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Answer:

Lignin is found in plant cell wall, particularly in middle lamella of cell wall (eg. sclerenchyma tissue).

Role of lignin in plants:-

  • It helps in conduction of water.
  • It provides mechanical support to the plant.
  • It also nurtures resistance to many kinds of stress.
guptavedanshi7
Lignin is important for terrestrial plants by providing structural support for the upward growth of plants and enabling the long-distance water transportation, which are essential for the evolutionary adaptation of plants from the aquatic to terrestrial environment

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