This book is an attempt to provide necessary guidance to the students of biotechnology in preparing for different competitive examinations. The majority of the questions given in this book have been designed to assess the candidate's understanding of the subject. The book contains more than 7000 scientifically constructed multiple-choice questions. This is an endeavor to present currently relevant questions in a user-friendly systematic manner, which will give the readers an idea about the model questions and help them to be focused. The book will serve as an efficient tool to prepare for various competitive examinations. \n\nSalient features of the book \n\nA whole lot of objective-type questions with their solutions. \nA new enriched section on data interpretation. \nQuestions from recent years' examination papers (compiled on a memory basis) have been incorporated. \nModel papers for different examinations. \nFor complete understanding, units have been divided into individual chapters and each chapter is supplemented with a sufficient number of multiple-choice questions \nThis is the only book with previous years solved papers