A-LevelBiologyTransport in plantsFeb/Mar 2017Paper 1 Q281 Mark
Which combination of features is characteristic of a phloem sieve tube element as it unloads into a sink? [Table 28.1]
Ahigher than sink absent
Bhigher than sink present
Clower than sink absent
Dlower than sink present
✓ Correct Answer
The correct answer is A. 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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