For the students aspiring to clear competitive examinations in the future, mastering the text and the concepts covered in the NCERT books is very crucial for building the foundation that would help in clearing the future competitive examinations. 'Master the NCERT' series from Arihant has been designed to work as a unique tool to reconcile the text of NCERT with the help of Objective Type Questions. This book containing objective questions framed on each line and para of NCERT Textbook for Class XI Biology has been divided chapter wise into 22 chapters namely Biological Classification, Plant Kingdom, Animal Kingdom, Biomolecules, Transport in Plants, Mineral Nutrition, Respiration in Plants, Digestion & Absorption, Locomotion & Movement, etc. The questions in each chapter have been segregated into Level I, Level II and Miscellaneous category. The Level I contains direct easy questions, Level II contains questions with a raised difficulty level and those of highest difficulty have been covered under miscellaneous category. Also an amalgamation of questions asked in previous years' examinations has also been provided in the book to increase the comprehension of the concepts covered in the chapters. All the multiple choice questions have been well supported with detailed answers to enhance the grip over the concepts. Wherever required grammatical representation of the concepts has also been given for thorough explanation of the concepts on which the questions are based. This resource book can be used by students at any level of preparation to get better exposure in gradual manner by preparing the chapters in topic-wise manner with question answer format along with detailed solutions. As the book contains plenty of objective questions framed on each line & para of NCERT Textbook, it for sure will act as the best resource to master NCERT and build formation which would go a long way in preparing the students to know each and everything covered in the NCERT Textbook volume I Biology.