CISCE ICSE Class 8 Biology Syllabus - Free PDF Download
CISCE Syllabus 2024-25 ICSE Class 8: The CISCE ICSE Class 8 Biology Syllabus for the examination year 2024-25 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 2024-25 CISCE ICSE Class 8 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 8 Biology Syllabus for 2024-25 is below.
Academic year:
CISCE ICSE Class 8 Biology Revised Syllabus
CISCE ICSE Class 8 Biology and their Unit wise marks distribution
CISCE ICSE Class 8 Biology Course Structure 2024-25 With Marking Scheme
| # | Unit/Topic | Weightage |
|---|---|---|
| 1 | Transport of Food and Minerals in Plants | |
| 2 | Reproduction in Plants | |
| 3 | Reproduction in Humans | |
| 4 | Ecosystems | |
| 5 | Human Body: Endocrine System | |
| 6 | Human Body: Circulatory System | |
| 7 | Human Body: Nervous System | |
| 8 | Health and Hygiene | |
| 9 | Food Production | |
| Total | - |
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Syllabus
1 Transport of Food and Minerals in Plants
- Transport System in Plants
- Permanent Tissue
- Complex Permanent Tissue: Xylem Structure and Function (Conducting Tissue)
- Complex Permanent Tissue: Phloem Structure and Function (Conducting Tissue)
- Differences Between Xylem and Phloem
- Water absorbing organ
- Root
- Root Hair
- Structure of root hair
- Structure of the Cell
- Semi-permeable Membrane (Cell Membrane)
- Means of Transport in Plants
- Simple Diffusion
- Concept of Osmosis
- Endosmosis
- Exosmosis
- Active Transport
Active absorption
Types of Active Absorption:
- Osmotic absorption
- Non-osmotic absorption
- Translocation of Water (Ascent of Sap)
- Root Pressure Theory (Vital Theory)
- Capillarity theory (physical force theory)
- Cohesion-tension theory (Transpiration pull theory)
- Adhesion
- Root Pressure
- Guttation
- Transpiration
- Factors Affecting the Rate of Transpiration
- Significance of Transpiration
- Need of Water and Minerals for Plant
2 Reproduction in Plants
- Reproduction
- Introduction
- Reproduction in Plants
- Importance of Variation
- Reproduction in Lower and Higher Animals
- Organisms Create Copies of Themselves
- Mode of Reproduction in Plant
Mode of Reproduction in Plant:
-
Asexual reproduction
-
Sexual reproduction
-
- Asexual Reproduction in Plant
- Asexual reproduction in plant
- Different modes of asexual reproduction in plant
- Fragmentation
- Budding
- Spore formation
- Binary fission
- Conidia formation
- Gemma formation
- Natural Vegetative Reproduction
- Method of natural vegetative reproduction:
- Reproduction by Stem
- Reproduction by Leaf
- Reproduction by Root
- Advantages of natural vegetative reproduction
- Disadvantages of natural vegetative reproduction
- Artificial Vegetative Reproduction
Artificial vegetative propagation
- Cutting
- Layering
- Grafting
- Tissue culture
Advantages of artificial vegetative reproduction
Disadvantages of artificial vegetative reproduction
- Sexual Reproduction in Flowering Plants
- Sexual Reproduction in Flowering Plants
- Stages of Sexual Reproduction in Flowering Plants
(i) Pre-fertilisation events
(ii) Double fertilisation
(iii) Post-fertilisation events
- Pollination
- Kinds of Pollination
- Self Pollination (Autogamy)
- Cross Pollination
- Agents of Pollination
- Abiotic Agents
- Biotic Agents
- Fertilisation in Flowering Plants
- Artificial Pollination
3 Reproduction in Humans
- Reproduction
- Introduction
- Reproduction in Plants
- Importance of Variation
- Reproduction in Lower and Higher Animals
- Organisms Create Copies of Themselves
- Mode of Reproduction in Animal
