ISC Class 12 Environmental Science Syllabus 2026-27 with Exam Pattern
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Environmental Science (Subject Code 877) carries a total of 100 marks, including 70 marks for the three-hour theory examination and 30 marks for practical and project work. Students can download the official syllabus PDF to check the prescribed topics, assessment requirements and project guidelines.
рдкрд░реНрдпрд╛рд╡рд░рдг рд╡рд┐рдЬреНрдЮрд╛рди рд╡рд┐рд╖рдп рдореЗрдВ рдХреБрд▓ 100 рдЕрдВрдХ рд╣реЛрддреЗ рд╣реИрдВ, рдЬрд┐рдирдореЗрдВ 70 рдЕрдВрдХ рдереНрдпреЛрд░реА рдкрд░реАрдХреНрд╖рд╛ рдХреЗ рд▓рд┐рдП рдФрд░ 30 рдЕрдВрдХ рдкреНрд░рд╛рдпреЛрдЧрд┐рдХ рддрдерд╛ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХрд╛рд░реНрдп рдХреЗ рд▓рд┐рдП рд╣реЛрддреЗ рд╣реИрдВред рдпрд╣ рдЬрд╛рдирдХрд╛рд░реА рдЫрд╛рддреНрд░ рдХреЛ рдкрд░реАрдХреНрд╖рд╛ рдХреА рддреИрдпрд╛рд░реА рдФрд░ рдЕрдВрдХ рд╡рд┐рддрд░рдг рд╕рдордЭрдиреЗ рдореЗрдВ рдорджрдж рдХрд░рддреА рд╣реИред
Direct Link to┬аISC Class 12 Environmental Science Syllabus 2026-27
Source
Vacancy/Update Name: ISC Class 12 Syllabus 2026-27 – Overview | Official Website: https://cisceboard.org/
ISC Class 12 Syllabus 2026-27 – Overview
| Board Name | Council for the Indian School Certificate Examinations (CISCE) |
| Examination | Indian School Certificate (ISC) |
| Class | 12th |
| Subject | Environmental Science |
| Subject Code | 877 |
| Academic Session | 2026-27 |
| Board Examination Year | 2027 |
| Syllabus Mode | Online PDF |
| Official Website | cisce.org |
рдпрд╣ рд╕рд╛рд░рд╛рдВрд╢ рдкрдврд╝рдиреЗ рд╕реЗ рдкрддрд╛ рдЪрд▓рддрд╛ рд╣реИ рдХрд┐ рдкрд░реНрдпрд╛рд╡рд░рдг рд╡рд┐рдЬреНрдЮрд╛рди рдХрд╛ рд╡рд┐рд╖рдп ISC рдХрдХреНрд╖рд╛ 12 рдХреЗ рд▓рд┐рдП рд╣реИ, рдЬрд┐рд╕рдХрд╛ рдкрд░реАрдХреНрд╖рд╛ рд╡рд░реНрд╖ 2027 рд╣реИ рдФрд░ рдЗрд╕рдХреА рдЖрдзрд┐рдХрд╛рд░рд┐рдХ рд╕рд┐рд▓реЗрдмрд╕ рдСрдирд▓рд╛рдЗрди PDF рдХреЗ рд░реВрдк рдореЗрдВ CISCE рдХреА рд╡реЗрдмрд╕рд╛рдЗрдЯ рдкрд░ рдЙрдкрд▓рдмреНрдз рд╣реИред
ISC Class 12 Environmental Science Syllabus 2026-27 PDF Download
CISCE has made the Environmental Science syllabus available for ISC Examination Year 2027. The official PDF contains the complete Class 12 theory syllabus, unit-wise subject content and practical/project work requirements.
