A-LevelBiologyTransport in mammalsMay/June 2019Paper 1 Q311 Mark
The large arteries close to the heart have a thick elastic layer in their walls. Which statements about this layer are correct? 1 helps to maintain the blood pressure in arteries 2 reduces friction within the arteries 3 prevents too much pressure bursting the artery wall
A1, 2 and 3
B1 and 3 only
C1 only
D2 and 3 only
✓ Correct Answer
The correct answer is B. This question tests the candidate's understanding of transport in mammals within the Biologysyllabus. The examiner's mark scheme requires...
📋 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...
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