An Introduction to Agricultural Microbiology is a multiple choice question book specially designed to improve the knowledge of students and to provide them a powerful knowledge and feedback in progress and future opportunities. Thus, primarily this book can serve as a self-assessment guide for the students their who are preparing for competitive examinations specially ASRB-ARS Pre, ICAR-NET, ICAR-SRF, ICAR-JRF etc. And secondly, meant for those who appearing for UG, PG study in agriculture colleges/agriculture institutes/agriculture universities etc. The questions of this book are compiled from standard textbooks on History of Microbiology, Microbial Taxonomy, Morphology and Cytology, Microbial Ecology, Microbial Physiology, Microbial Introduction to Genetics: A Molecular Approach, Microbial Biotechnology, Food Microbiology, Soil Microbiology, Environmental Microbiology, Microbiological Techniques with the syllabus of ASRB-ARS Pre, ICAR-NET, ICAR-SRF, ICAR-JRF, SAU's and other competitive examinations. The main objective of this book is to help students to enrich their powerful knowledge of microbiology because it is essential for the development of students in the area of agriculture sciences.