Question

In the vascular bundle of the Ranunculus stem cross section, is the xylem closer to the epidermis or pith? Which vascular tissue has larger diameter? Which tissue has thicker walls and which tissue provides greater support?

Answer 1

Answer:

The xylem typically lies towards the axis ( adaxial) with phloem positioned away from the axis (abaxial). In a stem or root this means that the xylem is closer to the centre of the stem or root while the phloem is closer to the exterior.

Which tissue has thicker walls and which tissue provides greater support?

answer .... Sclerenchyma tissue, when mature, is composed of dead cells that have heavily thickened walls containing lignin and a high cellulose content (60%–80%), and serves the function of providing structural support in plants.

Explanation:

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Answer 2

Xylem Aorta,Sclerenchyma is the correct answer

Explanation:

In the vascular bundle of the Ranunculus stem cross section, is the xylem closer to the epidermis or pith:

• The xylem usually runs parallel to the axis (adaxial), while the phloem runs perpendicular to the axis (abaxial).
• This indicates that in a stem or root, the xylem is closer to the centre, while the phloem is closer to the outside.

Vascular tissue has larger diameter:

• The aorta (the body's biggest artery, with a diameter of 2-3 cm) divides into progressively smaller vessels, and all arteries of the systemic circulation branch from it.

Thicker wall tissue and support:

• The walls of sclerenchyma tissue are significantly thickened and lignified.In plant portions that have stopped elongating, sclerenchyma cells are the main sustaining cells.
• Sclerenchyma fibres are important economically since they are used to make a variety of fabrics (flax, hemp, jute, ramie).