Differentiate between xylem and phloem ( based on the lesson Life Processes - Class 10 ) Thanks a lot !

Dear Student,
 

                                                                         PHLOEM                                                       XYLEM

 

Function: Transportation of food and nutrients from leaves to storage organs and growing parts of plant. Water and mineral transport from roots to aerial parts of the plant.
Movement: Bidirectional (Moves up or down the plant's stem from "source to sink") Unidirectional (Moves up the plant's stem)
Occurrence: Roots, stems and leaves Roots, stems and leaves
Additional Functions: Forms vascular bundles with xylem Forms vascular bundles with phloem and gives mechanical strength to plant due to presence of lignified cells.
Structure: Tubular with soft walled cells Tubular with hard walled cells
Elements: Sieve tubes, companion cells, phloem parenchyma, bast fibers, intermediary cells Tracheids, vessel elements, xylem parenchyma, xylem sclerenchyma
Nature of tissue: Living tissue Non living tissue at maturity

 

Image:Xylem-and-Phloem.jpg

Regards

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