Question

The vessel elements of angiosperms differ from other elements of xylem in having

• A. simple pits on their radial walls.
• B. bordered pits on their lateral walls.
• C. simple and bordered pits on their end walls.
• D. simple perforation on their end walls

Answer 1

Answer: (D)

Vessel is a long cylindrical tube-like structure made up of many cells called vessel-members, each with lignified walls and a large central cavity. Vessel members are interconnected through perforations in their common walls. The presence of vessels is a characteristic feature of angiosperms