Official Syllabus PDF: Download ISC Class 12 Environmental Science Syllabus 2026-27
рдЫрд╛рддреНрд░ рдЖрдзрд┐рдХрд╛рд░рд┐рдХ PDF рдбрд╛рдЙрдирд▓реЛрдб рдХрд░рдХреЗ рдкрд░реНрдпрд╛рд╡рд░рдг рд╡рд┐рдЬреНрдЮрд╛рди рдХреЗ рд╕рднреА рд╡рд┐рд╖рдпреЛрдВ рдФрд░ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХрд╛рд░реНрдп рдХреА рдкреВрд░реА рдЬрд╛рдирдХрд╛рд░реА рдкреНрд░рд╛рдкреНрдд рдХрд░ рд╕рдХрддреЗ рд╣реИрдВ, рдЬрд┐рд╕рд╕реЗ рдкрд░реАрдХреНрд╖рд╛ рдХреА рддреИрдпрд╛рд░реА рдореЗрдВ рдЖрд╕рд╛рдиреА рд╣реЛрддреА рд╣реИред
ISC Class 12 Environmental Science Exam Pattern 2026-27
The ISC Class 12 Environmental Science examination consists of two papers. Paper I is a written theory examination of three hours, carrying 70 marks. Paper II covers practical and project work, carrying 30 marks.
| Paper | Examination Component | Duration | Marks |
|---|---|---|---|
| Paper I | Theory | 3 Hours | 70 |
| Paper II | Practical/Project Work | As per project requirements | 30 |
| Total | Theory and Project | – | 100 |
CISCE does not prescribe a separate question paper for the practical/project component. Students must complete the prescribed project work under teacher supervision, and the work is evaluated by an approved visiting examiner.
рдкрд░реАрдХреНрд╖рд╛ рдореЗрдВ рдереНрдпреЛрд░реА рдФрд░ рдкреНрд░реИрдХреНрдЯрд┐рдХрд▓/рдкреНрд░реЛрдЬреЗрдХреНрдЯ рджреЛрдиреЛрдВ рд╢рд╛рдорд┐рд▓ рд╣реИрдВ, рдЬрд╣рд╛рдВ рдереНрдпреЛрд░реА рдкрд░реАрдХреНрд╖рд╛ 3 рдШрдВрдЯреЗ рдХреА рд╣реЛрддреА рд╣реИ рдФрд░ 70 рдЕрдВрдХ рдХреА рд╣реЛрддреА рд╣реИ, рдЬрдмрдХрд┐ рдкреНрд░реЛрдЬреЗрдХреНрдЯ 30 рдЕрдВрдХ рдХрд╛ рд╣реЛрддрд╛ рд╣реИред рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХреЗ рд▓рд┐рдП рдЕрд▓рдЧ рдкреНрд░рд╢реНрдирдкрддреНрд░ рдирд╣реАрдВ рд╣реЛрддрд╛, рдмрд▓реНрдХрд┐ рд╢рд┐рдХреНрд╖рдХ рдХреЗ рдорд╛рд░реНрдЧрджрд░реНрд╢рди рдореЗрдВ рдХрд╛рдо рдкреВрд░рд╛ рдХрд░рдирд╛ рдЖрд╡рд╢реНрдпрдХ рд╣реИред
ISC Class 12 Environmental Science Unit-Wise Syllabus 2026-27
The Environmental Science syllabus is organised into three sections containing seven units. Students must prepare the prescribed topics in all three sections for the theory examination.
