Science, asked by RounakDadsena68, 9 months ago

Which of the following gives mechanical support to sieve tubes?
Oxylem fibre
O companion cells
Ophloem parenchyma
O phloem fibre
O Other:​

Answers

Answered by srdinakar2005
1

Answer:

(i) The sieve tube elements and companion cells are connected by pit fields present between their common longitudinal walls.

(ii) Phloem parenchyma is made of elongated non-tapering cylindrical cells that have a scanty cytoplasm.

(iii) Phloem fibers are made of parenchymatous cells.

(iv) Companion cells help in maintaining the pressure gradient in the sieve tube.

(v) The phloem parenchyma stores food material and other substances like resins, latex, and mucilage.

Answered by 1949abpatel
0

OTHER:Sclerenchymatous cells

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