A special attempt has been made to make this book useful for the students of pharmacy and biology. The book introduces the readers to the latest aspects of pharmaceutical biology citing latest literature. It has been prepared according to the unified syllabus, prescribed for the courses of pharmacy with uptodate comprehensive account on all the topics. It covers the theoretical, as well as, practical aspects of the subject. It covers cell structure, plant taxonomy, bacteria, yeast, photosynthesis, plant nutrition and plant morphology in detail with recent information on the subject. An emphasis has also been made on human parasites including their pathology. A glossary of scientific terms and botanical names of useful common plant is an additional advantage being offered to the users. The practical included in this book deal with the basics about laboratory, herbarium etc. that will provide an easy working to the students.