Central Board of Secondary Education (Website)

The Central Board of Secondary Education (CBSE) has officially published the Biology curriculum for the 2026-27 academic session. This syllabus is designed for students enrolled in Class 11, providing a structured framework for the academic year. The curriculum encompasses 19 distinct chapters organized into five core units, ensuring a comprehensive understanding of biological sciences. The assessment structure is divided into a 70-mark theory examination and a 30-mark practical component, totaling 100 marks. Students are encouraged to utilize this official document to align their study schedules with the board's requirements. The syllabus serves as the primary reference for school-level examinations and internal assessments throughout the year. By adhering to the prescribed topics, students can effectively manage their preparation for both theoretical concepts and laboratory experiments. The board emphasizes the importance of understanding the unit-wise weightage to prioritize study time efficiently. This release marks a significant step for students preparing for their higher secondary education, offering clarity on the scope and depth of the Biology subject code 044. Accessing the official PDF ensures that students are working with the most accurate and updated information provided by the academic department.

The assessment process for Class 11 Biology is conducted at the school level based on the guidelines provided by the CBSE. The evaluation is split into two main segments: a theory examination and a practical assessment. The theory paper accounts for 70 marks and tests the student's conceptual understanding of the 19 chapters. The practical examination, worth 30 marks, evaluates laboratory skills, including major and minor experiments, slide preparation, and spotting. Additionally, students must complete project work and participate in a viva voce, which are integral parts of the final assessment. Schools are responsible for conducting these examinations and determining the final grades based on the board's prescribed weightage.

The Biology examination is structured to assess both theoretical knowledge and practical application. The theory paper is worth 70 marks, while the practical assessment contributes 30 marks. The syllabus is divided into five units: Diversity of Living Organisms (15 marks), Structural Organization in Plants and Animals (10 marks), Cell: Structure and Function (15 marks), Plant Physiology (12 marks), and Human Physiology (18 marks). The question paper typically includes a mix of multiple-choice questions, assertion-reasoning, case-based competency questions, and short/long answer questions. Practical exams include major and minor experiments, slide identification, and viva voce.