| Section | Unit | Unit Name |
|---|---|---|
| A | 1 | Human Beings and Nature |
| A | 2 | Population and Conservation Ecology |
| A | 3 | Monitoring Pollution |
| B | 4 | Third World Development |
| B | 5 | Sustainable Agriculture |
| C | 6 | Environmental and Natural Resource Economics |
| C | 7 | International Relations and the Environment |
рд╕рд┐рд▓реЗрдмрд╕ рдореЗрдВ рддреАрди рднрд╛рдЧреЛрдВ рдореЗрдВ рдХреБрд▓ рд╕рд╛рдд рдпреВрдирд┐рдЯ рд╣реИрдВ, рдЬреЛ рдорд╛рдирд╡ рдФрд░ рдкреНрд░рдХреГрддрд┐, рдЬрдирд╕рдВрдЦреНрдпрд╛ рд╕рдВрд░рдХреНрд╖рдг, рдкреНрд░рджреВрд╖рдг рдирд┐рдЧрд░рд╛рдиреА, рд╡рд┐рдХрд╛рд╕, рдХреГрд╖рд┐, рдЖрд░реНрдерд┐рдХ рдФрд░ рдЕрдВрддрд░рд░рд╛рд╖реНрдЯреНрд░реАрдп рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рд╡рд┐рд╖рдпреЛрдВ рдХреЛ рдХрд╡рд░ рдХрд░рддреА рд╣реИрдВред рд╕рднреА рдпреВрдирд┐рдЯреЛрдВ рдХреА рддреИрдпрд╛рд░реА рдкрд░реАрдХреНрд╖рд╛ рдХреЗ рд▓рд┐рдП рдЬрд░реВрд░реА рд╣реИред
Section A: Environmental Science Syllabus
Unit 1: Human Beings and Nature
This unit examines the relationship between human societies and the natural environment. It introduces major environmental philosophies and explains how different schools of thought influence the conservation and use of natural resources.
Important topics:
- Modern schools of ecological thought
- Deep Ecology and Shallow Ecology
- Stewardship of Land and the ideas of Wendell Berry
- Social Ecology, Marxist Environmentalism and Socialist Ecology
- Environmental ideas of Gary Snyder and Barry Commoner
- Feminism and Ecofeminism
- Green Politics and environmental movements
- Sustainable Development
- Environmental organisations, including Earth First, WWF and Greenpeace
рдпрд╣ рдпреВрдирд┐рдЯ рдорд╛рдирд╡ рдФрд░ рдкреНрд░рдХреГрддрд┐ рдХреЗ рдмреАрдЪ рд╕рдВрдмрдВрдзреЛрдВ рдФрд░ рд╡рд┐рднрд┐рдиреНрди рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рд╡рд┐рдЪрд╛рд░рдзрд╛рд░рд╛рдУрдВ рдХреЛ рд╕рдордЭрдиреЗ рдореЗрдВ рдорджрдж рдХрд░рддреА рд╣реИ, рдЬрд┐рд╕рд╕реЗ рд╕рдВрд╕рд╛рдзрдиреЛрдВ рдХреЗ рд╕рдВрд░рдХреНрд╖рдг рдФрд░ рд╕рддрдд рд╡рд┐рдХрд╛рд╕ рдкрд░ рдзреНрдпрд╛рди рджрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред
Unit 2: Population and Conservation Ecology
This unit deals with population growth, ecological regulation and the conservation of biodiversity. Students study population dynamics, human population problems, ecosystem threats and different methods of protecting forests and wildlife.
Important topics:
- Population dynamics, birth and death rates, immigration and emigration
- Population age structure and population pyramids
- Survivorship curves and r-selection and K-selection strategies
- Malthusian Theory of Population
- Demographic Transition Model and carrying capacity
- Exponential and logistic population growth curves
- Factors regulating population size
- Human population control and women’s empowerment
- Habitat destruction, genetic erosion and biodiversity loss
- Forest conservation and Joint Forest Management
- National parks, wildlife sanctuaries and biosphere reserves
- In-situ and ex-situ conservation
- Project Tiger as a conservation case study
рдпрд╣ рднрд╛рдЧ рдЬрдирд╕рдВрдЦреНрдпрд╛ рд╡реГрджреНрдзрд┐, рд╕рдВрд░рдХреНрд╖рдг ecology рдФрд░ рдЬреИрд╡ рд╡рд┐рд╡рд┐рдзрддрд╛ рдХреА рд╕реБрд░рдХреНрд╖рд╛ рд╕реЗ рдЬреБрдбрд╝реА рд╡рд┐рд╖рдпреЛрдВ рдХреЛ рд╕рдордЭрд╛рддрд╛ рд╣реИ, рдЬреЛ рдкрд░реНрдпрд╛рд╡рд░рдг рд╕рдВрддреБрд▓рди рдмрдирд╛рдП рд░рдЦрдиреЗ рдХреЗ рд▓рд┐рдП рдЬрд░реВрд░реА рд╣реИрдВред
Unit 3: Monitoring Pollution
The Monitoring Pollution unit explains how environmental pollution is measured and assessed. Students learn basic monitoring techniques, air quality standards, water testing parameters and soil quality indicators.
