A-LevelBiologyCell structureMay/June 2019Paper 1 Q11 Mark
The actual length of a cell structure is 8 µm. Which steps are used to calculate the magnification of an electron micrograph of this cell structure? step 1 measure the length of the cell structure image on the micrograph in centimetres step 2 measure the length of the cell structure image on the micrograph in millimetres step 3 divide the image length by 1000 step 4 multiply the image length by 1000 step 5 divide by 8 step 6 multiply by 8
Asteps 1, 3 and 6
Bsteps 1, 4 and 6
Csteps 2, 3 and 5
Dsteps 2, 4 and 5
✓ Correct Answer
The correct answer is D. 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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