• Introduction • History of Microbiology • Introduction to Microscope • Groups of Microorganisms • Bacteria • Fungi • Algae • Protozoa • Virus • Microbial Metabolism • Control of Microorganisms • Microbial Genetics-Basic Concepts • Industrial Microbiology • Immunology: Host Defence Mechanism • Genetic Engineering and Biotechnology • Environmental Microbiology • Role of Microbes in Soil Fertility and Productivity • Microbial Transformations of Nitrogen, Phosphorus and sulphur • Biological Nitrogen Fixation • Biofertilizers, Biopesticides, Biofuel Production and Biodegradation of Agro-Waste • Microbial Degradation of Organic Matter in Soil • Vermi-Compositing • Objective Type Questions with Answers • Practicals • Glossary • Index.