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CBSE Class 11 Biology Syllabus 2026-27 Released - 19 Chapters, Unit-Wise Marks and PDF

Central Board of Secondary Education (CBSE) has published the Class 11 Biology Syllabus 2026-27 for Subject Code 044. The syllabus includes 19 chapters across five units, with 70 marks for theory and 30 marks for practical assessment. Students can check the chapter-wise topics, unit-wise weightage, practical experiments and topics excluded from summative assessment.