This book titled, "Plant Science" provides readers with an introduction to plants and plant science. Attempts have been made to focus on evolutionary history of plants and plant science. The book focuses on dendrology, horticulture, plant pathology and disease resistance. The processes of photosynthesis, germination, biological pigmentation and immune system are also given with focus on plant ecology, plant perception and rapid plant movement. This book contains following chapters: Introduction to Plants and Plant Science; Evolutionary History of Plants and Plant Science; Focus on Dendrology, Horticulture, Plant Pathology and Disease Resistance; Focus on Photosynthesis, Germination, Biological Pigment and Immune System; Focus on Plant Ecology, Plant Perception and Rapid Plant Movement and Bibliography etc.