AP BIOLOGY

Detailed explanation-1: -Xylem is a complex permanent tissue specialized for transport of water and minerals. The cells of xylem are dead at maturity and devoid of protoplasm except for xylem parenchyma cells, which are living cells.

Detailed explanation-2: -They do not have any protoplasm at maturity. Tracheids are dead, tapered, and long lignified cells that are present in the xylem of plants. They are one of the water-conducting components in the xylem, which doesn’t have any protoplasm.

Detailed explanation-3: -Vessels are the main water transporting elements and devoid of protoplasm.

Detailed explanation-4: -Mature xylem consists of elongated dead cells, arranged end to end to form continuous vessels (tubes). Mature xylem vessels: contain no cytoplasm.

Detailed explanation-5: -In the stems of dicotyledonous plants, xylem vessels are found. These matured xylem vessels are dead and do not contain cytoplasm and cell organelles.