What is the meaning of parenchyma collenchyma and sclerenchyma?
Answers
Parenchyma ➡️is a simple permanent plant tissue composed of thin-walled, unspecialized cells separated by intercellular spaces and which have not lost their power of division.
collenchyma➡️is a simple permanent plant tissue containing cells characterized by cell walls unevenly thickened with cellulose and hemicellulose and functioning mainly as flexible and supportive tissue.
sclerechyma➡️is also a simple permanent plant tissue containing dead cells with heavily lignified cell walls and functioning as a strengthening tissue.
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Parenchyma are living cells and is divided into arenchyma that helps plants float by buoyancy and chlorenchyma present of chlorophyll and colllenchyma is also a living cell it is easily bendable but hard to break it gives mechanical strength to plants sclerenchyma it is dead tiseuse but very hard are closely packed usually present in the husk of a coconut