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A-LevelBiologyThe mitotic cell cycleMay/June 2021Paper 2 Q68 Marks

The best time to obtain a clear image of chromosomes during a mitotic cell cycle is during the metaphase stage. Fig. 6.1 is a scanning electron micrograph of a group of human chromosomes at metaphase. [Figure 6.1]

Q: What topic does this question test?

This question tests The mitotic cell cycle in A-Level Biology (syllabus code 9700). It is worth 8 marks.

📋 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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About This A-Level Biology Question

Topic

This structured question tests The mitotic cell cycle in A-Level Biology (syllabus code 9700). It is worth 8 marks.

Source

This question appeared in the Cambridge A-Level Biology May/June 2021 examination, Paper 2 Variant 3.

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