Biology for IGCSE & O level - Transport In Plants (Section 5 - No. 16)
Which of the following is a key characteristic of sieve tube elements?
They have thick, lignified walls.
They have perforated end walls (sieve plates).
They are dead cells.
They are involved in water transport only.
Explanation
Sieve tube elements have sieve plates to facilitate the movement of sugars in phloem.
Comments (0)
