CISCE ICSE Class 9 Biology Syllabus - Free PDF Download
CISCE Syllabus 2026-27 ICSE Class 9: The CISCE ICSE Class 9 Biology Syllabus for the examination year 2026-27 has been released by the Council for the Indian School Certificate Examinations, CISCE. The board will hold the final examination at the end of the year following the annual assessment scheme, which has led to the release of the syllabus. The 2026-27 CISCE ICSE Class 9 Biology Board Exam will entirely be based on the most recent syllabus. Therefore, students must thoroughly understand the new CISCE syllabus to prepare for their annual exam properly.
The detailed CISCE ICSE Class 9 Biology Syllabus for 2026-27 is below.
Academic year:
CISCE ICSE Class 9 Biology Revised Syllabus
CISCE ICSE Class 9 Biology Course Structure 2026-27 With Marking Scheme
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Syllabus
1: Introducing Biology
CISCE ICSE Class 9 Biology Syllabus
- Growth of Biology
- Branches of Biology
- Applied Biology
- Study of Biology Helps Us in Many Ways
2: Basic Biology
CISCE ICSE Class 9 Biology Syllabus
2.1 Cell : the Unit of Life
- Cell: Structural and Functional Unit of Life
- Key Points: Cell
- The Invention of the Microscope and the Discovery of Cell
- Cell Theory
- Organisms Show Variety in Cell Number, Shape and Size
- Definition: Unicellular Organisms
- Definition: Multicellular Organisms
- Key Points: Number, Size, and Shape of Cells
- Prokaryotic and Eukaryotic Cell
- Characteristics of Cells
- Types of Cells
- Difference between Prokaryotic and Eukaryotic cells
- Cell Organelles
- Introduction
- Definition: Organelles
- Definition: Protoplasm or Protoplast
- Definition: Cell Inclusions
- Key Points: Cell Organelles
- Endoplasmic Reticulum (ER)
- Introduction
- Functions of ER
- Key Points: Endoplasmic Reticulum (ER)
- Ribosomes - "The sites of protein synthesis"
- Key Points: Ribosomes
- Mitochondria - “Power House of the Cell”
- Introduction
- Functions of Mitochondria
- Key Points: Mitochondria
- Golgi Apparatus - "The delivery system of the cell"
- Introduction
- Functions of Golgi Apparatus
- Key Points: Golgi Apparatus
- Lysosome - “Suicidal Bag”
- Introduction
- Functions of Lysosomes
- Key Points: Lysosomes
- Centrosome and Centrioles
- Key Points: Centrosome
- Plastids
- Key Points: Plastids
- Structure of the Cell > Plasma Membrane / Cell Membrane
- Key Points: Cell Membrane
- Structure of the Cell > Cell Wall: “Supporter and Protector”
- Key Points: Cell Wall
- Structure of the Cell > Cytoplasm: “Area of Movement”
- Introduction
- Definition: Cytosol
- Key Points: Cytoplasm
- Non-living Substances Or Cell Inclusion
- Cell Inclusion
- Granule
- Vacuole
- Functions of Vacuole
- Key Points: Vacuoles & Granules
- Structure of the Cell > Nucleus: “Brain” of the Cell
- Introduction
- Experiment
- Definition: Chromatin Fibres
- Key Points: Nucleus
- Plant Cell Vs Animal Cell
- Protoplasm
- Every Activity of a Living Organism is the Outcome of Cellular Activity
2.2 Tissues : Plant and Animal Tissues
- Tissues - “The Teams of Workers”
- Introduction
- Differences Between Plant and Animal Tissues
- Plant Tissues
- Introduction
- Experiment
- Meristems or Meristematic Tissues
- Introduction
- Types of Meristematic Tissue
- Permanent Tissue
- Protective Tissue
- Simple Permanent Tissues (Supporting Tissue)
- Introduction
- Experiment
- Types of Simple Permanent Tissues
- Complex Permanent Tissues
- Introduction
- Types of Complex Permanent Tissues
- Animal Tissues
- Epithelial Tissue
- Introduction
- Simple Epithelium Tissue
- Compound Epithelial Tissue
- Connective Tissue
- Introduction
- Loose Connective Tissue
- Dense Connective Tissue
- Specialized Connective Tissue
- Muscular Tissue
- Introduction
- Types of Muscular Tissue
- Nervous Tissue
- Introduction
- Structure of a Neuron
- Epithelial Tissue
3: Flowering Plants
CISCE ICSE Class 9 Biology Syllabus
3.1 The Flower
