“The Biology” is the 1st chapter in the new course of Biology for intermediate premedical students. In this chapter the students will learn the Review of definition of Biology and its branches, Molecular Biology, Microbiology, Environmental Biology, Marine Biology, Fresh water Biology, Parasitology, Human Biology, Social Biology, Biotechnology, Sub atomic particles, atoms, molecules, macromolecules, organelles, cells, tissues, organs, systems, individual whole organism, population, Phyletic, lineages, communities, living world in space and time. Deductive/inductive reasoning, developing a hypothesis, theory and law. A few examples of historical and recent current endeavours: Immunization, Antibiotics, Radiotherapy, Chemotherapy, Hydroponics, Cloning, Protection and conservation of environment. Concept of Biological Control & Integrated Disease management.