Diagram 1 and diagram 2 show how the transverse section through a leaf changes when the leaf is moved from solution X to solution Y. [Diagram 1 and Diagram 2 showing leaf sections in solutions X and Y] Which row describes the water potential of the leaf cells and surrounding solutions in diagram 2 compared with diagram 1?
✓ Correct Answer
The correct answer is A: water potential of leaf cells in diagram 2 compared with water potential of leaf cells in diagram 1: less negative water potential of solution Y compared with water potential of solution X: less negative
📋 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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