A-LevelBiologyCell structureOct/Nov 2011Paper 1 Q51 Mark
The diagram shows a stage micrometer on which the small divisions are 0.1 mm. through an eyepiece containing a graticule. [Figure 5.1] The stage micrometer is replaced by a slide of a plant cell. [Figure 5.2] What is the width of a chloroplast?
A0.5 mm
B10 μm
C50 μm
D100 μm
✓ 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...
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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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