Preface The book entitled “Objective Guide in Entomology” embodies a fairly comprehensive treatment of the objective type questions on Basic and Applied Agricultural Entomology. This book covers the entire field of entomology step by step in the form of questions and answers to be specifically useful for interviews viva-voce comprehensive preliminary examinations etc. This book consists of different objective type questions like multiple choice on the various topics like systematics, Taxonomy, Morphology, Embryology, Physiology, Ecology, Biological control Toxicology, Host plant resistance, Innovative approaches in pest control, Integrated pest management, pesticides application equipments, pests of various crops and their management, pests of stored product and their management arthropod vectors of plant diseases, apiculture, sericulture, Lac insect and other useful insects. This book will be of great help in recollecting vast knowledge within a short time to meet the requirement of students appearing in ASRB and other competitive examinations multiple choice objective type questions have also been farmed and appended at the end of the book. The book would have useful to students preparation for various competitive examinations conducted by Indian Council of Agricultural Research-JRF, Agricultural Scientific Recruitment Board-ARS/NET, National Academy of Agricultural Research Management-SRF, Indian Agricultural Research Institute-PG/Ph.D. Entrance, Union Public Service Commission, SAUs Entrance and Allied Agricultural Examinations and also useful to teachers to keep them abreast with recent developments in entomology and guide their students to a better future. It is our great pleasure to express our sincere thanks to New India Publishing Agency (NIPA), New Delhi who whole heartedly accepted our proposal to publish this book within a short time. Criticism and suggestions for the improvement of the book will be welcome.