ICSE Class 8
Syllabus For Biology Class 8
The Indian Certificate of Secondary Education (ICSE) is the most popular board in the present world of education. This board of education retains a healthy learning environment, the best educational pattern, and also encourages students in many ways. The ICSE curriculum is designed by the board higher authorities by considering the students’ learning necessities.
The syllabus for ICSE Class 8 students is tactically designed keeping in mind the exact requirements. At Speedalbs, we thoroughly update the syllabus pattern in such a way that the need for topics and sub-topics that the students need to complete during an academic session are fulfilled.
Unit-1 Transport of Food and Minerals in Plants
- Diffusion – definition.
- Osmosis – definition, example, semipermeable membrane, root pressure; active transport.
- Transpiration – definition, importance and factors affecting transpiration.
- Structure and function of Xylem and Phloem in detail.
- Importance of minerals: macro and micro- nutrients; three deficiency diseases caused by lack of these essential nutrients.
Unit-2 Reproduction in Plant and Animals
Plants
- Types of Asexual reproduction: Binary fission, budding, fragmentation, spore formation, vegetative propagation, artificial propagation by tissue culture (basic process along with a suitable example of each)
- Sexual reproduction in Plants:
- Review of parts of a typical flower ( 4 whorls and their structure and function)
- Pollination: self and cross.
- Agents of pollination: three characteristics of plants pollinated by insects, water, and wind (with examples). Characteristics of flowers of each kind.
- Fertilization process in brief by flow chart.
- Mention of artificial pollination.
Animals
- Sexual reproduction in humans:
- Main organs of male and female reproductive system
Unit-3 Ecosystems
- Understanding ecosystems: definition, interaction between biotic and abiotic factors.
- Biotic components consisting of producers, consumers, decomposers. Meaning of food chain. Food web, and pyramid of numbers.
- Interdependence between organisms: symbiosis, parasitism, and predation. Brief account of abiotic or non-living components such as air, soil, water, and climatic factors such as sunlight, temperature, humidity, and wind.
- Only, forest ecosystem with its flora and fauna to be taught.
Unit-4 Human Body – Endocrine, Circulatory and Nervous Systems
Endocrine System
- Two types of glands- exocrine, endocrine (basic concept and difference).
- Hormone (definition).
- Hormonal glands – (thyroid, adrenal, pancreas, pituitary); location and function of each.
- Following points to be studied in tabular form: name of gland, location in body, secretion, function.
Adolescence and accompanying changes
- Physical and emotional changes in the body during adolescence.
- Importance of personal hygiene.
- Stress management (meaning of stress; ways to tackle stress: yoga, meditation, time management, sports, hobbies, rational thinking etc.)
Circulatory System
(Revisit learning of earlier class)
- Internal structure of heart in detail (including valves, septum; pacemaker).
- Schematic diagram of the heart.
- Blood vessels – aorta. pulmonary trunk, coronary artery & vein, vena cava.
- Circulation of blood as double circulation.
- Blood Groups ($mathrm{A}, mathrm{B}, mathrm{AB}, and mathrm{O}$): universal donor and universal acceptor.
- Conditions related to the functioning of the heart: palpitations, cardiac arrest, and hypertension. system as a parallel circulatory system.
- Introduction of lymphatic system as a parallel circulatory system.
Nervous System
(Revisit learning of earlier class)
- Types of nerves: sensory, motor, mixed (function only). Cranial and spinal nerves (only definition and number).
- Structure of a motor neuron
- Central nervous system (CNS) in detail with its parts and their functions.
- Reflex action: definition and basic terms used to describe reflex action stimulus, response, impulse, receptor, effector); common examples of reflex action.
Unit-5 Health and Hygiene
Diseases
- A brief idea of communicable diseases (influenza, measles, malaria, dengue, chikungunya, HIV) – causative agents, symptoms, and prevention to be dealt with in a tabular form.
- The meaning of vector.
- Method of preventing diseases in general; use of vaccines to be mentioned.
- Vaccination and immunization: the concepts and difference. between the two.
- Harmful effects of consuming tobacco, drinking alcohol, taking drugs.
First Aid
- First aid- meaning.
- First aid given in the following cases:(burns, bleeding, fracture, object in the eye, unconsciousness, swallowing poison, snake bite, stings).
Unit-6 Food Production
- Bacteria: uses of bacteria in food industry.
- Fungi – Importance of mushrooms and yeast in food industry.
- Agriculture: cultivated crops (food-crops and cash crops), crops grown in India.
- Horticulture- vegetables, fruits, decorative plants, and flowers.
- Organic farming and green revolution in brief (awareness level).
- Animal husbandry: milk yielding (milch) animals; white revolution; meat providing livestock; draught animals (heavy work); poultry; fish farming (pisciculture); sericulture and apiculture (awareness level).
Students are advised to refer the concepts and numerical provided on our platform to get sparkling result
