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Parenchyma collenchyma and sclerenchyma ...

Parenchyma collenchyma and sclerenchyma are kinds of simple permanent tissues in plants . Which of the following statements is true for collenchymas ?
A . Made up of dead cells .
B . Have very little inter cellular space
C . Cells are irregularly thickened at the corners
D . Cell wall contains lignin

A

A,B,C & D

B

B & C only

C

A, B & C only

D

B, C & D only

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