A-LevelBiologyCell structureMay/June 2018Paper 1 Q21 Mark
Which of these statements about light microscopy are correct? 1 The greater the resolution of a light microscope, the greater the detail that can be seen. 2 The greater the magnification of a light microscope, the greater the detail that can be seen. 3 Increasing the magnification of a light microscope up to its limit of resolution allows more detail to be seen. 4 The shorter the wavelength of light used in a light microscope, the greater the detail that can be seen.
A1, 2, 3 and 4
B1, 3 and 4 only
C1 and 2 only
D4 only
✓ Correct Answer
The correct answer is B: 1, 3 and 4 only
📋 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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