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ICSE Class 9 Biology: Chapter-wise Notes and PYQs

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ICSE · Class 9 · 2026-27

ICSE Class 9 Biology: chapter-wise study guide

All 13 chapters of ICSE Class 9 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.

  • 13 chapters
  • 18 topic pages
Start with the first chapter

Exam note: Class IX is a school examination: CISCE says the Class IX final examination is conducted internally by schools. The ICSE 2028 syllabus sets the Class IX Biology (Science Paper 3) paper at 80 marks and 2 hours, plus 20 marks of internal assessment of practical work; CISCE publishes no Class IX question-paper layout.

Basic Biology

  1. Cell: The Unit of Life

  2. Tissues

Flowering Plants

  1. The Flower

  2. Pollination

  3. Fertilisation

Plant Physiology

  1. Seeds: Structure and Germination

  2. Respiration in Plants

Diversity in Animal Kingdom

  1. Diversity in the Animal Kingdom

Economic importance of Bacteria and Fungi

  1. Economic Importance of Bacteria and Fungi

Human Anatomy and Physiology

  1. Nutrition and the Digestive System

  2. Skeleton: Movement and Locomotion

  3. Skin: Structure and Functions

Health and Hygiene

  1. Health and Hygiene

Syllabus source: CISCE ICSE 2028 Science (52) Biology syllabus (Classes IX and X), CISCE Regulations for ICSE Examination Year 2028