A-LevelBiologyPhotosynthesisFeb/Mar 2022Paper 4 Q610 Marks
(a) The banana plant, Musa acuminata, is a tall herbaceous plant with very large leaves. Fig. 6.1 shows a banana plant. [Figure 6.1] An investigation was carried out to measure the net carbon dioxide uptake by a banana plant at different light intensities. Fig. 6.2 shows the results of the investigation. [Figure 6.2]
📋 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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