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A-LevelBiologyCell membranes and transportFeb/Mar 2021Paper 4 Q510 Marks

Many processes and actions in plants and animals are due to the movement of ions. Table 5.1 lists several ions, the direction of movement of each ion and the action resulting from that movement.

Q: What topic does this question test?

This question tests Cell membranes and transport in A-Level Biology (syllabus code 9700). It is worth 10 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 Cell membranes and transport in A-Level Biology (syllabus code 9700). It is worth 10 marks.

Source

This question appeared in the Cambridge A-Level Biology Feb/Mar 2021 examination, Paper 4 Variant 2.

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