?Indira?s Objective Agricultural Biotechnology? for competitive exams in agricultural biotechnology discipline contains 23 chapters covering all related disciplines. These chapters include : Introduction, Cell Biology, Genetics and Cytogenetics, Plant Physiology and Molecular Biology, Plant Biochemistry, Agricultural Microbiology, Ecology, Diversity of life and ecological principles, Environmental Biotechnology, Natural and Forest Conservation, Genomics and Recombinant DNA technology, Transgenics, Molecular markers, Plant Tissue Culture, Bioinformatics, Seed Biotechnology, Plant Protection Biotechnology, Industrial Biotechnology, Food and Beverage Biotechnology, Intellectual Property Rights, Patenting and Biosafety, Animal Biotechnology. Model test papers and previous years solved papers have been given due importance at the end of the book present a general guidance of examination pattern. Each chapters contains multiple choice questions covering every aspects and total about 12000 objective questions with multiple choices have been framed and arranged sequentially. Recent technological development in the field of agriculture also been incorporated in the text. This book is primarily intended to serve as a ready reference for those appearing in competitive examinations of undergraduate, post graduate, M. Phil and doctorate programmes in Biotechnology of various Universities. We believe that this book will also be useful for teachers, researchers and development officers for references and easy answering of many complicated questions. Every possible effort has been made to accommodate previous year?s questions of various competitive examinations, on memory basis. The chapters are chosen in view to cover the course contents of competitive examinations like IAS, IFS, ARS, PCS, Banking, SLETs, UGC-NET and others.