CAIE IGCSE Biology 21.2.6 Fermenters Can Be Used Questions

Practise describing how bacteria and fungi are grown in fermenters to produce insulin, penicillin and mycoprotein.

Syllabus
2026–2028
Course
Biology 0610

Exam points

  • match bacteria or fungi with fermenter products such as insulin, penicillin and mycoprotein
  • interpret microorganism growth and product-concentration graphs to choose a harvest time
  • outline inoculation, growth, sampling, removal and purification in large-scale production

CAIE IGCSE Biology 21.2.6 Fermenters Can Be Used Questions question 1

[Maximum number: 1]

Bacteria are useful in biotechnology and genetic engineering.
Fig. 6.1 shows a photomicrograph of a bacterium.

Fig. 6.1

Fig. 6.1

Genetically modified bacteria are often grown in fermenters.

State the name of one commercial product, other than insulin, that is made in fermenters.

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