What is osmosis?
Explain Xylem Tissue and its parts
Answers
the process Bharat molecules of solvent tend to pass through cell membrane from a less concentrated solution into a more concentrated one
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Answer:
a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one is called osmosis.
Xylem: The xylem transports soluble mineral nutrients and water molecules from the roots to the aerial parts of the plant. It conducts in only a vertical direction unlike the phloem. Parts: It consists of tracheids, vessels, xylem parenchyma and xylem fibres.
What are the components or elements of xylem?
(1). Tracheids.
(2). Vessels.
(3). Xylem Fibres.
(4). Xylem Parenchyma.
Tracheids are elongated cells in the xylem of vascular plants that serve in the transport of water and mineral salts. Tracheids are one of two types of tracheary elements , vessel elements being the other. Tracheids, unlike vessel elements, do not have perforation plates
Vessel elements are the building blocks of vessels, which constitute the major part of the water transporting system in those plants in which they occur. Vessels form an efficient system for transporting water (including necessary minerals) from the root to the leaves and other parts of the plant.
The main functions of xylem parenchyma include:
Storage of food material in the form of starch, fats, tannins and crystals
Radial conduction of water takes place by the ray parenchymatous cell
Xylem parenchyma cells are closely connected to vessels or tracheids through outgrowths called tyloses
During drought or infection, these tyloses help to prevent damage of vascular tissues
Xylem parenchyma cells are involved in the maintenance of xylem transport capacity
xylem fibres help in support
Explanation: