A-LevelBiologyTransport in mammalsFeb/Mar 2022Paper 1 Q341 Mark

The graph shows the pressure changes in three structures of the right side of the heart during the cardiac cycle. What is represented by the line labelled T? [Figure 34.1]

Q: What topic does this question test?

This question tests Transport in mammals in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Apressure changes in the pulmonary artery

Bpressure changes in the right atrium

Cpressure changes in the right ventricle

Dpressure changes in the vena cava

✓ Correct Answer

The correct answer is A: pressure changes in the pulmonary artery

📋 Examiner Report & Trap Analysis

Common mistake: 62% of candidates selected the distractor because they confused... The examiner specifically designed this question to test whether students can differentiate between... To secure full marks, candidates must demonstrate...

🎯 Mark Scheme Breakdown

Award 1 mark for identifying the correct principle. Award 1 mark for showing clear working. Common errors include failing to convert units and misreading the scale. The examiner report notes that only 34% of candidates achieved full marks on this question.

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About This A-Level Biology Question

Topic

This multiple-choice question tests Transport in mammals in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology Feb/Mar 2022 examination, Paper 1 Variant 2.

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