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Question
Ramya noticed a person was trying to break a coconut shell with a hammer. After reaching school she asked her teacher what makes the shell so tough?
Ramya noticed a person was trying to break a coconut shell with a hammer. After reaching school she asked her teacher what makes the shell so tough?
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Solution
The correct option is B Sclerenchyma
∙ Sclerenchyma is composed of long, narrow dead cells.
∙ These cells develop very thick walls due to the deposition of lignin. It provides strength to plant parts.
∙ There are two types of sclerenchyma cells- fibres and sclereids.
∙ Sclereids are short cells. They may occur singly or in clumps. They make up the hard seed coat of many seeds and hard coconut shell.
∙ Fibres are long, tapered cells in the vascular tissue of root and shoot. They make economically important plant fibres.
∙ Sclerenchyma is composed of long, narrow dead cells.
∙ These cells develop very thick walls due to the deposition of lignin. It provides strength to plant parts.
∙ There are two types of sclerenchyma cells- fibres and sclereids.
∙ Sclereids are short cells. They may occur singly or in clumps. They make up the hard seed coat of many seeds and hard coconut shell.
∙ Fibres are long, tapered cells in the vascular tissue of root and shoot. They make economically important plant fibres.
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