A-LevelBiologyTransport in plantsMay/June 2010Paper 1 Q81 Mark
Some soil-borne fungi cause wilting in crop plants by growing within the xylem vessels. Which process will be directly affected by these fungi?
Acohesion between water molecules
Bdevelopment of root pressure
Cmass flow during translocation
Duptake of water by root hair cells
✓ Correct Answer
The correct answer is A: cohesion between water molecules
📋 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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