| Date | May 2011 | Marks available | 1 | Reference code | 11M.1.SL.TZ2.8 |
| Level | Standard level | Paper | Paper 1 | Time zone | Time zone 2 |
| Command term | Question number | 8 | Adapted from | N/A |
Question
What is the difference between galactose and lactose?
A. Lactose is a disaccharide and galactose is a monosaccharide.
B. Lactose is the product of anaerobic respiration in humans and galactose is the product of anaerobic respiration in yeast.
C. Lactose is an enzyme and galactose is a hormone.
D. Galactose is a sugar found in milk but lactose is not found in milk.
Markscheme
A
Examiners report
N/A
Syllabus sections
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