Important topics:
- Primary and secondary pollutants
- Air pollution monitoring and emission control
- Carbon credits and carbon trading
- Air monitoring stations and sampling requirements
- Manual monitoring techniques, including passive samplers and High Volume Samplers
- Instrumental monitoring using NDIR and Chemiluminescence
- National and international air quality standards
- Central Pollution Control Board and State Pollution Control Boards
- Water quality testing, including pH, turbidity, dissolved oxygen, hardness and nitrates
- Biochemical Oxygen Demand and Chemical Oxygen Demand
- Biological, physical and chemical soil indicators
- Soil respiration, soil aggregates and infiltration rate
рдкреНрд░рджреВрд╖рдг рдХреА рдирд┐рдЧрд░рд╛рдиреА рдХреЗ рдЗрд╕ рднрд╛рдЧ рдореЗрдВ рдкреНрд░рджреВрд╖рдг рдХреЗ рдкреНрд░рдХрд╛рд░, рдорд╛рдкрди рддрдХрдиреАрдХ, рдФрд░ рдЧреБрдгрд╡рддреНрддрд╛ рдорд╛рдирдХреЛрдВ рдХреЛ рд╕рдордЭрд╛ рдЬрд╛рддрд╛ рд╣реИ, рдЬрд┐рд╕рд╕реЗ рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рд╕рдорд╕реНрдпрд╛рдУрдВ рдХрд╛ рд╕рд╣реА рдЖрдХрд▓рди рд╣реЛ рд╕рдХреЗред
Section B: Environmental Science Syllabus
Unit 4: Third World Development
This unit examines the relationship between economic development, urbanisation, migration and environmental sustainability. It also discusses alternative development approaches and environmental planning in cities.
Important topics:
- Urban-rural divide and migration
- Push and pull factors influencing migration
- Environmental consequences of conventional development
- Unequal distribution and excessive consumption of natural resources
- Gandhian approach to development
- Village self-reliance, Antyodaya, Sarvodaya and Panchayati Raj
- Cottage industries and intermediate technology
- Urban sanitation, water supply, transportation and energy problems
- Rainwater harvesting, composting and waste management
- Decentralised Wastewater Management Systems
- New Urbanism and Smart Growth
- International examples of urban environmental planning and management
рдпрд╣ рдпреВрдирд┐рдЯ рд╡рд┐рдХрд╛рд╕, рд╢рд╣рд░реАрдХрд░рдг рдФрд░ рдкреНрд░рд╡рд╛рд╕рди рдХреЗ рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рдкреНрд░рднрд╛рд╡реЛрдВ рдХреЛ рд╕рдордЭрд╛рддреА рд╣реИ, рд╕рд╛рде рд╣реА рд╡реИрдХрд▓реНрдкрд┐рдХ рд╡рд┐рдХрд╛рд╕ рдФрд░ рд╢рд╣рд░реЛрдВ рдХреА рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рдпреЛрдЬрдирд╛ рдкрд░ рднреА рдзреНрдпрд╛рди рджреЗрддреА рд╣реИред
Unit 5: Sustainable Agriculture
The Sustainable Agriculture unit explains traditional and modern agricultural practices and their environmental consequences. Students study irrigation, the Green Revolution, soil conservation, food processing and long-term food security.
