5.Differentiate between parenchyma, collenchyma, sclerenchyma cells. (3)
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Answer:
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Parenchyma has a thin cell wall of their cells, and are made up of cellulose. Whereas collenchyma cells have an uneven cell wall made up of pectin and hemicellulose. There is a hard and thick cell wall present of the sclerenchyma cells, which is made up of the lignin.
Answer:
Parenchyma
It consists of thin-walled living cells.
They are involved in food storage.
Comprises of thin cell wall and made up of cellulose.
Collenchyma
It consists of thin-walled living cells.
They are the chief mechanical tissue in young plants, particularly dicot stems.
Comprises of uneven cell wall and is made up of pectin and hemicellulose.
Sclerenchyma
It consists of dead cells.
It is mainly a mechanical tissue
Comprises of hard and thick cell wall and is made up of the lignin.