define protective tissue in plant
Answers
The protective tissue is those tissue, which is present in the outermost layer of the plant such as roots, stem, and leaves.
Protective tissue prevents desiccation, mechanical injury, and infection in plants.
They form a protective barrier which does not allow the entry of the pathogen into the plant
Epidermis is considered a protective tissue because its prime purpose is to form a physical barrier between the outside and inside of the body.
On the top stratum (layer) of the epidermis, the cells are dead, and so have no physiological function besides to form a barricade against the outside
The collenchyma is the typical supporting tissue of the primary plant body and growing plant parts, though it is kept with unaltered structure and function even in outgrown organs like stems, petioles, laminae or roots.
Often either phloem or xylem of the vascular bundles is associated with collenchyma cells.
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protective tissue are of 2 types
1. Epidermis -in Young plants