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ICSE Class 10 Biology: Chapter-wise Notes and PYQs

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ICSE · Class 10 · 2026-27

ICSE Class 10 Biology: chapter-wise study guide

All 15 chapters of ICSE Class 10 Biology for the 2026-27 session. Each chapter page explains the ideas, gives tricks to remember them, shows where students lose marks, and links to practice.

  • 15 chapters
  • 41 topic pages
Start with the first chapter

Exam note: Biology is Science Paper 3 of ICSE Science (52): one theory paper of 80 marks and 2 hours (plus 15 minutes reading time), and 20 marks of internal assessment of practical work. Section A (40 marks) is compulsory; in Section B you answer any four of six 10-mark questions.

Basic Biology

  1. Cell Cycle and Cell Division

    Stages of meiosis are not required.

  2. Structure of Chromosome

  3. Genetics

Plant Physiology

  1. Absorption by Roots

  2. Transpiration

  3. Photosynthesis

  4. Chemical Coordination in Plants

Human Anatomy and Physiology

  1. Circulatory System

  2. Excretory System

  3. Nervous System and Sense Organs

  4. Endocrine System

  5. Reproductive System

Chapters

  1. Population

  2. Human Evolution

  3. Pollution

Syllabus source: CISCE ICSE 2027 Science (52) Biology syllabus, CISCE ICSE 2027 Biology (Science Paper 3) specimen question paper and marking scheme, CISCE ICSE 2027 Regulations