Question

In what conditions following type of epidermis
are present in different plants:- [i] Thicker
epidermis a Epidermis root hairs
Epidermis with
waxy coating
​

Answer 1

Answer:

Cross-section of a flax plant stem:

• pith
• protoxylem
• xylem
• Phloem
• Sclerenchyma (bast fibre)
• Cortex

epidermis

The epidermis (from the Greek , meaning "over-skin") is a single layer of cells that covers the leaves, flowers, roots and stems of plants. It forms a boundary between the plant and the external environment. The epidermis serves several functions: it protects against water loss, regulates gas exchange, secretes metabolic compounds, and (especially in roots) absorbs water and mineral nutrients. The epidermis of most leaves shows dorsoventral anatomy: the upper (adaxial) and lower (abaxial) surfaces have somewhat different construction and may serve different functions. Woody stems and some other stem structures such as potato tubers produce a secondary covering called the periderm that replaces the epidermis as the protective covering.

Explanation:

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