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Environmental Science

NIOS Class 12

NIOS Class 12 Environmental Science is examined by the National Institute of Open Schooling (NIOS) and follows the NIOS open-schooling syllabus. Because NIOS prescribes NCERT textbooks, these revision notes, important questions, flashcards and summaries map directly to all 31 chapters of the NIOS Class 12 Environmental Science syllabus.

Study Resources

Choose the type of resource you need

Important Questions

Board exam-style questions with marking scheme

Revision Notes

Key formulas, concepts, and quick revision points

Flashcards

Quick-fire cards for active recall practice

Chapter Summary

Understand each chapter at a glance

Formula Sheet

Every formula you need in one place

Practice Quiz

Test yourself with interactive quizzes

Concept Maps

Visual diagrams showing how topics connect

Syllabus

Complete topic list and marks distribution

Study Plan

Day-by-day preparation schedule

All Chapters

31 chapters in NIOS Class 12 Environmental Science

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

Other Subjects

PhysicsscienceChemistryscienceBiologyscienceMathematicsscienceEnglishHindiEconomicsBusiness StudiescommerceAccountancycommercePolitical ScienceartsPsychologyartsGeographyartsHistoryartsSociologyartsMass CommunicationartsIntroduction to LawComputer SciencescienceData Entry OperationsLibrary & Information ScienceHome ScienceartsTourism

NIOS Class 12 Environmental Science — FAQs

Does NIOS Class 12 Environmental Science follow the NCERT syllabus?
Yes. NIOS (NIOS) uses NCERT textbooks, so the chapters and topics match those followed by CBSE. Every resource here is aligned to the NIOS Class 12 Environmental Science syllabus.
How many chapters are in NIOS Class 12 Environmental Science?
There are 31 chapters in the NIOS Class 12 Environmental Science syllabus. Each chapter has revision notes, important questions, flashcards, a summary and more on this page.
What is the best way to revise Environmental Science for NIOS Class 12?
Start with the chapter summary to grasp the big picture, then work through the important questions (NIOS board exam style), lock in formulas with the formula sheet, and use flashcards for quick recall before the NIOS exam.
Are these NIOS Class 12 Environmental Science resources free?
Yes — all NIOS (NIOS) Class 12 Environmental Science revision notes, questions, flashcards and summaries on Super Tutor are free to use. Sign up free to unlock AI-powered practice and a personalised study plan.

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