- Mode of Reproduction in Animal:
- Asexual reproduction
- Sexual reproduction
- Asexual Reproduction
- Asexual Reproduction in Animal
- Asexual Reproduction in Animal
- Modes of asexual reproduction
- Gemmule Formation
- Budding
- Regeneration
- Asexual Reproduction in Animal
- Sexual Reproduction in Animals
- Human Reproduction
- The Female Reproductive System
- Female Reproductive System
- Ovaries
- Accessory ducts
- External genitalia
- Accessory glands
- Mammary glands
- Puberty / Sexual maturity in Females
- The Male Reproductive System
- The male reproductive system
- Testes
- Accessory ducts
- Accessory glands
- External genitalia
- Histology of seminiferous tubules
- Puberty / Sexual maturity in Males
- The Female Reproductive System
- Fertilization in Human
- Fertilization
- Mechanism of fertilization
- Effect of fertilization
- Significance of fertilization
- Sex determination
- Implantation in Human
- Implantation in Humans
- Implantation duration and process
- Implantation bleeding
- Pregnancy in Humans
- First Trimester
- Second Trimester
- Third (final) Trimester
- Placenta (Growth) in Human
- Placenta
- Functions of Placenta
- Parturition (Birth) in Human
- Parturition (Birth) in Human
- Dilation stage
- Expulsion stage
- After birth
- Twins - Fraternal and identical
- More than two - The triplets, Quadruplets, etc
- Test tube babies
- Two unlucky conjoined twins
- Siamese twins - A developmental abnormality
4 Ecosystems
- Ecosystem
- Introduction to Ecosystem
- Interactions in the Ecosystem
- Structure and function of an Ecosystem
- Abiotic Factors
- Biotic Factors
- Interaction Between Biotic and Abiotic Factors
- Complexity of Ecosystems
- Biomes: Large Ecosystems
- Forests: Our Lifeline
- Forest Biology
- Forest Biodiversity
- Crown
- Canopy
- Understorey
- Forest Ecosystem
- Spatial pattern: Stratification and zonation
- Trophic Level
- First Trophic level (Photoautotrophs)
- Second trophic level (Herbivores)
- Third trophic level (Carnivores)
- Fourth Trophic level (Top carnivore)
- Food Chain
- Introduction of Food Chain
- Advantages of Food Chain
- Food Web
- Introduction of Food Web
- Advantages of Food Web
- Energy Pyramid
- Trophic Level
- Pyramid of Energy
- Flora and Fauna of Forest Ecosystem
- Risks to Ecosystem
- Need to Restore and Conserve the Ecosystems
5 Human Body: Endocrine System
- Chemical Coordination
Chemical Coordination
- Autocrine
- Paracrine
- Endocrine
- Pheromone
- Human Endocrine System
Human Endocrine System
- Properties of Hormones
- Mechanism of hormone action
- Human Endocrine Glands
- Thyroid Gland
- Thyroid gland: Isthmus, Follicles and stromal tissues, tetraiodothyronine or thyroxine (T4), triiodothyronine (T3), thyrocalcitonin (TCT), Iodine
- Functions of thyroid hormones
- Disorders related to thyroid gland
- Hyperthyroidism
- Hypothyroidism
- Adrenal Gland (Suprarenal Gland)
Adrenal Gland
- Hormones and functions of adrenal gland
(i) Adrenal cortex: Zona reticularis, Zona Fasciculata, Zona reticularis - Disorders related to Adrenal cortex: Hyposecretion, Hyper secretion
(ii) Adrenal medulla: Adrenaline, Nor-adrenaline, Catecholamines, emergency hormones or hormones of fight or flight
- Hormones and functions of adrenal gland
- Pancreas (Islets of Langerhans)
- Pancreas (Islets of Langerhans): α-cells and β-cells
(i) Insulin
(ii) Glucagon - Other hormone secreting cells of islets of Langerhans
(i) Delta or D cells
(ii) F cells - Disorders related to pancreas
-Diabetes mellitus (Hyperglycemia)
- Pancreas (Islets of Langerhans): α-cells and β-cells
- Pituitary Gland or Hypophysis Gland
