Biology Notes New PTB Syllabus

📘 Chapter 1: Biodiversity and Classification

📘 Chapter 2: Bacteria and Viruses

📘 Chapter 3: Cells and Subcellular Organelles

📘 Chapter 4: Molecular Biology

📘 Chapter 5: Enzymes

📘 Chapter 6: Bioenergetics

📘 Chapter 7: Structural and Computational Biology

📘 Chapter 8: Plant Physiology

📘 Chapter 9: Human Digestive System

📘 Chapter 10: Human Respiratory System

📘 Chapter 11: Human Circulatory System

📘 Chapter 12: Human Skeletal and Muscular Systems