3.2 Pollination and Fertilization
- Self-pollination
- Definition: Self-pollination
- Cross-pollination
- Definition: Cross-pollination
- Artificial Pollination
- Fertilization in Plants
4: Plant Physiology
CISCE ICSE Class 9 Biology Syllabus
4.1 Seeds - Structure and Germination
- Classification of Seeds
- Classification Based on Cotyledon Number
- Classification Based on Endosperm Presence
- Special Cases and Examples
- Some Experiments on Germination
- Germination in Some Common Seeds
- The Seedling
4.2 Respiration in Plants
- Cellular Respiration
- Definition: Aerobic Respiration
- Definition: Anaerobic Respiration
- Key Points: Cellular Respiration
- Phases of Respiration: Glycolysis
- Definition: Glycolysis
- Phases of Respiration: Electron Transport System (Ets) and Oxidative Phosphorylation
- Oxidative Phosphorylation
- Oxidative Phosphorylation Steps
- Phases of Respiration: Tricarboxylic Acid Cycle (Citric Acid Cycle or Kreb’s Cycle)
- Definition: Tricarboxylic Acid Cycle (Citric Acid Cycle or Kreb’s Cycle)
- Phases of Respiration: Pyruvate Oxidation (Link Reaction)
- Phases of Respiration: Fermentation
- Fermentation
- Process of Fermentation
- Types of Fermentation
- Lactic Acid Fermentation
- Alcohol Fermentation
- Acetic acid Fermentation
- Butyric acid Fermentation
- Advantages of Fermentation
- Production of ATP
- Definition: ATP
- Key Points: ATP
- Respiration Vs. Burning (Combustion)
- Respiration in Plant
- Do plants breathe?
- The process of respiration in plants
- Respiration in roots
- Respiration in stems
- Respiration in leaves
- Types of respiration
- Aerobic Respiration
- Anaerobic Respiration
- Experiments on Respiration in Plants
- Experiments on respiration in plants
- Experiment to prove that carbon dioxide is produced during respiration in germinating seeds
- Experiment to prove that carbon dioxide is produced by green plants during respiration
- Experiment to show that heat is evolved during respiration
- Experiment to demonstrate anaerobic respiration
- Respiration and Photosynthesis
- Organs of Respiratory Exchange
5: Diversity in Living Organisms / Eco Systems
CISCE ICSE Class 9 Biology Syllabus
5.1 Five Kingdom Classification
- Introduction of Biological Classification
- Concept of Species
- Species
- Crosses between two different species
- Two Kingdom Classification
- Two kingdom classification
- The drawback of two kingdom classification
- Three Kingdom Classification
- Three kingdom classification
- The drawback of three kingdom classification
- Four Kingdom Classification
- Four kingdom classification
- The drawback of four kingdom classification
- Five Kingdom Classification
- Introduction
- Hierarchy Classification
- Five Kingdom Classification
- Kingdom Monera
- Introduction
- Experiment
- Kingdom Protista
- Introduction
- Experiment
- Kingdom Fungi
- Introduction
- Experiment
- Classification of Kingdom Plantae
- Kingdom Animalia
- Kingdom Animalia
- Characteristics of Kingdom Animalia
- Differences Between Plantae (Plants) and Animalia (Animals)
- Cryptogams > Division II- Bryophytes
- Bryophyta
- Activity
- Cryptogams > Division III- Pteridophytes
- Phanerogams > Division I-Gymnosperms
- Phanerogams > Division II- Angiosperms
- Angiosperms
- Activity
- Classification of Angiosperms
- Non Chordates (Invertebrata)
- Phylum: Porifera
- Definition: Ostia
- Definition: Osculum
- Definition: Collar Cells
- Key Points: Porifera
- Phylum: Cnidaria/Coelenterata
- Definition: Polyp
- Definition: Medusa
- Key Points: Cnidaria/Coelenterata
- Phylum: Platyhelminthes
- Key Points: Platyhelminthes
- Phylum: Annelida
- Key Points: Annelida
- Phylum: Arthropoda
- Key Points: Arthropoda
- Phylum: Mollusca
- Key Points: Mollusca
- Phylum: Echinodermata
- Key Points: Echinodermata
- Phylum: Porifera
- Phylum: Chordata
- Subphylum: Vertebrata/Craniata
- Key Points: Vertebrata/Craniata
- Subphylum: Vertebrata/Craniata
- Invertebrata and Vertebrata
