A-LevelBiologyCell membranes and transportOct/Nov 2015Paper 1 Q151 Mark

Which descriptions are correct for transport across cell surface membranes?

Q: What topic does this question test?

This question tests Cell membranes and transport in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Aactive transport exocytosis and osmosis

Bendocytosis and exocytosis facilitated diffusion and osmosis

Cexocytosis and active transport osmosis and endocytosis

Dfacilitated diffusion and exocytosis endocytosis and diffusion

✓ Correct Answer

The correct answer is B: endocytosis and exocytosis facilitated diffusion and osmosis

📋 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 multiple-choice question tests Cell membranes and transport in A-Level Biology (syllabus code 9700). It is worth 1 mark.

Source

This question appeared in the Cambridge A-Level Biology Oct/Nov 2015 examination, Paper 1 Variant 2.

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