Ncert Biology Class Xi <2026 Release>

The syllabus is organized into comprising a total of 22 chapters , emphasizing a sequential flow of concepts from the microscopic level to complex human systems. Chapter 9: Biomolecules - Curriculum overview - LabXchange

The textbook serves as the foundational "Bible" for senior secondary medical aspirants in India, especially for those preparing for the NEET exam . It is meticulously designed by the National Council of Educational Research and Training to bridge the gap between basic secondary science and advanced biological studies. Core Structure & Units NCERT Biology Class XI