The gas exchange system · 9700 past paper questions
The gas exchange system (9700) past-paper questions — marked instantly
These are real Cambridge Biology past-paper questions on The gas exchange system. Open one, attempt it, then upload your working — MarkScheme grades it against the official 9700 mark scheme so you see exactly where the marks are won and lost on this topic.
5 past-paper questions on The gas exchange system
With reference to Fig. 4.1 and Fig. 4.2, describe and explain how the changes that occur as a result of granuloma formation: •…
Practise the full question →Suggest and explain how a steep oxygen concentration gradient is maintained in the lungs.
Practise the full question →Microscope slides were prepared from two regions of the gas exchange system. Fig. 1.2 and Fig. 1.3 are photomicrographs of the…
Practise the full question →On Fig. 4.1, use a label line and label: • a bronchus • a bronchiole • a blood vessel.
Practise the full question →One consequence of the pneumonia that results from P. jirovecii infection is a decrease in the quantity of oxygen that is…
Practise the full question →
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