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Which one of the following statements is true ?A. The collenchyma occurs in layers below the epidermis in monocotyledonous plantsB. Sclerenchyma cells are usually dead and without protoplastsC. Xylem parenchyma cells are living and thin-walled and their cell walls are made up of ligninD. The companion cells are specialised sclerenchymatous cells |
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Answer» Correct Answer - B Sclerenchyma are considered thick-walled lignified supportive tissue characterised by the absence of living protoplast. Their principal function is to provide mechanical support. |
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