NCERT Biology Class XI

Ncert Biology Class Xi Apr 2026

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

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 NCERT Biology Class XI