Important topics:
- Traditional agriculture and farming systems in India
- Natural farming, organic farming and modern agriculture
- Traditional and modern irrigation methods
- Canal irrigation, dams, sprinkler irrigation and drip irrigation
- Traditional rainwater harvesting systems
- Agriculture before, during and after British rule
- Green Revolution and its social and environmental effects
- High-Yielding Varieties, chemical fertilisers and pesticides
- Land reforms
- Mixed farming, mixed cropping and intercropping
- Crop rotation, green manure and biofertilisers
- Integrated Pest Management and biopesticides
- Food processing, preservation, packaging and storage
- Food adulteration, food additives and quality marks
- Food security, sustainable food systems and equitable access to food
рд╕рддрдд рдХреГрд╖рд┐ рдореЗрдВ рдкрд╛рд░рдВрдкрд░рд┐рдХ рдФрд░ рдЖрдзреБрдирд┐рдХ рдЦреЗрддреА рдХреЗ рддрд░реАрдХреЗ, рд╕рд┐рдВрдЪрд╛рдИ, рд╣рд░рд┐рдд рдХреНрд░рд╛рдВрддрд┐ рдФрд░ рдЦрд╛рджреНрдп рд╕реБрд░рдХреНрд╖рд╛ рдЬреИрд╕реЗ рд╡рд┐рд╖рдп рд╢рд╛рдорд┐рд▓ рд╣реИрдВ, рдЬреЛ рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рдкреНрд░рднрд╛рд╡реЛрдВ рдХреЛ рд╕рдордЭрдиреЗ рдореЗрдВ рдорджрдж рдХрд░рддреЗ рд╣реИрдВред
Section C: Environmental Science Syllabus
Unit 6: Environmental and Natural Resource Economics
This unit introduces the economic value of natural resources and environmental services. It examines resource scarcity, economic welfare, externalities and the role of natural capital in sustainable development.
Important topics:
- Natural resources, scarcity and economic growth
- Classification of natural resources
- Renewable and non-renewable resources
- Natural resource accounting
- Gross Domestic Product and Gross National Product
- Advantages and limitations of economic growth indicators
- Environmental economics and net economic welfare
- Natural capital and ecological capital
- Positive and negative externalities
- Cost-benefit analysis
- Extended Producer Responsibility
- Natural capital regeneration and ecosystem services
- Environmental degradation and ecological footprint
рдпрд╣ рдпреВрдирд┐рдЯ рдкреНрд░рд╛рдХреГрддрд┐рдХ рд╕рдВрд╕рд╛рдзрдиреЛрдВ рдХреЗ рдЖрд░реНрдерд┐рдХ рдорд╣рддреНрд╡, рдЙрдирдХреА рдХрдореА, рдФрд░ рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рд╕реЗрд╡рд╛ рдХреЗ рдореВрд▓реНрдп рдХреЛ рд╕рдордЭрд╛рддреА рд╣реИ, рдЬреЛ рд╕рддрдд рд╡рд┐рдХрд╛рд╕ рдХреЗ рд▓рд┐рдП рдЬрд░реВрд░реА рд╣реИред
Unit 7: International Relations and the Environment
This unit focuses on environmental issues that involve multiple countries. Students examine international environmental challenges, trade policies, intellectual property rights and the role of international cooperation in conservation.
Important topics:
- International environmental issues and transboundary pollution
- Amazon rainforest deforestation
- International wildlife trade and the ivory trade
- Ozone layer depletion and the ozone hole
- Chapman’s cycle and ozone-depleting substances
- National sovereignty and international environmental politics
- International trade and environmental protection
- Free trade, protectionism and import barriers
- Trade between developed and developing countries
- World Trade Organization and General Agreement on Tariffs and Trade
- Trade-Related Aspects of Intellectual Property Rights
- Trade-Related Investment Measures
- Agreement on Agriculture
- Patents, copyrights, trademarks and geographical indications
- International aid, tied aid and untied aid
- Self-reliance and environmental sustainability
рдпрд╣ рднрд╛рдЧ рдЕрдВрддрд░рд░рд╛рд╖реНрдЯреНрд░реАрдп рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рдореБрджреНрджреЛрдВ, рд╡реНрдпрд╛рдкрд╛рд░ рдиреАрддрд┐рдпреЛрдВ рдФрд░ рд╕рд╣рдпреЛрдЧ рдХреА рднреВрдорд┐рдХрд╛ рдХреЛ рд╕рдордЭрд╛рддрд╛ рд╣реИ, рдЬреЛ рд╡реИрд╢реНрд╡рд┐рдХ рд╕реНрддрд░ рдкрд░ рдкрд░реНрдпрд╛рд╡рд░рдг рд╕рдВрд░рдХреНрд╖рдг рдХреЗ рд▓рд┐рдП рдЖрд╡рд╢реНрдпрдХ рд╣реИрдВред
ISC Class 12 Environmental Science Practical and Project Work 2026-27
The practical and project component carries 30 marks. CISCE permits students to complete one project from the prescribed categories under the supervision of their teacher. The project must demonstrate environmental understanding, research skills and appropriate methods of data collection or analysis.
