DP Biology (first assessment 2025)

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Question 19N.1A.SL.TZ0.26

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Date November 2019 Marks available [Maximum mark: 1] Reference code 19N.1A.SL.TZ0.26
Level SL Paper 1A Time zone TZ0
Command term Determine Question number 26 Adapted from N/A
26.
[Maximum mark: 1]
19N.1A.SL.TZ0.26

The diagram shows the human heart.

[Source: adapted to remove labels and arrows, recoloured and relabelled from Wapcaplet/
https://commons.wikimedia.org/wiki/File:Diagram_of_the_human_heart_(cropped).svg]

 

After a red blood cell picks up oxygen in the lungs, which sequence shows the path it could take when passing through the heart during its circuit of the body?

A. I → II → III → IV

B. II → I → IV → III

C. IV → III → I → II

D. IV → III → II → I

[1]

Markscheme

B

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