Question

Which plant tissue has heavy deposition of lignin?

Answer 1

sclerenchyma is the plant tissue that has heavy deposition of lignin. 
since it is dead therefore its major role is to provide support and strength to the plant.

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Answer 2

Answer:

Here's ur Answer Mate:-

Sclerenchyma is the plant tissue that has heavy deposition of lignin.

Hope it helps uh!