WBBSE Class 9 Life Science Long Answer Questions July 3, 2024 by Sainavle Chapter 2 Levels Of Organization Of Life Plant Tissue And Its Distribution Chapter 2 Organic And Inorganic Molecules Chapter 3 Physiological Processes Of Life Circulation Chapter 3 Physiological Processes Of Life Excretion Chapter 3 Physiological Processes Of Life Nutrition Chapter 3 Physiological Processes Of Life Photosynthesis Chapter 3 Physiological Processes Of Life Respiration Chapter 4 Immunity And Human Diseases Chapter 4 Microbes In Human Welfare Chapter 5 Ecology And Ecological Organization Chapter 5 Natural Resources And Its Sustainable Use