Question 2: Name the three types of transpiration. Tags: ... Dermal, Vascular and epidermis . The epidermis is the outer layer of your skin, and it plays an important role in protecting your body from things like infection, UV radiation, and losing important nutrients and water. The epidermis is formed of single contimous layered cells. CBSE; ... Q13: What is the role of epidermis in plants? Answer: Cells of epidermis forms a continuous layer without intercellular spaces. Made up of epidermal cells, the epidermis in plants also serves as a protective layer that not only prevents various microorganisms from gaining entrance into the underlying tissue of leaves and stems, but also prevents excess water loss among a few other … answer choices . The term xylem is derived from the Greek word – ξύλον (xylon), meaning wood. Prev ques Next ques. It is coated with cuticle, which is very impermeable to water, making it indigestible by most pathogens and thus keeps water in the plant and pathogens out. Secretion of waxy-water resistant layer on their outer surface. Tissues consist of similar types of cells performing the same function. Collenchyma, plant support tissue composed of living elongated cells with irregular cell walls that are able to extend and can thus accommodate growing tissues, such as stems and leaves, and form the chief supporting tissue in herbaceous plants. (ii) Lenticular transpiration. The plants have three types of tissues, and the epidermal tissue is the one that covers the external surface of the herbaceous plants. toppr. All living organisms including animals, plants, and microbes are made up of cells. Epidermis is thick in desert plants and are covered with waxy cuticle layer in order to avoid excess loss of water through transpiration due to excess heat. Small pores, called stomata, are present on the leaf, and help in the exchange of gases and water. Root hair present on epidermis of root help in absorption of water and mineral from soil. Answer: The functions of epidermis are: Epidermis is usually made up of a single layer of cells and gives protection. (i) Aquatic plants (ii) In desert plants (iii) In terrestrial plants. Answer. Epidermis is the outermost protective layer of plant organs. Name a plant tissue having dead cells. This tissue is composed of epidermal cells, which are clustered cells that secrete a waxy cuticle, which plays a role in preventing water loss. It protects all the parts of plants. HARD. All three types of plant cells are found in most plant tissues. Three major types of plant tissues are dermal, ground, and vascular tissues. Epidermal cells on the aerial parts of the plant often secrete a waxy fluid protects the plant surface from mechanical injury and water loss. How does the cork act as a protective tissue? CBSE Guide Class 9. This ultimately helps in absorption of minerals by root tissues on account of build up root pressure. CBSE Guide Class Wise. Connective. Epidermal cells of roots have hairs that greatly increase the absorptive surface areas for the absorption of water and nutrients. Complex tissues are made of more than one type of cells. It protects all the external parts of the plant against loss of water, mechanical injury and invasion by parasites etc. Typically, animals and plants are multicellular while the microbes are unicellular.The cells in multicellular organisms are grouped to perform functional units called tissues. The protection of the underlying cells and tissues. NCERT Solutions. Since it has a protective role to play, cells of epidermal tissue form … Protection of all parts of plant. The epidermis may thicker in plants of dry habitats. 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