The Jammu and Kashmir Board of School Education (JKBOSE) has released the revised syllabus and course of studies for Class 12th Environmental Science (EVS) for the academic sessions 2025–26 (Kashmir Division & Winter Zone Jammu Division) and 2026–27 (Summer Zone Jammu Division). This updated syllabus is designed to provide students with a comprehensive understanding of environmental issues, sustainability, pollution control, and ecological balance.
In this article, you’ll find a complete breakdown of the JKBOSE Class 12 EVS syllabus, including theory units, practicals, marks distribution, and a direct PDF download link.
Overview of JKBOSE Class 12 EVS Syllabus
Environmental Science (EVS) is a multidisciplinary subject that integrates biology, chemistry, geography, and social sciences to address real-world environmental challenges. The syllabus focuses on awareness, analytical thinking, and practical application.
Key Highlights:
- Maximum Marks: 100
- Theory: 70 Marks
- Practical: 30 Marks
- Exam Duration: 3 Hours
The course is divided into two sections:
- Section A – Theory
- Section B – Practical
Section A: Theory (70 Marks)
The theory portion consists of 10 units, each carrying 7 marks. Below is a detailed explanation of each unit:
Unit 1: Air Pollution and Control
This unit introduces the concept of air pollution, its sources, and types. Students learn about:
- Major air pollutants and their effects
- Indoor air pollution
- Criteria pollutants
- Control measures for gaseous and particulate pollutants
Understanding this unit helps students recognize the impact of pollution on climate and human health.
Unit 2: Noise and Radiation Pollution
This section covers two critical environmental concerns:
- Noise Pollution: Sources, health impacts, and prevention
- Radiation Pollution: Causes, effects, and control measures
Students gain insights into how modern technology contributes to environmental hazards.
Unit 3: Water Pollution
Water pollution is a major global issue. Topics include:
- Surface and groundwater pollution
- Eutrophication and biomagnification
- Marine pollution
- Sewage treatment processes (primary, secondary, tertiary)
This unit is essential for understanding water conservation and management.
Unit 4: Soil and Its Degradation
This unit focuses on soil as a vital natural resource:
- Soil composition and profile
- Types of soils in India
- Soil pollution and erosion
- Desertification and its control
It highlights the importance of sustainable land use.
Unit 5: Solid and Hazardous Waste Management
Students learn about waste generation and disposal methods:
- Solid waste management techniques
- Composting, incineration, pyrolysis, and landfill methods
- E-waste management
- Hazardous waste classification and disposal
This unit is highly relevant in today’s era of increasing waste production.
Unit 6: Biodiversity Management
Biodiversity is crucial for ecological balance. Topics include:
- Levels and importance of biodiversity
- Threats to biodiversity
- IUCN categories of threatened species
- Conservation methods (in-situ and ex-situ)
Unit 7: Global Environmental Issues
This unit explores major global concerns:
- Climate change and global warming
- Ozone layer depletion
- Acid rain
- Smog formation and control
Students develop a global perspective on environmental challenges.
Unit 8: Regional and Local Environmental Issues
Focuses on environmental problems specific to regions:
- Industrial pollution (brick kilns, cement industries)
- Degradation of lakes, wetlands, and springs
- Tourism impacts
- Deforestation and its control
This unit is particularly relevant for students in Jammu & Kashmir.
Unit 9: Sustainable Development
This unit introduces sustainability concepts:
- Definition and history of sustainable development
- Sustainable Development Goals (SDGs)
- Components: society, economy, environment, culture
- Ecotourism and Environmental Impact Assessment (EIA)
Unit 10: Environmental Legislation & International Conventions
Students learn about environmental laws and global agreements:
- Water Act (1974)
- Air Act (1981)
- Environment Protection Act (1986)
- Disaster Management Act (2005)
- International conventions like Kyoto Protocol, Montreal Protocol, Ramsar Convention, and CITES
Section B: Practical (30 Marks)
The practical component helps students apply theoretical knowledge in real-world situations.
List of Practical Activities:
- Determination of pH of soil and water samples
- Soil texture analysis
- Study of aquatic plants
- Field visits to lakes, wetlands, rivers, or hydropower plants
- Data collection on local waste generation
- Documentation of endangered and endemic species
Evaluation Scheme:
- Internal Assessment: 10 Marks
- Project Work: 6 Marks
- Viva: 4 Marks
- External Assessment: 20 Marks
- Experiment: 12 Marks
- Practical Record: 4 Marks
- Viva: 2 Marks
- Attendance: 2 Marks
Importance of EVS in Class 12
Environmental Science is not just an academic subject—it plays a vital role in shaping responsible citizens. The syllabus equips students with:
- Awareness about environmental challenges
- Practical skills for sustainability
- Knowledge of environmental laws
- Understanding of climate change and conservation
This subject is also beneficial for students preparing for competitive exams and pursuing careers in environmental studies, forestry, and sustainability.
Preparation Tips for JKBOSE EVS Exam
To score well in EVS, students should:
- Focus on conceptual clarity rather than rote learning
- Practice diagrams (soil profile, sewage treatment, etc.)
- Revise case studies and real-life examples
- Prepare short notes for laws and conventions
- Complete practical records on time
Download JKBOSE Class 12 EVS Syllabus PDF
Students can access the official syllabus directly from the JKBOSE website using the link below:
👉 Download PDF: https://jkbose.jk.gov.in/pdf/Revised%20syllabus%20EVS12th.pdf
For detailed unit-wise content and official guidelines, refer to the original document .
The JKBOSE Class 12 EVS syllabus for 2025–26 and 2026–27 is comprehensive and aligned with modern environmental challenges. It not only prepares students for board exams but also instills awareness about sustainable living and environmental protection.
By thoroughly covering all units and actively engaging in practical work, students can excel in this subject and contribute meaningfully toward a greener future.