- Non Chordates (Invertebrata)
- Chordates
- Chordata: Prochordata
- Chordata: Vertebrata
- Comparison of chordates and non-chordates
- Nomenclature
- Definition: Nomenclature
- Key Points: Nomenclature of Carbon Compounds
- Taxonomy and Systematics
- Taxonomy
- Systematics
- Classification of Taxonomy
- Plant Taxonomy
- Animal Taxonomy
5.2 Economic Importance of Bacteria and Fungi
- Bacteria
- Life Processes in Bacteria
- Life process in bacteria
- Movement
- Respiration - Aerobic and Anaerobic respiration
- Nutrition - Autotrophic and Heterotrophic Bacteria
- Reproduction - Asexual and Sexual Reproduction
- Life Processes in Bacteria
- Useful Role of Bacteria in Medicine
- Useful Role of Bacteria in Agriculture
- Useful Role of Bacteria in Industry
- Harmful Role of Bacteria
- Fungi
- Economic Importance of Fungi
- Economic importance of fungi
- Beneficial activities
(a) Food
(b) Medicine
(c) Industries
(d) Production of Organic acid
(e) Bakery and Brewery
(f) Production of enzymes
(g) Agriculture - Harmful activities
- Economic Importance of Fungi
6: Human Anatomy and Physiology
CISCE ICSE Class 9 Biology Syllabus
6.1 Nutrition
- Nutrients and Nutrition
- Introduction
- Modes of Nutrition
- Types of Nutrients
- Food and Its Types
- Component of Food
- Carbohydrates
- Experiment 1
- Experiment 2
- Carbohydrates
- Types of Carbohydrates and their Importance
- Fats (Lipids)
- Experiment
- Fats (Lipids)
- Vitamin and Minerals
- Vitamins
- Minerals
- Carbohydrates
- Component of Food: Minerals
- Macro-minerals
- Trace minerals (micro-minerals)
- A Balanced Diet
- Deficiency Diseases
- Diseases Due to Deficiency of Carbohydrates
- Diseases Due to Deficiency of Fats
- Diseases Due to Deficiency of Proteins
- Diseases Due to Deficiency of Vitamin
- Diseases Due to Deficiency of Minerals
6.2 Digestive System
- Need for Digestive System
- Human Digestive System
- Digestion
- Alimentary Canal
- Digestive organs
- The Mouth and Buccal Cavity
- The Teeth and Its Structure
- Teeth and Its Types
- Structure of a Tooth
- The Salivary Glands
- Swallowing and Peristalsis
- The Food Pipe/Oesophagus
- Introduction
- Function of the Oesophagus
- The Stomach
- Introduction
- Function of the Stomach
- The Small Intestine
- Introduction
- Functions of Small Intestine
- Human Endocrine Glands
- Pancreas (Islets of Langerhans)
- Definition: Islets of Langerhans
- Introduction
- Function of Pancreas
- Key Points: Pancreas
- Pancreas (Islets of Langerhans)
- Absorption of Food
- The Large Intestine
- Introduction
- Functions of the Large Intestine
- Assimilation of Food
- Liver
- Introduction
- Functions of the Liver
- Experiments on Digestion
- Test for Carbohydrates/Starch
- Test for Protein
- Test for Fats
6.3 Skeleton - Movement and Locomotion
- Human Skeleton System
- Introduction of The Human Skeleton System
- Function of Human Skeleton
- Parts of the Skeleton
- Structure of a Bone
- Bone and Its Types
- Bones
- Types of Bones
- The Human Skeleton: Axial Skeleton
- The Human Skeleton: Appendicular Skeleton
- Joints and Its Classification
- Joints
- Types of Joints
- Joints and Its Classification
- Muscular System
- Muscles and Its Types
- Introduction
- Types of Muscles
- Activity
- Lever Mechanisms
6.4 Skin - "The Jack of All Trades"
- The Skin
- Introduction
- Functions
- Structure of the Skin
- The Skin Proper
- Epidermis
- Dermis
- Derivation of the Skin
- Hair
- Nails
- Sebaceous glands
- Sweat glands
- Mammary glands
- The Skin Proper
- Skin and Heat Regulation of Body
- Heat production
- Heat Loss
- Temperature regulation
6.5 The Respiratory System
- Production of ATP
- Definition: ATP
- Key Points: ATP
- Human Respiratory System
- Respiratory System
- Exchange of Gases in Lungs
- Significance of Respiration
- Key Points: Respiratory System
- Cellular Respiration
- Definition: Aerobic Respiration
- Definition: Anaerobic Respiration
- Key Points: Cellular Respiration
- Parts of Respiration
- Breathing
