What are the constituents of phloem?

Q.:- What are the constituents of phloem?

 

Answer:-

The constituents of phloem tissue are:

(i) Sieve tubes (tubular living cells with perforated end walls)

(ii) Companion cell (living cells)

(iii) Phloem parenchyma (living cells)

(iv) Phloem fibres (non-living and sclerenchyma cells)