O-LevelBiologyTransport in Plants5090/12 · May/June 2017 · Q111 Mark
Which feature of root hairs suggests that they take up ions from the soil by active transport?
ATheir cell membranes are partially permeable.
BThey have a large surface area.
CThey have a lower water potential than the soil.
DThey take up ions more slowly in low oxygen concentrations.
✓ Correct answer
D: They take up ions more slowly in low oxygen concentrations.
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 →