A-LevelBiologyGas exchange9700/12 · Oct/Nov 2011 · Q321 Mark
The first diagram shows a spirometer, which is an apparatus used to measure changes in lung volume. The cover rises during exhalation and falls during inhalation, producing a trace on a rotating drum. The second diagram shows a typical trace from a spirometer. [Figure 32.1] [Figure 32.2] Which would give the vital capacity?
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 + Y
BX – Y
CX + Y + Z
DX – Y + Z
✓ Correct answer
A: X + Y
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Gas exchange and see which topics are most likely to come up next.
Sign up free →