A-LevelBiologyTransport in plants9700/12 · Feb/Mar 2023 · Q251 Mark
Which row correctly matches the structure and function of phloem sieve tube elements?
Aperipheral cytoplasm with no nucleus; to provide as little resistance to flow as possible
Bend walls modified to form sieve plates; to slow down the rate of transport of solutes
Celongated cells joined end to end; to form a tube to transport dissolved mineral ions and water
Dcellulose cell wall with no lignin; to prevent loss of water
✓ Correct answer
A: peripheral cytoplasm with no nucleus; to provide as little resistance to flow as possible
Practise more questions on this topic
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.
Sign up free →