A-LevelBiologyCell structureMay/June 2012Paper 1 Q21 Mark
A student was asked to draw a plan diagram of the plant tissue shown in the photomicrograph and to annotate two observable features. [Figure 2.1] What are the correct annotations?
Aepidermis darkly stained layer of cells, xylem hollow vessels
Bepidermis formed of single layer of cells, xylem strengthened by lignin
Cphloem small cells, xylem empty cells to transport water
Dvascular bundles arranged in a regular pattern, xylem large dead cells
✓ Correct Answer
The correct answer is A. This question tests the candidate's understanding of cell structure 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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