Xylem Vascular Tissue
Xylem Vascular Tissue
Transport of Water and Minerals: Xylem tissue transports water and minerals. It consists of interconnected vessels and tracheids organized into continous conducting tubes stretching from the roots to the leaves. Plants absorb water from the soil through the root and transport it to the stem, leaves and flowers. Roots have hairs that are in contact with thin layer of water surrounding the soil particles.
Absorption of water: Absorption of water takes place by two methods:
Absorption of water takes place with the help of roots .Roots have root hairs that are unicellular, thin walled outgrowths of epiblema (skin of root). Root hairs increases the surface area which helps in maximum absorption of water.
Which of the following are correct ? (a) In plants water is absorbed by osmosis, while the minerals (such as nitrates, chlorides, sulphates, phosphates) are absorbed as ions by active transport. (b) Xylem are four type of cells : xylem vessels, xylem tracheids, xylem parenchyma and xylem fiber . (c) Root hairs decrease the surface area which helps in maximum absorption of mineral . | |||
| Right Option : B | |||
| View Explanation | |||
_____________ is responsible for water transportation in plant | |||
| Right Option : B | |||
| View Explanation | |||
The xylem in plants is responsible for transport of _______________________ . | |||
| Right Option : A | |||
| View Explanation | |||
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