AHE-01 Human Environment Block 1 - Environment Unit 1 - Introduction to Human Environment Unit 2 - Climate and Resources Unit 3 - Description of Ecosystem Unit 4 - Non-Living and Living Components of Environment Unit 5 - Social Environment and Population of Man Block 2 - Human Activities and Environment-I Unit 1 - Impact of Man on Environment Unit 2 - Effects of Overexploitation of Biological Resources Unit 3 - Effects of Agriculture on Human Environment Unit 4 - Effects of Urbanisation Block 3 - Human Activities and Environment-II Unit 1 - Atmospheric Pollution Unit 2 - Water Pollution Unit 3 - Land Degradation Unit 4 - Hazardous Waste Chemicals Block 4 - Effects of Changed Environment on Man Unit 1 - Environment and Human Health-I Unit 2 - The Environment and Human Health-ll Unit 3 - Social Implications of Developmental Projects Unit 4 - Economic Implications of Changed Environment Block 5 - Management of Environment-I Unit 1 - Challenges in Environmental Management Unit 2 - Development and Environment Unit 3 - Environmental Conservation-I Unit 4 - Environmental Conservation-II Block 6 - Management of Environment-II Unit 1 - Environmental Quality Management Unit 2 - Environmental Legislation Unit 3 - Social Awareness about Environment Unit 4 - Commonalities and Dissimilarities in Environmental Management Total-19, Solved-9, Unsolved-10 June (2012-2020) December (2011-2020)