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CBSE - X
Transportation in Plants
Transportation in Plants
Source of minerals in Plants is soil, water and fertilizers. Need for transportation in Plants is to distribute water and nutrients to various parts. Vascular tissues are tissues that conduct water, minerals and nutrients throughout the plant body in higher plants. Xylem is a conducting tissue for water and minerals from roots to various parts of plant body. Transpiration is a process in which water evaporated from leaves through stoma. Root pressure is a phenomenon to absorb water from soil.
Guttation is appearance of xylem sap drops on tips and margins of leaves. Translocation is transport of nutrients from leaves to other parts of plant body. Phloem is a conducting tissue for nutrients from leaves to other parts of plant body. Active transport is transport of a substance across a cell membrane against the concentration gradient, requires an expenditure of energy.
