Lignin is deposited in a net-like manner...

Lignin is deposited in a net-like manner in which of the following types of thickening in inner walls of tracheids?
(1) Annular
(2) Spiral
(3) Scalariform
(4) Reticulate

A

Annula

B

Spiral

C

Scalariform

D

Reticulate.

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The correct Answer is:

C

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