Which of the following tissues is composed of dead cells?
Phloem tissue helps to conduct the food made in the leaves to all other parts of the plant. It consists of sieve tubes, companion cells, phloem fibres, and phloem parenchyma cells.
The endodermis is the main and innermost layer of the cortex in land plants.
The epidermis is the single layer of cells, found on the outer layers in different parts of a plant,
The xylem is the vascular tissue, which is composed of primarily two types of non-living cells: Xylem consists of tracheids, vessels, and xylem parenchyma and xylem fibres. The cells have thick walls, but many of them are dead cells.
So the correct option is C.