Why the cell walls of collenchyma tissues are unevenly thickened?

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Solution

In chollenchyma the cell walls are unevenly thickened due to deposition of excessive cellulose and pectin.

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Q. The cells of the ................ are polygonal in cross-section and have unevenly thickened walls.

Q. The cells of tissue A have small intercellular spaces, and their walls are thickened at the corners. The cells of tissue B do not have intercellular spaces, and the cell walls are thickened. Identify tissues A and B.

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