Which of the following phloem element is supportive in function?
Sieve tube
Phloem parenchyma
Companion cells
Phloem fibres
Phloem fibres provide support to the phloem tissue.
Question 22 The dead element present in the phloem is (a) companion cells (b) phloem fibres (c) phloem parenchyma (d) sieve tubes