NIOS Class 12 Environmental Science — Syllabus 2026-27
NIOS Class 12 Environmental Science syllabus for 2026-27: all 31 chapters, with the topics in each. Follows the NIOS syllabus.
About this syllabus
The NIOS Class 12 Environmental Science course for 2026-27 has 31 chapters. Chapters with a topic breakdown link to their own syllabus page.
NIOS Class 12 Environmental Science — Chapter List
| # | Chapter |
|---|---|
| 1 | Origin of Earth and Evolution of the Environment |
| 2 | Environment and Human Society |
| 3 | Degradation of Natural Environment |
| 4 | Principles of Ecology |
| 5 | Ecosystem |
| 6 | Natural Ecosystem |
| 7 | Human Modified Ecosystem |
| 8 | Human Societies |
| 9 | Deforestation |
| 10 | Environmental Pollution |
| 11 | Environment and Health |
| 12 | Disasters and their Management |
| 13 | National Environmental Issues |
| 14 | Global Environmental Issues |
| 15 | Biodiversity Conservation |
| 16 | Conservation of other Natural Resources |
| 17 | Conservation of Soil and Land |
| 18 | Water and Energy Conservation |
| 19 | Concept of Sustainable Development |
| 20 | Modern Agriculture |
| 21 | Concept of Sustainable Agriculture |
| 22 | Cleaner Technologies |
| 23 | Environmental Legislation |
| 24 | Environmental Impact Assessment |
| 25 | Environmental Related Institutions and Organisation |
| 26 | Environmental Ethics and Gandhian Approach |
| 27 | Global Circulation of Water |
| 28 | Ground Water Resources |
| 29 | Fresh Water Resources |
| 30 | Methods of Water Harvesting |
| 31 | Water Conservation at Different Levels |
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 NIOS Class 12 Environmental Science
Super Tutor gives you chapter summaries, revision notes, practice quizzes and flashcards, organised around the NIOS syllabus. Free to start.
Try Super Tutor freeFrequently Asked Questions
Where can I find NIOS Class 12 Environmental Science Syllabus?
This page has syllabus for 31 chapters of NIOS Class 12 Environmental Science for the board exams 2027. Each chapter links to its own page with the full set.
How should I prepare for NIOS Class 12 Environmental Science board 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 NIOS Class 12 Environmental Science syllabus changed for 2026-27?
This page lists the chapters in the current NIOS Class 12 Environmental Science course. Boards revise syllabi from time to time, so check the board's official website for the latest notified syllabus.