- Pituitary gland
- Division of pituitary gland
(i) Adenohypophysis (anterior pituitary): Pars distalis, pars tuberalis
(ii) Neurohypophysis (posterior pituitary): Pars nervosa, infundibulum, MSH (Melanocyte Stimulating Hormone) - Hormones of adenohypophysis/ hormones of pars distalis:
(i) Growth Hormone (GH)
(ii) Thyroid-stimulating hormone (TSH)
(iii) Adrenocorticotropic hormone (ACTH)
(iv) Prolactin
(v) Follicle-stimulating hormone (FSH)
(vi) Luteinizing hormone (LH) - Hormones of neurohypophysis
- Thyroid Gland
- Adolescence
- Adolescence
- Stages of Adolescence
- Physical changes of adolescence
- Mental Health and Adolesence
- Physical Changes
- Development of Sexual and Secondary Sexual Characters
- Adolescence and the Related Psychological Changes
- Types of Hygiene: Personal Hygiene
- Personal Hygiene
- Major aspect of personal hygiene
- Cleanliness
- Physical exercise
- Rest and sleep
- Healthy habits
- Stress Management
- Stress
- Stress management
1) Laughter Club
2) Unified Movement against Tobacco
3) Salaam Mumbai Foundation
4) Government Schemes
6 Human Body: Circulatory System
- Circulation in Animals
- Circulation
- Blood vascular system
- Types of blood vascular system
- Open circulation
- Closed circulation
- Fluids in Our Body
- Fluids in Our Body
- Blood
- Tissue fluid
- Lymph
- Blood Circulatory System in Human
- Blood Circulatory System
- Blood vascular system
- Blood Composition
- Blood Coagulation (Clotting)
- Human Heart
- Structure of the Heart
- Layers of the Heart Wall
- Chambers of the Heart
- Valves of the Heart
- Pathway of Blood through the Heart
- Blood Vessels
- Blood Vessels: Structure and Functions
- Capillaries
- Circulation of Blood in the Heart (Functioning of Heart)
- Blood Circulation through Heart / Functioning of Heart
- Experiment
- Pacemaker
- Working mechanism of human heart
- Cardiac Cycle
- Atrial systole (AS)
- Ventricular systole (VS)
- Cardiac output (CO)
- Types of Closed Circulation
- Types of Closed Circulation:
- Single circulation
- Double circulation
- Systemic circulation
- Pulmonary circulation
- Coronary circulation
- Hepatic Portal System
- Tissue Fluid (Or Intercellular Fluid)
- Lymph and Lymphatic System
- Lymph and Lymphatic System
- Composition of Lymph
- Functions of Lymph
- Blood Transfusion and Blood Groups (ABO and Rh system)
- Human Blood Groups
- Rh Factor
- Blood Donation
- Blood Banks
- Blood Donor
- Blood Recipient
- Heart Related Conditions
- Keeping the Heart Healthy
7 Human Body: Nervous System
- Control and Co-ordination
- Control and Co-ordination in Human Being
- Human Nervous System
- Introduction
- Components of Nervous System
- Neuron
- Need of Nervous System
- Neural Tissue
- Neuron (Or Nerve Cell) and Its Types
- Neuron
- Types of neurons
- Unipolar neurons
- Bipolar neurons
- Multipolar neurons
- Sensory or afferent neurons
- Motor or efferent neurons
- Association (connecting) neurons
- Nerve
- Types of Nerve
- Sensory nerves
- Motor nerves
- Mixed nerves
- Difference between Neuron and Nerve
- Neuron (Or Nerve Cell) and Its Types
- Neuron
- Types of neurons
- Unipolar neurons
- Bipolar neurons
- Multipolar neurons
- Sensory or afferent neurons
- Motor or efferent neurons
- Association (connecting) neurons
- Nerve
- Types of Nerve
- Sensory nerves
- Motor nerves
- Mixed nerves
- Difference between Neuron and Nerve
- Neuron (Or Nerve Cell) and Its Types
- Neuron (Or Nerve Cell) and Its Types
- Nerve Fibres
- Nerve Fibres
- Properties of nerve fibres
- Types of Nerve Fibres
- Myelinated nerve fibre
- Non-myelinated nerve fibre
- Nerve Fibres
