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Food production: micro-organisms and fish farming — Edexcel International GCSE Biology

How yeast and Lactobacillus are used to make bread and yoghurt, how fermenters work, and how fish are farmed.

Spec 5.5–5.9BUse of biological resources, subtopic 2 of 4

Revision notes

5 short notes, in the order of the specification.

  1. Yeast and bread making
  2. Practical: anaerobic respiration in yeastPractical
  3. Bacteria and yoghurt
  4. Industrial fermenters
  5. Fish farmingBiology only
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Exam questions

8 exam-style questions (26 marks), each with its mark scheme.

Answer the questions

Flashcards

16 cards: flip them, mark what you knew, and practise the rest.

Practise the cards

Mind map

The whole of use of biological resources on one page, so you can see where this subtopic fits.

Open the mind map

Practical sheet

Method, variables, risks and a results table, with questions to answer.

Print it

Free PDFs to print or save.