CBSE Class 9 Science Chapter 5 Tissues Exercise Questions with Solutions to help you to revise complete Syllabus and Score More marks. (6). These are dead and thick walled cells. The cells consist of cytoplasm and nucleus that is surrounded by a cell wall. Tissues Class 9 Extra Questions Very Short Answer Type. → Parenchyma provides turgidity to cells. The parenchyma also acts as a storage tissue for food, air and water. Conjunctive parenchyma: Ø They form the conjunctive tissue of the stele of roots. The cells provide mechanical support to the plant body. Chapter-wise NCERT Solutions For Class 9 Science Chapter 6 Tissues (Biology) solved by Expert Teachers as per NCERT (CBSE) Book guidelines. → Chloroplast containing parenchyma tissue are chlorenchyma which perform photosynthesis such as mesophyll of leaves. Free Botany- Plant Anatomy PPT (Power Point Presentation): Structure, Classification and Characteristics of Parenchyma in Plants. Parenchyma may be compact or have extensive spaces between the cells. (5). Medullary parenchyma: Ø Medullary parenchyma occurs in the medullary ray of primary vascular tissue of stem.. Ø They are radially elongated cells with very thin walled cells.. Ø They allow radial condition of water and minerals. CBSE Ncert Notes for Class 9 Biology Tissues. 1. Name types of simple tissues. Answer: Simple permanent tissues are of three types: (1) Parenchyma (2) Collenchyma (3) Sclerenchyma. ii. Question 1. Parenchyma, in plants, tissue typically composed of living cells that are thin-walled, unspecialized in structure, and therefore adaptable, with differentiation, to various functions. Chlorenchyma and Aerenchyma Extra Questions for Class 9 Science Chapter 6 Tissues with Answers Solutions. Xylem is the water conducting element (transportation of water) … • This tissue provides support to plants. Parenchyma is found in all parts of plant such as cortex, pith, palisade, mesophyll, flower, seed etc; It is also found in vascular tissues. Different types of tissues perform different function.It is because of this division of labour that multicellular organisms are able to perform all functions efficiently. → In typical parenchyma chlorophyll is absent. Parenchyma is a term used to describe the functional tissues in plants and animals. Functions of parenchyma are as follows: • It serves as food storage tissue. Parenchyma Definition. i. Prosenchyma: it is long and tapering parenchymatous cell present in some plants. Parenchyma tissue is the most abundant type of tissue in plants. Page 73. It forms the major bulk of stem, roots, leaves, fruits and seeds. The tissue is composed of living cells, with various shapes, sizes and functions. Content: Parenchyma in Plants. • When the parenchyma cell contains chlorophyll in some situations, it performs photosynthesis. Name any two types of simple permanent plant tissues. Parenchyma tissues are found in the soft parts of plant such the roots, stems, leaves and flowers. Definition; Types; Characteristics; Structure; Functions; Definition of Parenchyma tissue. Such type of parenchyma tissue is called chlorenchyma. The cells in this tissue are loosely packed, as they contain large intercellular spaces between them. Types of parenchyma tissue. Class 9 Science Chapter 6 Extra Questions and Answers Tissues. Parenchyma and Sclerenchyma Tissues Parenchyma Tissue. Ø They can also store starch grains. This tissue is “functional” – performing tasks such as photosynthesis in plants or storing information in the human brain – as opposed to “structural” tissues like wood in plants or bone in animals.. (ii) Collenchyma → In hydrophytic plants aerenchyma (a type of parenchyma containing air spaces) provides buoyancy. Eg pericylce. XYLEM. 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