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Biology Class 8 ICSE CISCE Topics and Syllabus

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Topics with syllabus and resources

1.00 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.
2.00 Reproduction in Plants
  • 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.
    • 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:
3.00 Reproduction in Humans
  • Animals:
    • Sexual reproduction in humans:
    • Main organs of male and female reproductive system
4.00 Ecosystems
  • 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.
5.00 Human Body: Endocrine System
  • 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.)
6.00 Human Body: Circulatory System
  • Circulatory System
    • 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 (A, B, AB and O): universal donor and universal acceptor.
    • Conditions related to the functioning of the heart: palpitations, cardiac arrest and hypertension.
    • Introduction of lymphatic system as a parallel circulatory system.
7.00 Human Body: Nervous System
  • Nervous System
    • 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.
8.00 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).
9.00 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).

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