CAIE IGCSE Biology 12.3.3 Anaerobic Respiration in Yeast
Practise stating the yeast anaerobic respiration equation and recognising alcohol and carbon dioxide in fermentation contexts.
- Syllabus
- 2026–2028
- Course
- Biology 0610
Exam points
- write glucose -> alcohol + carbon dioxide as the yeast anaerobic word equation
- use cloudy limewater, inflated apparatus or rising dough as evidence of CO2 production
- distinguish alcohol and CO2 in yeast from lactic acid produced in human muscles
12.3.3—Word equation for anaerobic question 1
[Maximum number: 1]
What is the word equation for anaerobic respiration in yeast?
A
glucose → alcohol + carbon dioxide
B
glucose → alcohol
C
glucose → lactic acid + carbon dioxide
D
glucose → lactic acid
A
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