The cells of the epidermal tissue form a continuous layer without any intercellular space. The epidermis (from the Greek ἐπιδερμίς, 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. A waxy layer called cuticle, often covers the epidermal surface and prevents water loss. The periderm substitutes for the epidermis in mature plants. Think for a moment about what leaves put up with. This supplies oxygen to the living and metabolically active cells of the cortex, xylem and phloem. Why are Plant stems important? Epidermis is the outermost layer of cells covering the plant body, especially the leaves, stem and roots. asked Feb 6, 2018 in Class IX Science by saurav24 Expert (1.4k points) tissues. Epidermis: This system solely consists of the outermost skin or epidermis of all the plant organs beginning from the underground roots to the fruits and seeds.. Epidermis of leaves bear stomata for exchange of gases and transpiration. Updates? It performs the following important functions:- Cells of epidermis are water resistant thus prevent excess loss of water. A stem’s tissue consists of three general layers: the epidermis, ground tissue and vascular tissue. Although they serve a number of important functions, their primary role is to protect from a variety of harmful factors (environmental stressors) including microbes, chemical compounds as well as … 1 answer. asked Nov 29, 2017 in Class IX Science by ashu Premium (930 points) 0 votes. This layer represents the point of contact between the plants and the outer environment and, as such exhibits diversities in structure. This layer has a waxy cuticle and is protective in function. Its main function is to keep the leaf from drying out too fast, while being transparent to light. Plant stems perform a wide range of functions that have enabled various plant species to survive in different habitats. Epidermis the outermost, protoderm-derived, single layer of cells present around the stems, roots, leaves, flowers, fruits and seeds of plants. Explain in brief any three roles of epidermis in plants. The cuticle reduces water loss to the atmosphere, it is sometimes covered with wax in smooth sheets, granules, plates, tubes, or filaments. Each layer is important for the success of a plant in different ways. Q No 13: What is the role of epidermis in plants? Ans: Epidermis is present on the outer surface of the whole plant body. Epidermis: The epidermis is an outer layer of cells that covers many types of living organisms from plants to humans. 1 answer. Epidermis is important for plants where it performs the following essential functions: The below mentioned article provides an overview on the epidermal tissue system of plants. 2 See answers winniewambugu9 winniewambugu9 Answer: It forms a boundary between the plant and the external environment. Why is epidermis important for the plants ? Though only a thin layer of cells, a plant's epidermis is a very important tissue system. The stomata takes part in the important physiological functions like photosynthesis, respiration and transpiration etc. Epidermal cells include several types of cells that make up the epidermis of plants. 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. Why is epidermis important for plants ? 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