A-LevelBiologyTransport in plantsOct/Nov 2025Paper 1 Q291 Mark
Which row correctly describes the pressure in the xylem and the water potential in the root hair cells used in the transport of water in a transpiring plant?
Apressure in the xylem: positive, water potential in root hair cells: negative
Bpressure in the xylem: positive, water potential in root hair cells: positive
Cpressure in the xylem: negative, water potential in root hair cells: negative
Dpressure in the xylem: negative, water potential in root hair cells: positive
✓ Correct Answer
The correct answer is C. This question tests the candidate's understanding of transport in plants 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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