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Date	November 2018	Marks available	1	Reference code	18N.1.HL:.tz0.9
Level	Higher Level	Paper	Paper 1	Time zone	time zone 0
Command term		Question number	9	Adapted from	N/A

Question

Which diagram below represents a reaction that forms a disaccharide?

Markscheme

D

Examiners report

Mid-ranking question.

Syllabus sections

Topic 3: Energy systems » 3.1. Nutrition » 3.1.5. Explain how glucose molecules can combine to form disaccharides and polysaccharides.

17N.2.SL.tz0.7a: Describe how a glucose molecule forms a polysaccharide molecule.
16N.2.SL.tz0.4a.ii: Explain how glucose molecules combine to form disaccharides and polysaccharides.
20N.1.SL.tz0.10:
Which is a condensation reaction?

A. Breaking of the bonds in glycogen and creation of a water molecule

B. Addition of two glucose molecules and creation of a water molecule

C. Breaking of the bonds in glycogen and absorption of a water molecule

D. Addition of two glucose molecules and absorption of a water molecule
21M.1.HL:.tz0.8: How do glucose molecules combine to form a disaccharide? A. Condensation reaction B....

Topic 3: Energy systems » 3.1. Nutrition

Topic 3: Energy systems