A-LevelBiologyTransport in plants9700/12 · May/June 2023 · Q261 Mark

Which row identifies cells with plasmodesmata?

Aphloem sieve tube element (present), companion cell (present), xylem vessel element (present)

Bphloem sieve tube element (present), companion cell (present), xylem vessel element (not present)

Cphloem sieve tube element (present), companion cell (not present), xylem vessel element (present)

Dphloem sieve tube element (not present), companion cell (present), xylem vessel element (not present)

✓ Correct answer

B: phloem sieve tube element (present), companion cell (present), xylem vessel element (not present)

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

Topic: Transport in plants, A-Level Biology (syllabus 9700). Multiple choice, 1 mark.
Source: A-Level Biology, May/June 2023 Paper 1 Variant 2, question 26.

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