OLD NCERT 12th Class Biology Unit-IX Environment And Ecology Chapter English Medium
Total Pages- 184
Unit-9 Ecology and Environment
Chapter-16 Organisms and the Environment
Chapter-17 Population, Biotic Community and Succession
Chapter-18 Ecosystem : Structure and Function
Chapter-19 Natural Resources and Their Conservation
Chapter-20 Biodiversity
Chapter-21 Population and Global Environment Change
Unit-10 Biology in human Welfare
Chapter-22-Human Population and Health
Chapter-23-Genetic Improvement and Disease Control
Chapter-24-Plant Tissue Culture and Biotechnology
Chapter-25-Immune System and Human Health
Chapter-26-Biomedical Technologies
