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O-LevelBiologyRespiration5090/11 · May/June 2013 · Q161 Mark

Which equation for anaerobic respiration in yeast is correct?

AC6H12O6 + 6O2 = 6CO2 + 6H2O
BC6H12O6 + 6O2 = 6CH3-CH2-OH + 6CO2
CC6H12O6 = 2CH3-CH2-OH + 2CO2
D6CO2 + 6H2O = C6H12O6 + 6O2

✓ Correct answer

C: C6H12O6 = 2CH3-CH2-OH + 2CO2

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About this question

Topic
Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source
O-Level Biology, May/June 2013 Paper 1 Variant 1, question 16.

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