Question

Only living component of xylem tissue is/are

• A. xylem fibres
• B. xylem parenchyma
• C. trachieds
• D. vessels

Answer 1

The correct option is B

xylem parenchyma

The correct option is B.

Explanation of the Correct Option:

• Xylem is responsible for transporting water and minerals from roots to all parts of the plant.
• Xylem parenchyma is the xylem's living component, which is made up of parenchyma cells.
• Parenchyma cells have a thin cell wall.

Explanation of the incorrect options:

Option A:

• Xylem fibers are structural components of the xylem, non-living and composed of sclerenchyma cells.

Option C:

• Tracheids are composed of elongated cells, tapered at the ends and have their cell walls lignified.

Option D:

• Vessels are components of the xylem and are composed of individual xylem elements.

Therefore, the xylem parenchyma is the only living component of the xylem tissue.