Epidermis is protective in function, the cells of epidermis form a continuous layer without any intercellular spaces. Most epidermal cells are relatively flat. Often the outer and side walls are thicker than the inner walls. Their inner contents are similar to parenchyma cells, i.e., they have centrally placed vacuole, a nucleus and a thin peripheral cytoplasm.
(a) What is the function of epidermal cells of the roots? [1] (b) Name the small pores present on epidermis of leaf. [1] (c) Nametheepidermalcellswhichcontainchloroplasts. [1] (d) What are the functions of small pores found in epidermal cells of leaves?
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(a) It protect and cover the cell of the roots
(b) Epidermies made up of a elongated tubular cells which are compactly arranged without intercellular spaces...
(C)=Epidermal cells are generally parenchymatous and have small amount of cytoplasm with a large vacuole.
(D)Terrestrial plants have a layer of cuticle on epidermis which prevents excessive water loss due to transpiration.
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