Question

What is the constituents of phloem

Answer 1

The constituents of phloem are  Sieve tubes, Companion cells,  Phloem parenchyma,  Phloem fibres.

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Answer 2

There are 4 constituents of phloem-

1. Sieve tubes-These are the tubular living cell with perforated end walls.
2. Companion cell- They are the living cells,which take part in loading and unloading of sugar into the sieve element.
3. Phloem fibers-They are the living cells and provide strength to the stem.
4. phloem parenchyma-These are the non-living ,schlerenchymatic cells .