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  • IGCSE Biology - 5a Food Production

IGCSE Biology - 5a Food Production

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New Edexcel IGCSE 9-1 4BI1 syllabus for 2017 first examined in 2019


Section 5a Food Production


Crop plants


  • 5.1 describe how glasshouses and polythene tunnels can be used to increase the yield of certain crops
  • 5.2 understand the effects on crop yield of increased carbon dioxide and increased temperature in glasshouses
  • 5.3 understand how the use of fertiliser can increase crop yield
  • 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 understand the role of yeast in the production of food including bread
  • 5.6 practical: investigate the role of anaerobic respiration by yeast in different conditions
  • 5.7 understand the role of bacteria (Lactobacillus) in the production of yoghurt
  • 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 microorganisms


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


New and updated resource for IGCSE 9-1- More practical pages, updated design, concept checker and exam style question for each topic.

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  • Home
  • Revision Courses
  • GCSE (9-1)
    • Topic 9
  • IGCSE (9-1)
    • 1 The nature and variety of living organisms
    • 2 Structures and functions in living organisms
    • 3 Reproduction and inheritance
    • 4 Ecology and the environment
    • 5 Uses of biological resources
    • IGCSE Revision Resources
  • Pre-U
    • 1 The Cell
    • 2 The Origin and Evolution of Life
    • 4 The Life of Plants
  • A Level
  • IB
  • Tutoring
  • Blog
  • Book me!