Pharmacology and Toxicology is a subject that imposes a great responsibility on the veterinary and medical practitioner in their day to day clinical practice. Conceptualizing the concepts and making them at ease to the budding vets is the need of the hour.The central dogma of revisiting the concepts lies well with the practices of the objective type questions to help individuals in attaining a great success in their academic and professional pursuit.This book contains 11 chapters encompassing the multiple-choice questions, true false and fill in the blanks vis a vis matching to consolidate the scientific acumen of the students in brightening their future. The main highlight of this book is the vast coverage of new chapters related to drug discovery, multi drug resistance (MDR) and clinical pharmacology and Veterinary therapeutics.