AP 10th Class Biology Study Material Chapter 1 Nutrition – Food Supplying System Chapter 2 Respiration – The Energy Releasing System Chapter 3 Transportation – The Circulatory System Chapter 4 Excretion – The Wastage Disposing System Chapter 5 Coordination – The Linking System Chapter 6 Reproduction – The Generating System Chapter 7 Coordination in Life Processes Chapter 8 Heredity Chapter 9 Our Environment Chapter 10 Natural Resources AP 10th Class Biology Important Questions AP 10th Class Biology Bits with Answers AP State Board 10th Class Biology Notes