WebGaseous exchange in woody plants takes place through A Stomata and lenticels B Xylem parenchyma and phloem fibre C Xylem and phloem D Xylem fibre and phloem fibre … WebWoody plants have a tough, waterproof outer layer of cork cells commonly known as bark, which further protects the plant from damage. Epidermal cells are the most numerous and least differentiated of the cells in the epidermis. ... Lenticels on the bark of this cherry tree enable the woody stem to exchange gases with the surrounding atmosphere ...
Woody plants carry gaseous exchange through (1) root …
WebIn woody plants, cork cambium is the outermost lateral meristem. It produces cork cells (bark) containing a waxy substance known as suberin that can repel water. The bark protects the plant against physical damage and helps reduce water loss. The cork cambium also produces a layer of cells known as phelloderm, which grows inward from the cambium. Webbark, in woody plants, tissues external to the vascular cambium (the growth layer of the vascular cylinder); the term bark is also employed more popularly to refer to all tissues outside the wood. The inner soft bark, or bast, is produced by the vascular cambium; it consists of secondary phloem tissue whose innermost layer conveys food from the … lan antihaft
MCQs for NCERT Class 10 Science Chapter 6 Life Processes
WebJun 8, 2024 · The epidermis of a leaf also contains openings, known as stomata, through which the exchange of gases takes place. Two cells, known as guard cells, surround each leaf stoma, controlling its opening and closing and, thus, regulating the uptake of carbon dioxide and the release of oxygen and water vapor. WebEach plant organ (roots, stems, leaves) contains all three tissue types: Dermal tissue covers and protects the plant, and controls gas exchange and water absorption (in … WebThese are "spongy" regions found on the bark of stems (and sometimes aerial roots) of woody vascular plants. These areas, which form around what used to be groups of stomates, allow gas exchange between … lan anydesk