Question

why do Sclerenchymatous cells become dead after composition of Lignin​

Answer 1

Hey Mate Here Is Ur Answer

Lignin makes the cell wall impermeable so important substances are unable to pass through it as a result, cells become dead.

I Hope It Helps Uh

Answer 2

Answer:

Their main function is to provide strength and support to parts of the plant. Tracheids are dead and lignified cells. The deposition of lignin on cell wall is responsible to form a different type of thickenings