A-LevelBiologyCell structureMay/June 2023Paper 1 Q11 Mark
A graticule and a micrometer scale can be used to measure the size of biological structures that are viewed with a microscope. [Figure 1.1] Which row shows the correct locations for the placement of a graticule and a micrometer scale on the microscope shown?
Agraticule: 1, micrometer scale: 2
Bgraticule: 1, micrometer scale: 3
Cgraticule: 2, micrometer scale: 3
Dgraticule: 3, micrometer scale: 1
✓ 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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