Sclerenchyma cells are lignified to

This question is asking why Sclerenchyma cells are lignified. Sclerenchyma cells are a type of plant cell that have thick, lignified cell walls. These cells are important for providing strength and support to the plant. Option A is the correct answer because the lignification of Sclerenchyma cells is what makes them strong and rigid, allowing them to provide support for the plant.

It's important to note that lignin is a complex organic polymer that is very hard and resistant to decay. This makes it an ideal substance for strengthening and supporting plant tissues. Sclerenchyma cells are found in many parts of plants, including the stems, leaves, and roots. They are particularly important in plants that need to be able to withstand physical stress or pressure, such as trees and other woody plants.

While lignified cells are important for structural support, they are not involved in transporting synthesized food (Option B), conducting water and salt (Option C), or protecting the plant from injury (Option D). These functions are carried out by other types of plant cells, such as phloem and xylem cells, and specialized tissues like the epidermis and cork.

In summary, Sclerenchyma cells are lignified to provide strength and support to the plant. It's important to understand the different functions of different types of plant cells and tissues in order to appreciate the complexity and versatility of plants.