User interface language: English | Español

Date May 2016 Marks available 1 Reference code 16M.1.SL.tz0.11
Level Standard Level Paper Paper 1 Time zone time zone 0
Command term What Question number 11 Adapted from N/A

Question

What is the chemical composition of a glucose molecule?

A. CH3 and COOH

B. C, H and O

C. C, H, O and N

D. C, H and OH

Markscheme

B

Examiners report

A question about ‘composition’ i.e. AS 3.1.3 (and not ‘structure’ i.e. AS 3.1.4). A mid-difficulty question, with D as the main distractor closely followed by A.

Syllabus sections

Topic 3: Energy systems » 3.1. Nutrition » 3.1.3. State the chemical composition of a glucose molecule.
Topic 3: Energy systems » 3.1. Nutrition
Topic 3: Energy systems

View options