A-LevelBiologyTransport in mammalsFeb/Mar 2018Paper 1 Q301 Mark
Which statement about the blood flow in the cardiac cycle is correct?
ABlood flows into the aorta through the semilunar valve due to contraction of the right ventricle.
BBlood flows into the left atrium through the pulmonary artery when the wall of the left atrium relaxes.
CBlood flows into the right atrium through the vena cava when the wall of the right atrium relaxes.
DBlood flows into the right ventricle through the semilunar valve due to contraction of the right atrium.
✓ Correct Answer
The correct answer is C. 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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