Give reasons for the following:
Q. Give reasons for the following:
(i) Cells of sclerenchyma tissue have a narrow lumen.
(ii) Branches of a tree move and bend freely in high wind velocity.
(iii) It is difficult to pull out the husk of coconut.
Ans.
(i) Sclerenchyma tissues have cell wall thickened due to lignin.
(ii) Branches of a tree have collenchyma tissue which provides them flexibility.
(iii) Husk of coconut is composed of sclerenchyma and the fibres are closely packed.
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