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NTSE Stage 2 SAT 2019 Exam Question Paper
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Question : 90
Total: 100
Sclerenchyma in plants is an example of simple permanent tissue comprising of two types of cells, sclereids and fibres. Why these cells are functionally important to the plants even after they die? Choose the correct alternative from the options given below.
Both are thin walled cells lacking intercellular spaces.
Walls in both the types of cells are thick and cutinized.
Walls in both the cell types are thick and usually lignified.
Both the cells are used for conducting solutes and providing strength to the plant.
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Solution:
Sclerenchyma cells (sclereids and fibres) have thickened lignified walls which make them strong and waterproof. They are commonly classified into support types and conducting forms.
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