- Gaseous transport
- Tissue respiration
- Cellular respiration
- Mechanism of respiration-Breathing
- Mechanism of Respiration
- Steps of Respiration
- Capacities of the Lungs
- Inspired Air Vs. Expired Air
- Effect of altitude of breathing
- Hypoxia and Asphyxiation
- Experiments on Breathing and Respiration
- To demonstrate that water is lost during breathing
- To demonstrate that CO2 is given out in breathing
- To demonstrate the action of the diaphragm during breathing
- To measure the volume of expired air
- To show that oxygen is taken in by animals during respiration
7: Health and Hygiene
CISCE ICSE Class 9 Biology Syllabus
7.1 Hygiene - [A Key to Healthy Life]
- Health
- Introduction
- Physical Health
- Mental Health
- Hygiene
- Introduction
- The Importance of Hygiene for Health and Well-being
- Types of Hygiene: Personal Hygiene
- Personal Hygiene
- Major aspect of personal hygiene
- Cleanliness
- Physical exercise
- Rest and sleep
- Healthy habits
- Types of Hygiene: Public Hygiene (Community)
- Vector Borne Diseases
- Control of Disease Carriers (Vectors)
- Vector
- The manner in which vector spreads diseases
- Several methods to Control vector
- Contamination of Water and Water Borne Diseases
- Waterborne diseases
- Contamination of Water
- Prevention of Waterborne Diseases
- Waterborne Diseases Caused by Bacteria
- Waterborne Diseases Caused by Bacteria:
- Diarrhoea
- Dysentery (Shigellosis)
- Typhoid Fever Bacteria (Salmonella)
- Cholera
- Waterborne Diseases Caused by Virus
- Waterborne Diseases Caused by Virus
- Hepatitus A
- Hepatitus E
- Common Diseases in Human Beings
- Protozoan Diseases
7.2 Diseases : Cause and Control
- Disease
- Introduction
- Identification of disease
- Categories of Disease
- Categories of Disease
- Extent of occurrence
- Endemic diseases
- Epidemic diseases
- Pandemic diseases
- Sporadic diseases - Communicability: Communicable or Infectious diseases & Non- Communicable or Non-Infectious diseases
- Kinds of pathogens
- Kinds of transmitting agents
- Congenital diseases and acquired diseases
- Other types of diseases
- Infectious diseases
- Hereditary diseases
- Physiological diseases
- Deficiency diseases
- Human Diseases > Non-communicable or Non-infectious Diseases
- Human Diseases > Communicable Or Infectious Diseases
- Introduction
- Infectious and Non-infectious causes of Disease
- Common Diseases in Human Beings
- Bacterial Diseases
- Protozoan Diseases
- Helminthic Diseases
- Viral Diseases
- Vector Borne Diseases
7.3 Aids to Health
- Types of Hygiene: Personal Hygiene
- Personal Hygiene
- Major aspect of personal hygiene
- Cleanliness
- Physical exercise
- Rest and sleep
- Healthy habits
- Types of Hygiene: Public Hygiene (Community)
- Immunity
- Defence System in Our Body: Local Defence System
- Protective mechanical barriers
- Thrown out, if entered
- Germ-killing secretions
- Germ-fighting white blood cells (WBCs)
- Merits of local defence systems
- Defence System in Our Body: Immune System
- Antiseptics and Disinfectants
- Antiseptics
- Disinfectants
- Differences between antiseptics and disinfectants
- Antibiotics
- Definition: Antibiotics
- Sulphonamide Group of Medicines
7.4 Health Organisation
- Common Health Problems in India
- Categories of Health Organisation
- International Bodies: Red Cross
- International Bodies: WHO (World Health Organisation)
8: Waste Generation and Management
CISCE ICSE Class 9 Biology Syllabus
- Waste and Its Categories
- Types of Waste
- Categories of Waste
- Disposal Techniques
- Methods of Safe Disposal of Waste
- Methods of Safe Disposal of Waste
- Segregation
- Dumping
- Composting
- Drainage
- Treatment of Effluents before Discharge
- Incineration
- Scrubbers
- Electrostatic Precipitators
9: Vegetative Propagation
CISCE ICSE Class 9 Biology Syllabus
10: Biotechnology Applications
CISCE ICSE Class 9 Biology Syllabus
- Crop Biotechnology > Hybrid Seeds
- Definition: Hybrid Seeds
