''Arihant’s All in One has been a favourite and first choice of teachers as well as students since its first edition. All in One Biology has been designed for the students of Class XI. The fully revised 2017-18 edition has been penned down by an experienced examiner providing all explanations and guidance needed for effective study and achieving success in the upcoming CBSE Class XI Biology Examination. p>The present book for Class XI Biology has been divided into 22 chapters namely The Living World, Biological Classification, Plant Kingdom, Animal Kingdom, Morphology of Flowering Plants, Anatomy of Flowering Plants, Structural Organisation in Animals, Cell: The Unit of Life, Biomolecules, Cell Cycle & Cell Division, Transport in Plants, Mineral Nutrition, Photosynthesis in Higher Plants, Respiration in Plants, Plant Growth & Development, Digestion & Absorption, Breathing & Exchange of Gases, Body Fluids & Circulation, Excretory Products & Their Elimination, Locomotion & Movement, Neural Control & Coordination and Chemical Coordination & Integration, covering CBSE Class XI Biology syllabus. The book has been designed strictly in sync with the latest CBSE syllabus & Biology NCERT Textbook, with each chapter divided into individual topics for better understanding. Each individual topic contains detailed theory in notes form supported by illustrations, tables, flow charts, etc which will help in effective comprehension of the concepts. Questions given in each chapter have been grouped as Very Short Answer Type, Short Answer Type, Long Answer Type and HOTS. These Topicwise-Chapterwise questions cover NCERT Questions, Previous Years’ Examination Questions as well as other important questions from the examination point of view. . Also solutions and hints to all the questions have been provided in the book to help students learn and understand the concepts.Chapter Practice, a small test has been given at the end of each chapter to help students assess their level of understanding. The book also contains five sample question papers to help aspirants practice and know their level of preparation for the upcoming CBSE Class XI Physics Examination. As the revised and updated version of this bestseller book focuses on topical study followed by thorough practice, this book for sure will help the aspirants score high grades in the upcoming Class XI Biology examination 2018."