FORESTRY
PLANT AND WOOD ANATOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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I. These tissues are found as layers or patches. II. lt consists of cells which are thickened at the corners. llI. It often contains chloroplast. IV. Intercellular spaces are absent. V They provide mechanical support to growing parts of plants.The above characters are attributed to
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vascular tissue
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collenchyma
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parenchyma
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sclerenchyma
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Explanation:
Detailed explanation-1: -Due to the hemicellulose, cellulose, and pectin deposits, the cells of collenchyma tissue are significantly thickened at the corners.
Detailed explanation-2: -Pectins are usually found in parenchyma, but additional materials are deposited on the cell wall according to the function, e.g., pectin in collenchyma, lignin in sclerenchyma, and suberin in cork cells.
Detailed explanation-3: -Cells of collenchyma are thickened with pectin, while cells of schlerenchyma are thickened with lignin.
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