| Project Option | Requirements |
|---|---|
| Study of a Current Environmental Problem | Investigate an environmental issue using available information and primary data, and propose possible solutions. |
| Environmental Impact Assessment | Design and carry out an environmental impact assessment, including relevant data collection and analysis. |
| Monitoring a Local Environmental Issue | Monitor a selected environmental issue for at least six months using scientific methods and numerical data. |
| Fieldwork or Training | Complete at least one month of fieldwork or training with a relevant environmental organisation and prepare a report. |
| Plant Population Study | Study plant population and density in a selected area using the quadrat method. |
рдкреНрд░рд╛рдпреЛрдЧрд┐рдХ рдФрд░ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХрд╛рд░реНрдп рдореЗрдВ рдЫрд╛рддреНрд░ рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рд╕рдорд╕реНрдпрд╛рдУрдВ, рдкреНрд░рднрд╛рд╡ рдЖрдХрд▓рди, рдирд┐рдЧрд░рд╛рдиреА, рдлреАрд▓реНрдбрд╡рд░реНрдХ рдпрд╛ рдкреМрдзреЛрдВ рдХреА рдЬрдирд╕рдВрдЦреНрдпрд╛ рдЕрдзреНрдпрдпрди рдЬреИрд╕реЗ рд╡рд┐рдХрд▓реНрдкреЛрдВ рдореЗрдВ рд╕реЗ рдПрдХ рдЪреБрди рд╕рдХрддреЗ рд╣реИрдВ, рдЬреЛ рдкрд░реНрдпрд╛рд╡рд░рдг рдХреА рдЧрд╣рд░реА рд╕рдордЭ рдФрд░ рдЕрдиреБрд╕рдВрдзрд╛рди рдХреМрд╢рд▓ рджрд┐рдЦрд╛рддрд╛ рд╣реИред
ISC Environmental Science Project Evaluation 2026-27
The 30-mark practical/project component is evaluated through the prescribed project work. Students complete their projects under their teacher’s guidance, and a visiting examiner appointed locally with CISCE approval evaluates the work.
CISCE will not set a separate question paper for practical work. Students should follow the project requirements provided in the official syllabus and their school’s instructions.
рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХрд╛рд░реНрдп рдХрд╛ рдореВрд▓реНрдпрд╛рдВрдХрди рд╢рд┐рдХреНрд╖рдХ рдХреЗ рдорд╛рд░реНрдЧрджрд░реНрд╢рди рдореЗрдВ рдкреВрд░рд╛ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИ рдФрд░ CISCE рджреНрд╡рд╛рд░рд╛ рдЕрдиреБрдореЛрджрд┐рдд рдкрд░реАрдХреНрд╖рдХ рджреНрд╡рд╛рд░рд╛ рдХрд┐рдпрд╛ рдЬрд╛рддрд╛ рд╣реИред рдЗрд╕рдХреЗ рд▓рд┐рдП рдЕрд▓рдЧ рдкреНрд░рд╢реНрдирдкрддреНрд░ рдирд╣реАрдВ рд╣реЛрддрд╛ред
How to Download ISC Class 12 Environmental Science Syllabus 2026-27 PDF?
