DP Biology (last assessment 2024)

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Question 23M.3.HL.TZ1.23a

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Date May 2023 Marks available [Maximum mark: 1] Reference code 23M.3.HL.TZ1.23a
Level HL Paper 3 Time zone TZ1
Command term State Question number a Adapted from N/A
a.
[Maximum mark: 1]
23M.3.HL.TZ1.23a
(a)

State where in the body the blood would be flowing at point X on the graph.

[1]

Markscheme

lungs/alveoli;

Examiners report

The majority of candidates correctly identified the lungs as the area in the body that corresponded to point X, the highest oxygen saturation point on the oxygen dissociation curve.

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