ISC Class 12 Environmental Science Revised Syllabus PDF 2020-21

Introduction

The Indian School Certificate (ISC) Environmental Science syllabus for Class 12 has been revised for the academic year 2020-21 by the Council for the Indian School Certificate Examinations (CISCE). Environmental Science is an interdisciplinary subject that helps students understand crucial issues related to our environment and sustainable development. The revised syllabus aims to provide students with comprehensive knowledge about environmental concepts, problems, and solutions.

Overview of the Revised Syllabus

The ISC Class 12 Environmental Science syllabus has been updated to keep pace with contemporary environmental challenges and emerging perspectives in environmental studies. The revision takes into account the need to address current environmental issues while maintaining the foundational concepts that students need to develop a strong understanding of the subject. The revised syllabus places greater emphasis on practical learning through projects, fieldwork, and case studies.

Key Components of the Revised Syllabus

The ISC Class 12 Environmental Science revised syllabus is divided into several modules, each covering distinct aspects of Environmental Science:

Unit 1: Our Environment

• Concept of an ecosystem
• Structure and function of ecosystems
• Ecological succession and ecosystem services
• Food chains, food webs, and ecological pyramids
• Biogeochemical cycles
• Biodiversity concept, types, values, and conservation

Unit 2: Environmental Issues

• Air pollution causes, effects, and control
• Water pollution causes, effects, and control
• Soil pollution causes, effects, and control
• Solid waste management
• Radioactive waste management
• Disaster management

Unit 3: Sustainable Development

• Concept and principles of sustainable development
• Environmental impact assessment
• Population and environment
• Social issues and the environment
• Human rights and environment
• Natural resource management

Unit 4: Environmental Management

• Environmental legislation in India
• Environmental protection agencies
• Environmental movements and NGOs
• People's participation in environmental conservation
• Global environmental issues and international initiatives

Unit 5: Practical Work

• Fieldwork and observation techniques
• Environmental impact assessment study
• Case study analysis
• Survey and data collection
• Project work on local environmental issues

Syllabus Distribution and Weightage

Unit	Topic	Weightage
1	Our Environment	20%
2	Environmental Issues	25%
3	Sustainable Development	25%
4	Environmental Management	15%
5	Practical Work	15%

Evaluation Pattern

The ISC Class 12 Environmental Science examination consists of two parts:

Theory Paper

• Duration: 3 hours
• Total Marks: 70
• The paper is divided into two sections: Section A (40 marks) and Section B (30 marks)
• Section A consists of compulsory short answer questions
• Section B contains structured questions requiring detailed answers

Practical Assessment

• Total Marks: 30
• Based on project work, field study, and practical file
• Evaluated internally by the school and moderated by the CISCE

Importance of Environmental Science Education

Environmental Science education plays a crucial role in creating awareness about environmental problems and their solutions. It helps students:

• Develop a scientific understanding of environmental issues
• Appreciate the interdependence between humans and the environment
• Acquire knowledge about sustainable development practices
• Develop critical thinking and problem-solving skills
• Understand their role in environmental conservation
• Prepare for various career opportunities in environmental fields

Study Tips for Environmental Science

To excel in Environmental Science, students should:

• Stay updated with current environmental news and developments
• Apply theoretical knowledge to real-world situations
• Use diagrams and flowcharts to understand complex processes
• Participate in environmental activities in your community
• Work regularly on practical assignments and projects
• Connect concepts across different chapters for integrated understanding

Conclusion

The ISC Class 12 Environmental Science revised syllabus for 2020-21 provides students with a comprehensive framework to understand environmental concepts and issues. It emphasizes not just theoretical knowledge but also practical application through fieldwork and projects. The syllabus is designed to develop environmentally conscious citizens who can contribute to sustainable development in India.