The following sub-topics are covered in this section. Food production Selective breeding Genetic modification (genetic engineering) Cloning 2011 specification reference (a) Food production Crop plants 5.1 5.1 describe how glasshouses and polythene tunnels can be used to increase the yield of certain crops 5.2 5.2 understand the effects on crop yield of increased carbon dioxide and increased temperature in glasshouses 5.3 5.3 understand how the use of fertiliser can increase crop 5.4 5.4 understand the reasons for pest control and the advantages and disadvantages of using pesticides and biological control with crop plants Micro-organisms 5.5: slightly re-worded 5.5 understand the role of yeast in the production of food including bread 5.6: becomes a practical statement 5.6 Practical: investigate the role of anaerobic respiration by yeast in different conditions 5.7: was a bold statement 5.7 understand the role of bacteria (Lactobacillus) in the production of yoghurt 5.8: was a bold statement 5.8 understand the use of an industrial fermenter and explain the need to provide suitable conditions in the fermenter, including aseptic precautions, nutrients, optimum temperature and pH, oxygenation and agitation, for the growth of micro-organisms Fish farming 5.9: becomes a bold statement 5.9B understand the methods used to farm large numbers of fish to provide a source of protein, including maintaining water quality, controlling intraspecific and interspecific predation, controlling disease, removing waste products, controlling the quality and frequency of feeding, and selective breeding (b) Selective breeding 5.10: slightly re-worded 5.10 understand how selective breeding can develop plants with desired characteristics 5.11: slightly re-worded 5.11 understand how selective breeding can develop animals with desired characteristics (c) Genetic modification (genetic engineering)
The following sub-topics are covered in this section. Food production Selective breeding Genetic modification (genetic engineering) Cloning (a) Food production 2011 specification reference Crop plants 5.1 describe how glasshouses and polythene tunnels can be used to increase the yield of certain crops 5.1 5.2 understand the effects on crop yield of increased carbon dioxide and increased temperature in glasshouses 5.2 5.3 understand how the use of fertiliser can increase crop 5.3 5.4 understand the reasons for pest control and the advantages and disadvantages of using pesticides and biological control with crop plants 5.4 Micro-organisms 5.5 understand the role of yeast in the production of food including bread 5.5: slightly re-worded 5.6 Practical: investigate the role of anaerobic respiration by yeast in different conditions 5.6: becomes a practical statement 5.7 understand the role of bacteria (Lactobacillus) in the production of yoghurt 5.7: was a bold statement 5.8 understand the use of an industrial fermenter and explain the need to provide suitable conditions in the fermenter, including aseptic precautions, nutrients, optimum temperature and pH, oxygenation and agitation, for the growth of micro-organisms 5.8: was a bold statement Fish farming 5.9B understand the methods used to farm large numbers of fish to provide a source of protein, including maintaining water quality, controlling intraspecific and interspecific predation, controlling disease, removing waste products, controlling the quality and frequency of feeding, and selective breeding 5.9: becomes a bold statement (b) Selective breeding 5.10 understand how selective breeding can develop plants with desired characteristics 5.10: slightly re-worded 5.11 understand how selective breeding can develop animals with desired characteristics 5.11: slightly re-worded (c) Genetic modification (genetic engineering)