CAIE IGCSE Biology 21.2.4 Enzymes in Biological Washing Powders
Practise describing enzyme-containing washing powders and planning fair tests of stain removal under controlled conditions.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- identify protease, rather than ligase, lactase or pectinase, for use in biological washing powder
21.2.4—Use of biological washing powders that question 1
[Maximum number: 1]
Which enzyme would be used in a biological washing powder?
A
DNA ligase
B
lactase
C
pectinase
D
protease
D
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