Which of the following xylem elements is characterized by being dead at maturity and having highly lignified, perforated end walls?
Show answer and explanation
Correct answer: Vessel elements
Vessels are advanced conducting elements found in angiosperms. Unlike tracheids, they possess perforation plates at their end walls, forming a continuous tube for efficient water transport.
Keep practicing
More Xylem questions
- What is the only living component of the xylem tissue in a mature plant?
- In the primitive vascular plants like Pteridophytes and most Gymnosperms, water conduction is primarily carried out by:
- Which type of xylem is formed first during primary growth and typically has narrow tracheary elements?
- The 'Endarch' condition of xylem, where protoxylem lies towards the pith and metaxylem towards the periphery, is characteristic of:
- Which thickening pattern of the xylem cell wall provides the least amount of secondary wall coverage?
- The 'Exarch' arrangement of xylem, where protoxylem is directed towards the periphery, is a diagnostic feature of: