Environmental Pollution	Water Pollution and Water Bodies · Sources of Water Pollution and Industrial Pollution · Domestic Sewage Treatment
7	National Legislative Frameworks for Environment Protection and Conservation	Constitutional Provisions for Environmental Protection · Historical Background and the Bhopal Gas Tragedy · Major Environmental Laws in India
8	International Legal Regimes On Trade and Environment	International legal regimes and their role · GATT and WTO · Transnational corporations and environmental impact
9	Technological Evolution and Models	Technology and Its Evolution · Stages in the Evolution of Technology · Impact of Technology on Human Societies
10	Renewable Energy	Meaning of Energy and Energy Transformation · Conventional Sources of Energy · Major Conventional Sources: Coal, Petroleum, Natural Gas
11	Environmental Health and Disease Prevention	Health and Environment · Communicable Diseases · Malaria
12	Traditional Medicine and Biotechnology in Health	Traditional Systems of Medicine · Ayurveda · Unani Medicine
13	Ecosystem Analysis and Resilience	Ecosystem Analysis and Composition · Limiting Factors and Zone of Tolerance · Critical Variables and State Variables
14	Human-Environment Interaction and Problem Solving	Human-Environment Interaction and the Life-Environment Balance · Major Environmental Problems of the 21st Century · Loss of Biodiversity, Ozone Depletion, Climate Change, and Water Crisis

Preparation Strategy

Finish the textbook first — the prescribed textbook is the main source for school and board exams.
Keep a formula and definitions list — it makes last-week revision much faster.
Practise past papers — they show you the pattern questions follow.
Time your practice — attempt some papers under exam conditions.

Get chapter-wise help for ICSE Class 11 Environmental Science

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Frequently Asked Questions

Where can I find ICSE Class 11 Environmental Science Syllabus?

This page has syllabus for 14 chapters of ICSE Class 11 Environmental Science for the 2026-27 session. Each chapter links to its own page with the full set.

How should I prepare for ICSE Class 11 Environmental Science exams?

Go through the syllabus first, then work chapter by chapter: learn the ideas, practise questions, and revise with notes and flashcards. Leave time at the end to revise every chapter once more under timed conditions.

Has the ICSE Class 11 Environmental Science syllabus changed for 2026-27?

This page lists the chapters in the current ICSE Class 11 Environmental Science course. Boards revise syllabi from time to time, so check the board's official website for the latest notified syllabus.

More Environmental Science Resources

ICSE Class 11

Practice Quiz

Test yourself with quick quizzes

Important Questions

Exam-style questions with answers

Revision Notes

Key concepts and quick revision points

Formula Sheet

The formulas of each chapter in one place

Chapter Summary

Understand each chapter at a glance

Concept Maps

Diagrams showing how topics connect

Study Plan

Week-by-week preparation schedule

Flashcards

Quick-fire cards for active recall practice

Other ICSE Class 11 Subjects

Physics Chemistry Mathematics Biology Accountancy Business Studies Economics History