A-LevelBiologyTransport in mammalsOct/Nov 2023Paper 1 Q311 Mark
The graph shows the changes in blood pressure and water potential across a blood capillary from the arterial end of the capillary to the venous end of the capillary. [Figure 31.1] What could result in an accumulation of excess tissue fluid?
Aan increase in concentration of large proteins in the blood plasma
Ban increase in blood pressure
Cdecrease in the concentration of small proteins in tissue fluid
Ddecrease in blood pressure
✓ 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...
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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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