A-LevelBiologyTransport in mammals9700/12 · Oct/Nov 2024 · Q321 Mark

Which row is correct for an artery?

This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.

Ainner layer: smooth layer of endodermis cells, middle layer: collagen, elastic fibres and smooth muscle, outer layer: collagen only

Binner layer: smooth layer of endodermis cells, middle layer: elastic fibres and smooth muscle only, outer layer: collagen and elastic fibres

Cinner layer: smooth layer of squamous cells, middle layer: collagen, elastic fibres and smooth muscle, outer layer: collagen and elastic fibres

Dinner layer: smooth layer of squamous cells, middle layer: elastic fibres and smooth muscle only, outer layer: collagen only

✓ Correct answer

C: inner layer: smooth layer of squamous cells, middle layer: collagen, elastic fibres and smooth muscle, outer layer: collagen and elastic fibres

Oracle Prep sorts past-paper questions by topic, so you can drill Transport in mammals and see which topics are most likely to come up next.

Topic: Transport in mammals, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, Oct/Nov 2024 Paper 1 Variant 2, question 32.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content