Topics covered in the environmental ecology section of the BPSC exam syllabus:

1. Introduction to Environmental Ecology:
- Definition and scope of environmental ecology
- Importance and relevance of environmental ecology in the present scenario
- Basic concepts and principles of environmental ecology

2. Ecosystems and Biodiversity:
- Definition and types of ecosystems
- Structure and components of an ecosystem
- Energy flow and nutrient cycling in ecosystems
- Biotic and abiotic factors influencing ecosystems
- Ecological succession and stability of ecosystems
- Introduction to biodiversity and its significance
- Threats to biodiversity and conservation measures

3. Ecological Interactions:
- Types of ecological interactions (predation, competition, mutualism, etc.)
- Food chains, food webs, and ecological pyramids
- Trophic levels and energy transfer in ecosystems
- Ecological niche and its importance
- Population dynamics and population growth models

4. Environmental Pollution:
- Types and sources of environmental pollution (air, water, soil, noise, etc.)
- Causes and consequences of pollution
- Impacts of pollution on human health and ecosystems
- Measures and strategies to control pollution
- Environmental laws and policies related to pollution control

5. Climate Change and Global Warming:
- Causes and effects of climate change
- Greenhouse effect and global warming
- Impacts of climate change on ecosystems and human society
- Mitigation and adaptation strategies for climate change
- International agreements and initiatives on climate change

6. Environmental Conservation and Sustainable Development:
- Principles and concepts of environmental conservation
- Conservation of natural resources (water, forests, wildlife, etc.)
- Sustainable development and its goals
- Role of individuals, communities, and governments in sustainable development
- Environmental impact assessment and environmental management

7. Environmental Ethics and Education:
- Ethical considerations in environmental decision-making
- Environmental values and responsibilities
- Role of environmental education in creating awareness and promoting sustainable practices
- Environmental awareness campaigns and initiatives

8. Current Environmental Issues:
- Major environmental issues at the global, national, and regional levels
- Case studies of environmental challenges and their solutions
- Environmental challenges specific to Bihar and their management

Understanding the topics covered in the environmental ecology section of the BPSC exam syllabus is crucial for candidates preparing for the examination. It is important to study and comprehend each topic in detail to ensure a comprehensive understanding of environmental ecology and its various aspects.