O-LevelBiologyRespiration5090/11 · May/June 2012 · Q171 Mark

The diagram represents the human respiratory system. [Figure 17.1] Which structures contain muscles that contract when breathing in?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

AX only

BX and Y only

CY and Z only

DX, Y and Z

✓ Correct answer

C: Y and Z only

Oracle Prep sorts past-paper questions by topic, so you can drill Respiration and see which topics are most likely to come up next.

Topic: Respiration, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, May/June 2012 Paper 1 Variant 1, question 17.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content