Students can download the official ISC Environmental Science syllabus for Examination Year 2027 by following these steps:
- Visit the official CISCE website at cisce.org.
- Open the syllabus section for ISC examinations.
- Select the regulations and syllabuses for Examination Year 2027.
- Find Environmental Science (Subject Code 877).
- Open the official Environmental Science syllabus PDF.
- Read the Class XII syllabus and download the PDF for future reference.
рдЫрд╛рддреНрд░ CISCE рдХреА рд╡реЗрдмрд╕рд╛рдЗрдЯ рдкрд░ рдЬрд╛рдХрд░ ISC рдХрдХреНрд╖рд╛ 12 рдкрд░реНрдпрд╛рд╡рд░рдг рд╡рд┐рдЬреНрдЮрд╛рди рд╕рд┐рд▓реЗрдмрд╕ рдХреЛ рдЖрд╕рд╛рдиреА рд╕реЗ рдбрд╛рдЙрдирд▓реЛрдб рдХрд░ рд╕рдХрддреЗ рд╣реИрдВ, рдЬрд┐рд╕рд╕реЗ рд╡реЗ рдкрд░реАрдХреНрд╖рд╛ рдХреА рддреИрдпрд╛рд░реА рдмреЗрд╣рддрд░ рддрд░реАрдХреЗ рд╕реЗ рдХрд░ рд╕рдХреЗрдВред
How to Prepare for ISC Class 12 Environmental Science Exam 2027?
Students should prepare for the examination by reviewing the official syllabus and organising their study schedule around all seven units. The subject includes conceptual topics, ecological processes, environmental case studies and practical applications.
- Read the prescribed theory topics from all three sections.
- Prepare concise notes on ecological theories, population growth and conservation methods.
- Practise interpreting population growth curves and environmental indicators.
- Review the important environmental case studies mentioned in the syllabus.
- Understand the applications of environmental economics, international trade and sustainability.
- Select a project topic early, particularly if it requires long-term monitoring or fieldwork.┬а
- Revise regularly and practise writing clear, structured answers.
рдкрд░реАрдХреНрд╖рд╛ рдХреА рддреИрдпрд╛рд░реА рдХреЗ рд▓рд┐рдП рд╕рднреА рд╕рд╛рдд рдпреВрдирд┐рдЯреЛрдВ рдХреЛ рдзреНрдпрд╛рди рд╕реЗ рдкрдврд╝рдирд╛, рдорд╣рддреНрд╡рдкреВрд░реНрдг рд╕рд┐рджреНрдзрд╛рдВрддреЛрдВ рдФрд░ рдХреЗрд╕ рд╕реНрдЯрдбреАрдЬрд╝ рдХреЛ рд╕рдордЭрдирд╛, рд╕рдордп рдкрд░ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдЪреБрдирдирд╛ рдФрд░ рдирд┐рдпрдорд┐рдд рд░реВрдк рд╕реЗ рд╕рдВрд╢реЛрдзрди рдХрд░рдирд╛ рдЬрд░реВрд░реА рд╣реИред
ISC Class 12 Syllabus 2026-27 – Important Links
ISC Class 12 Environmental Science Syllabus 2026-27 – FAQs
Q1. Is the ISC Class 12 Environmental Science Syllabus 2026-27 available?
Yes. CISCE has published the ISC Class 12 Environmental Science syllabus for Examination Year 2027. Students can download the official PDF from the board’s website to check the theory topics and practical/project requirements.
Q2. How many units are included in the ISC Class 12 Environmental Science syllabus?
The ISC Class 12 Environmental Science syllabus for 2026-27 includes seven units divided into three sections. The units cover ecology, population conservation, pollution monitoring, development, sustainable agriculture, environmental economics and international environmental relations.
Q3. What is the ISC Class 12 Environmental Science exam pattern for 2027?
The subject has two papers. Paper I is a three-hour theory examination carrying 70 marks, while Paper II consists of practical and project work carrying 30 marks. The total is 100 marks.
