Question

functions of xylem and ploem​

Answer 1

Answer:

Explanation:

Xylem, plant vascular tissue that conveys water and dissolved minerals from the roots to the rest of the plant and also provides physical support. Xylem tissue consists of a variety of specialized, water-conducting cells known as tracheary elements.

Phloem is the vascular tissue in charge of transport and distribution of the organic nutrients. The phloem is also a pathway to signaling molecules and has a structural function in the plant body. It is typically composed of three cell types: sieve elements, parenchyma, and sclerenchyma.

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Answer 2

Answer:

Xylem  

• Xylem is the complex tissue of plants, responsible for transporting water and other nutrients to the plants.
• Xylem consists of dead cells (parenchyma is the only living cells present in the xylem).
• They comprise xylem vessels, fibre and tracheids.
• Xylem is located in the centre of the vascular bundle, deep in the plant.
• Their movement is unidirectional.
• Xylem transports only minerals and waters from the roots.
• Provide mechanical support.
• Xylem is the dead tissue at maturity, but no cell contents.
• Xylem often constitutes the bulk of the plant body.
• In the xylem, the conducting cells or tracheary cells are dead.

Phloem

• Phloem is living tissue, responsible for transporting food and other organic materials.
• Phloem mainly contains living cells (fibres are the only dead cells in the phloem).
• They comprise phloem fibres, sieve tubes, sieve cells, phloem parenchyma and companion cells.
• Phloem is located on the outer side of the vascular bundle.
• Their movement is bidirectional.
• Phloem transports food materials that are prepared by the green parts of the plants to other parts of the plant.
• Does not provide mechanical support.
• Phloem is the living tissue, but not with the nucleus.
• Phloem forms a small part of the plant body.
• In phloem, the conducting cells are living.

Explanation:

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