InterviewSolution
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InterviewSolution
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A protion of transverse section of root is shown in the diagram label 1 to 5 and also wirte the function of parts 1,4 and 5 briefly expanin the pathwyas 2 and 3 |
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Answer» Labelling of the parts/poathways Part1: 1. root hair ,4. endodemis and 5 casparian strip , pathways , 2. symplast 3. apoplast function of part 1,4 and 6 1. root hari the root hairs are unicellualr elongation of epidermal cells each root hari is about 0.05-1.5 mm long and 10 `mu m` wid e it has a central vaculle filled with cell sap which determines the osomotic relation of the cell root haris are specialized for absorption of water 4 endodermis it sia speical layer of laying of living cells that incloses the cascular cylinder of the root endodermis is called starch sheath in stms the major function of endodermis in roots is to prevent the loss of water and minerals 5 cas[parina strip The casparian strip present in the wasll of endodermal cells is made up of lignosuberin a waxy substance that prevent movemmnet of water and minerlas via cell wall route Pathways 2 and 3 ltbgt 2 symplat : water moves from cell to cell thorugh living cytoplasm and plasmodesmata 3 Apoplast : movement of water through non living cell walls and intercellular spaces |
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