Question

How do tracheids differ from other tracheary elements?

Answer 1

Tracheary elements:

1. The two tracheary elements include xylem vessels and tracheids.
2. Xylem vessels are tough, long-dead cells without cytoplasm.
3. They form the water-conducting system in plants.

Tracheid:

1. Tracheid is a single, elongated dead cell with pointed ends.

Tracheids	Other tracheary elements
1 Tracheids are imperforated structures so that they can retain the sap for a long time.	1 Other tracheary elements are perforated structures.
2. They are less efficient in the transportation of substances.	2. They are more efficient in the transportation of substances.
3. Their end walls are intact.	3. Their end walls are not intact as they are connected via perforations in their common walls.
4. Long tubular cells with tapering ends.	4. Cells are shorter. Cells are not as tapering as tracheids.