Q4. What is the subject code for ISC Class 12 Environmental Science?
The CISCE subject code for ISC Environmental Science is 877. This code is mentioned in the official syllabus for ISC Examination Year 2027.
Q5. How many marks are allotted to Environmental Science project work?
The ISC Class 12 Environmental Science practical and project component carries 30 marks. Students must complete the prescribed project under teacher guidance, and the work is evaluated by a CISCE-approved visiting examiner.
FAQs рд╕реЗ рд╕реНрдкрд╖реНрдЯ рд╣реЛрддрд╛ рд╣реИ рдХрд┐ рд╕рд┐рд▓реЗрдмрд╕ рдЙрдкрд▓рдмреНрдз рд╣реИ, рдЗрд╕рдореЗрдВ рд╕рд╛рдд рдпреВрдирд┐рдЯ рд╣реИрдВ, рдкрд░реАрдХреНрд╖рд╛ рдореЗрдВ рдереНрдпреЛрд░реА рдФрд░ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рджреЛрдиреЛрдВ рд╢рд╛рдорд┐рд▓ рд╣реИрдВ, рд╡рд┐рд╖рдп рдХреЛрдб 877 рд╣реИ, рдФрд░ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХрд╛рд░реНрдп рдХреЗ рд▓рд┐рдП 30 рдЕрдВрдХ рдирд┐рд░реНрдзрд╛рд░рд┐рдд рд╣реИрдВред
рдкрд░реНрдпрд╛рд╡рд░рдг рд╡рд┐рдЬреНрдЮрд╛рди рдореЗрдВ ISC рдХрдХреНрд╖рд╛ 12 рдХреА рддреИрдпрд╛рд░реА рдХреЗ рд▓рд┐рдП рдорд╣рддреНрд╡рдкреВрд░реНрдг рд╕реБрдЭрд╛рд╡
рдЗрд╕ рд╡рд┐рд╖рдп рдореЗрдВ рд╕рдлрд▓рддрд╛ рдХреЗ рд▓рд┐рдП рд╕рднреА рдпреВрдирд┐рдЯреЛрдВ рдХреА рдЧрд╣рди рд╕рдордЭ рдЬрд░реВрд░реА рд╣реИ, рдЦрд╛рд╕рдХрд░ рдкрд░реНрдпрд╛рд╡рд░рдгреАрдп рд╕рд┐рджреНрдзрд╛рдВрдд, рдЬрдирд╕рдВрдЦреНрдпрд╛ рд╡реГрджреНрдзрд┐, рдкреНрд░рджреВрд╖рдг рдХреЗ рдорд╛рдкрди рдФрд░ рд╕рдВрд░рдХреНрд╖рдг рдХреЗ рддрд░реАрдХреЗред рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдХрд╛рд░реНрдп рдХреЛ рд╕рдордп рд░рд╣рддреЗ рд╢реБрд░реВ рдХрд░рдирд╛ рдЪрд╛рд╣рд┐рдП, рдХреНрдпреЛрдВрдХрд┐ рдХреБрдЫ рдкреНрд░реЛрдЬреЗрдХреНрдЯ рдореЗрдВ рд▓рдВрдмреА рдЕрд╡рдзрд┐ рдХреА рдирд┐рдЧрд░рд╛рдиреА рдпрд╛ рдлреАрд▓реНрдбрд╡рд░реНрдХ рд╢рд╛рдорд┐рд▓ рд╣реЛрддрд╛ рд╣реИред рдирд┐рдпрдорд┐рдд рдиреЛрдЯреНрд╕ рдмрдирд╛рдирд╛ рдФрд░ рдХреЗрд╕ рд╕реНрдЯрдбреАрдЬрд╝ рдкрд░ рдзреНрдпрд╛рди рджреЗрдирд╛ рднреА рдкрд░реАрдХреНрд╖рд╛ рдореЗрдВ рдорджрджрдЧрд╛рд░ рд░рд╣реЗрдЧрд╛ред
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