A-LevelBiologyCell structureFeb/Mar 2025Paper 1 Q51 Mark
X-ray analysis of fossilised cells found in rocks in central India dating back 1.6 billion years has revealed several features. 1 The cells are up to 145 µm long. 2 The cells are joined end to end to form filaments. 3 The cells contain some internal cell structures. 4 The cells are surrounded by a cell wall. Which two features, when taken together, provide most support for the conclusion that the cells are plant cells?
A1 and 3
B1 and 4
C2 and 3
D2 and 4
✓ Correct Answer
The correct answer is B. 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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