NIOS Class 12 Environmental Science (333) Syllabus 2025-26 - Complete Guide by Unnati Education
Learn to care for the Earth and pass with confidence - Full Environment Science (333) Syllabus.
NIOS Environmental Science Syllabus Class 12 - Your Complete Study Guide for 2025
Learn to care for the Earth and pass with confidence - Full Environment Science (333) Syllabus.
Are you passionate about sustainability, pollution, and real-world impact? Environmental Science (333) in NIOS Class 12 is more than a subject it’s a life skill.
Whether you're from Arts, Science, or Commerce, this subject is scoring, practical, and relevant. At Unnati Education, we’ve helped thousands master this syllabus with notes, TMAs, practical files, and live coaching.
| MODULE | TMA (40%) (11 lessons) |
Public Examination (60%) |
|---|---|---|
| 1. Environment through Ages | Lesson-1 Origin of Earth and Evolution of the Environment |
Lesson-2 Environment and Human Society Lesson-3 Degradation of Natural Environment |
| 2. Ecological Concept and Issues | Lesson-7 Human Modified Ecosystem |
Lesson-6 Natural Ecosystem Lesson-4 Principles of Ecology Lesson-5 Ecosystem |
| 3. Human Impact on Environment | ----- |
Lesson-8 Human Societies Lesson-9 Deforestation |
| 4. Contemporary Environmental Issues | Lesson-12 Disaster and Their Management |
Lesson-10 Environmental Pollution Lesson-11 Environment and Health Lesson-13 National Environmental Issues Lesson-14 Global Environmental Issues |
| 5. Environmental Conservation |
Lesson-16 Conservation of Other Natural Resources Lesson-17 Soil and Land Conservation |
Lesson-15 Biodiversity Conservation Lesson-18 Water and Energy Conservation |
| 6. Sustainable Development |
Lesson-20 Modern Agriculture Lesson-22 Cleaner Technology |
Lesson-19 Concept of Sustainable Development Lesson-21 Concept of Sustainable Agriculture |
| 7. Environmental Management |
Lesson-25 Environmental Related Institutions and Organisation Lesson-26 Environmental Ethics and Gandhian Approach |
Lesson-23 Environmental Legislation Lesson-24 Environment Impact Assessment |
| 8A. Water Resource Management |
Lesson-27A Global Circulation of Environment Lesson-28A Ground Water Resources |
Lesson-29A Fresh Water Resources Lesson-30A Methods of Water Harvesting Lesson-31A Water Conservation at Different Levels |
| 8B. Energy and Environment |
Lesson-27B Importance of Energy on Society Lesson-28B Non-Renewable Resources of Energy |
Lesson-29B Renewable Sources of Energy-I Lesson-30B Renewable Sources of Energy-II Lesson-31B Energy Conservation |
Marks: 80 Duration: 3 Hours
| OBJECTIVES | Marks | % of the Total Marks |
|---|---|---|
| Knowledge | 22 | 27 |
| Understanding | 38 | 48 |
| Application & Skill | 20 | 20 |
| Total | 80 | 100 |
| Forms of Questions | No. of Questions | Marks | ||||
|---|---|---|---|---|---|---|
| Core | Optional | Total | Core | Optional | Total | |
| Objective Type (I) –1 (1 Marks MCQs) | 13 | 03 | 16 | 13 | 03 | 16 |
|
Objective Type (II) 1/2 1*2 = 2 marks (with two sub parts) ii. (VSA, One word, Fill in the blanks, T/F) |
01*2 + 04 | 03 | 08 | 21 | 03 | 24 |
| Short Answer (SA1) – 2 Marks | 08 | 03 | 11 | 16 | 06 | 22 |
| Long Answer (LA1) – 4 Marks | 02 | - | 02 | 08 | - | 08 |
| Long Answer (LA2) – 5 Marks | 02 | 02 | 02 | 10 | - | 10 |
| Total | 30 | 09 | 39 | 68 | 12 | 80 |
| Unit/Sub-Unit (Modules) | Marks |
|---|---|
| 1. Environment through Ages | 05 |
| 2. Ecological Concepts and Issues | 12 |
| 3. Human Impact on Environment | 07 |
| 4. Contemporary Environmental Issues | 15 |
| 5. Environmental Conservation | 14 |
| 6. Sustainable Development | 07 |
| 7. Environmental Management | 08 |
| 8A. Water Resource Management OR | 12 |
| 8B. Energy and Environment | 12 |
| Total | 80 |
| Level | Marks | % of marks given |
|---|---|---|
| Difficult | 20 | 25 |
| Average | 38 | 48 |
| Easy | 22 | 27 |
| Total | 80 | 100 |
• i.e. 5 in SA1 (3 in Core Module and 2 in Optional Module), 1 in LA1 and 1 in LA2 respectively.
