Bacteriology is the branch of science that deals with the study of bacteria. At present the bacteriology research has contributed directly or indirectly to the development of biotechnology. Concept of Practical Bacteriology has been written to make the students understand why and how each experiment is conducted. This question-answer-approach includes techniques and procedures that are widely used by researchers during the bacteriological experiments. It covers researches on bacterial identification, cultivation, growth, metabolisms, genetics, enzyme technology, nanobiotechnology and other basic areas. The salient features of this book are simple description of practical-problem-answers, adequate background information and easy understanding of the experimental procedure with prominent reasons. This book teaches how to learn the bacteriological research conceptually and develop strong thinking skills. Students and researchers working in the field of bacteriology will find this book beneficial.