The lesson note includes details on niche, abiotic and biotic factors and their effects in the ecosystem, random and systematic sampling techniques, percentage abundance, methods of measuring abiotic factors, primary and secondary ecological succession and climax community.

This covers the topic photosynthesis comes under unit 4 biology in IAL and GCE AL. It includes notes on ATP, abiotic and biotic factors, chloroplast, light dependent photosynthesis, calvin cycle and starch.

The detailed note covers the sub topics, virus and bacterial structure, reproduction of bacteria, viral and bacterial life cycle, pathogenic nature of bacteria, transmission of pathogens, barriers for pathogens to enter, inflammation, specific immune response, antibodies, APCs, B cells, T cells, T killer cells, Hospital acquired infections, immunity, HIV and Tuberculosis.

The lesson note includes necessary notes on genome, proteome, allele, allele frequency, genetic diversity, gene pool, mutations, gene families, species, hybrid species, pre zygotic reproductive barriers, post zygotic reproductive barriers, geographical isolation and DNA profiling/DNA typing.

The complete note on energy transfer in the ecosystem includes GPP, NPP, factors affecting NPP and efficiency of energy transfer in community.

It includes a note on protein synthesis comes under forensics in IAL and GCE AL unit 4 biology. This covers a detailed description on amino acid, transcription, tRNA, genetic code, translation and post transcriptional modification.

The lesson note includes details on parts of digestive system, villus and its function, food tests, dietary fibers, measuring energy content in food, teeth and obesity.

The lesson note includes details on molecules, water, carbohydrates, proteins, lipids, DNA, RNA, Enzymes, Lipoproteins and Phospholipids.

The lesson note includes details on circulatory system in mammals, single and double circulation, cardiac cycles, blood vessels, blood clotting atherosclerosis, risk factors for CVDs and treatment of CVDs.

This is a lab note for the investigation of antimicrobial properties of garlic extract. It covers the complete method as well as all necessary information needed in discussion.