Why Choose Environmental Science (333) in NIOS Class 12?
If you're looking for a scoring, relevant, and easy-to-understand subject EVS 333 is perfect.
- High-scoring with simple, logical concepts
- Practical component boosts overall percentage
- Real-life relevance pollution, energy, sustainability
- No complex formulas ideal for all streams
- Useful for UPSC, SSC, General Awareness
- Best for dropouts, improvement, or regular students
Become a responsible global citizen while scoring high!
How Unnati Education Helps You with Environmental Science (333)
We provide end-to-end support from admission to final viva.
Our EVS 333 Support Includes:
- Notes: Chapter-wise, in English & Hindi
- Solved TMAs: Ready-to-submit (typed/handwritten)
- Past 5 Years Papers: Fully solved
- Sample Paper 2025: Latest pattern
- Practical File: Observation, project, viva prep
- Live + Recorded Classes: Expert faculty
- WhatsApp Support: Daily updates & doubt-solving
Unnati Education: Trusted by NIOS Students Across India & Abroad
We support students from Delhi, Bihar, UP, Rajasthan, Maharashtra and globally in UAE, Nepal, Saudi Arabia.
Works for Stream 1, 2, 3, 4 regular, failed, or on-demand exams.
We also help in: Accountancy, Business Studies, Economics, Painting, Psychology, History, Sociology, English, Hindi.
Why Choose Unnati Education?
- 10+ years in NIOS & IGNOU
- 100% accurate TMAs & fast delivery
- PAN India delivery
- Instant WhatsApp support
- Custom help for repeaters & improvement
- Exam alerts & personal guidance
- Affordable & reliable
We don’t just help you study we help you win.
Final Thoughts: Prepare Smartly for NIOS Environmental Science
The NIOS EVS syllabus is more than marks it’s knowledge for life. With practical focus, real-world relevance, and structured learning, it’s one of the most student-friendly subjects.
With Unnati Education, you get complete support notes, TMAs, files, coaching to not just pass, but excel.
FAQs - NIOS Class 12 Psychology (328)
What is the passing criteria for Psychology (328)?
Overall 33% → minimum 26/80 in theory + 7/20 in TMA/practical. TMA submission is compulsory.
Is NIOS Class 12 Psychology syllabus difficult?
No! It’s one of the easiest & highest-scoring subjects. Simple language, interesting topics (memory, motivation, personality, stress, etc.) — most students easily score 70–95+ with proper guidance.
Where can I get the latest 2025 Psychology syllabus PDF?
Just WhatsApp us — we send the official updated syllabus PDF + chapter-wise notes + solved TMA instantly (Hindi & English).
Do you provide solved TMA & practical file for Psychology?
Yes, 100%! Ready-to-submit TMA (handwritten/typed) + complete practical file with experiments, observations & viva questions — guaranteed full marks.
Can I join online coaching for Psychology (328)?
Yes! Live Zoom classes + recorded lectures + daily practice sheets + personal doubt clearing on WhatsApp — study from home, office, or village.
Contact Unnati Educations - Your Academic Lifeline
If you're eager to begin your journey or need guidance in the NIOS admissions process, we're just a message away.
