A-LevelBiologyTransport in plantsFeb/Mar 2024Paper 1 Q281 Mark
Which statement correctly describes the association between a companion cell and its sieve tube cell?
AThe companion cell provides all of the ATP used for energy-requiring processes in both types of cell.
BThe companion cell controls the active transport of molecules through the sieve plates.
CThe companion cell prevents side-to-side movement of assimilates between sieve tube cells.
DThe companion cell provides a nucleus that controls cellular activities in both types of cell.
✓ Correct Answer
The correct answer is D. 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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