Difference between functions of xylem and phloem
Answers
XYLEM
xylem is defined as the vascular tissue present in the plants, which transports water and other dissolved nutrients from the root to the other aerial parts of the plant body to help in the nourishment process of the plant.
PHLOEM
phloem is defined as the vascular tissue present in the plants which transports sugars that are synthesised in the green parts of the plant body to all the parts of the plant to eat in the nourishment of the plant.
DIFFERENCES TABLE
XYLEM PHLOEM
Xylem transports water and minerals from the roots to aerial parts of the plant. Phloem transports sugars that are synthesized in the green parts of the plant to the other parts.
SITUATED IN
Xylem occupies the center of the vascular bundle. Phloem occupies outer side of the vascular bundle.
MADE UP OF
Xylem vessels are made up of lignin and Cellulose. Phloem is composed of five types of cells.
COMPOSED OF
Xylem comprises of fiber, xylem vessels and tracheids. Phloem comprises of sieve cells, sieve tubes, companion cells, Phloem fibers and phloem parenchyma.
HELP
Xylem helps the plants by giving mechanical strength to the plants. Phloem won't give any mechanical strength to the plants.
Answer:
Xylem:
Xylem is made up of tracheids, vessels, fibres, and parenchyma.
Tracheids and vessels are dead and are without protoplasm.
Tracheids and vessels are the main water transporting elements in flowering plants.
Xylem vessels are least developed in parasites succelents and hydrophytes.
The presence of vessels is the characteristic feature of angiosperms.
Xylem fibres are have highly thickened walls and obliterated central lumen.
Xylem fibres may septate or aseptate.
Xylem parenchyma cells are living. It stores food materials in the form of starch and fat other substances like tannins.
Phloem:
Phloem usually transports food materials from leaves to other parts of plants.
Phloem is composed of sieve tube elements, companion cells, phloem parenchyma, phloem fibres in angiosperms.
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