O-LevelBiologyTransport in Plants5090/12 · Oct/Nov 2019 · Q111 Mark
Which statements about root hairs are correct? 1 The cell membrane can allow movement of water and ions into and out of the cell. 2 The cell vacuole extends into the root hair. 3 They are formed as an extension of the outer layer of root cells.
A1, 2 and 3
B1 and 2 only
C1 and 3 only
D2 and 3 only
✓ Correct answer
A: 1, 2 and 3
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