Book excerpt: Multiple Choice Questions (MCQs) are the backbone for all entrance examinations throughout the world. MCQs are used to evaluate student's cognitive acumen in all the fields and discipline. This book contains 28 chapters covering almost all of the biochemistry syllabus through 3500+ MCQs. Each MCQ is validated from the reference biochemistry books. The book is mainly designed for the undergraduate, postgraduate, MBBS medical biochemistry students of medical, pharmacy, physiotherapy, nursing, medical laboratory sciences and other allied courses. This book can also be useful for the PG entrance exam of various universities, NET examinations, USMLE entrance examinations, etc. It includes questions from all categories, i.e. from the simplest ones to real brain teasers, in order to cater the needs of the unprepared students who start studying at the eleventh hour, besides, of course, the committed ones who are well conversant with the subject. The book is based on the current pattern of exam, and will prove very useful for studying, practice and during precious moments before the exam for reference and revision. It is highly recommended to sharpen your problem solving skills with thorough practice of numerous questions provided in the book, and prepare to face the exam confidently and successfully.