- Major Division of the Nervous System
- The major division of The Nervous System
- Central Nervous System (CNS)
- Peripheral nervous system (PNS)
- Somatic Nervous System
- Autonomic Nervous System
- Components of the nervous system at a glance
- Central Nervous System (CNS)
- Central Nervous System
- Different regions of Brain and its functions
- The Human Brain - Forebrain
Forebrain:
- Olfactory lobes
- Cerebrum
- Diencephalon
- The Spinal Cord
- Spinal Cord
- T. S. of spinal cord
- Functions of the spinal cord
- Peripheral Nervous System (PNS)
- Peripheral Nervous System
- Types of PNS
- Reflex and Reflex Action
- Reflexes
- Types of actions
- Voluntary actions
- Involuntary actions
- Types of Reflexes
- Natural (inborn) reflex
- Conditioned (or acquired) reflex
- Pavlov's experiment on a dog
- Reflex Arc
- Various terms associated with reflex arc:
- Receptor
- Sensory neuron
- Central nervous system
- Motor neuron
- Effector
8 Health and Hygiene
- Health
- Introduction
- Physical Health
- Mental Health
- Hygiene
- Introduction
- The Importance of Hygiene for Health and Well-being
- 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
- Communicable Or Infectious Diseases
- Introduction
- Infectious and Non-infectious causes of Disease
- Spread of Communicable Diseases
- Common Diseases in Human Beings
- Viral Diseases
- Introduction
- Common diseases
- Viral Diseases
- Viral Diseases
- Vector Borne Diseases
- Vector
- Vector Borne Diseases: Mosquitoes, Cockroaches and Rats
- Malaria
- Elephantiasis (filariasis)
- Yellow fever
- Dengue
- Control of mosquitoes:
- Spraying
- Elimination of breeding places
- Spraying on stagnant water
- Biological control
- Principles of Prevention of Diseases
- Vaccination and Immunization
- Vaccination
- Immunization
- First Aid and Emergency Action
- First Aid
- Basic Principles of First Aid
- Simple Steps for Providing First Aid in Different Situations
- Tobacco Abuse
- Tobacco Consumption
- Ill Effects of Tobacco Addiction
- The Importance of Avoiding Tobacco
- Alcohol Abuse
- Alcohol Consumption
- Effect of Alcohol Addiction
- Prevention and Control of Alcohol
- Drug Abuse
- Drugs, Tobacco, and Alcohol Use- An Invitation to Death
- Drugs Abuse
- Effects of Drug and Alcohol Abuse
- Prevention and Control of Drug Abuse
9 Food Production
- Microorganisms (Microbes) and Microbiology
- Introduction of Microorganisms
- Types of Microorganisms
- Classification of Microorganisms
- Experiment
- Nature of microorganisms
- Growth of microorganisms
- Bacteria
- Useful Role of Bacteria in Industry
- Useful Role of Bacteria in Food Industry
- Useful Role of Bacteria in Medicine
- Useful Role of Bacteria in Agriculture
- 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
- Crop and Its Types
- Horticulture
- Organic Farming
- Green Revolution
- Animal Husbandry (Livestock)
- Agro-Complementary Occupations
- Animal Husbandry
- Pisciculture (Fish Farming)
- Pisciculture
- Types of Fish Culture
- Types of Ponds for Fish Culture
- Cultivable Food Fishes
- Nutritional Value of Fishes
- Apiculture (Bee Farming)
- Apiculture
- Types of Honey Bee
- Polymorphism in honey bee
- Artificial bee hive
- Dairy Farming
- Proper Care for Optimal Yield
- Dairy Farm Management
- Protecting the Cattle from Diseases
- Livestock Management: Sheep, Goats, and Horses
- White Revolution
- Meat Providing Livestock
- Poultry Farming
- Poultry Farm Management
- Components of Poultry Farm Management
- Egg and Broiler Production
- Poultry Disease
- Aquaculture
- Sericulture
- Introduction
- The Life Cycle of Silk Worm
