Question

A piece of wood having no vessels (trachea) must belong to

• A. Palm
• B. Teak
• C. Mango
• D. Pine

Answer 1

The correct option is D Pine

Xylem vessels

• Xylem vessel is one of the important tissues of the xylem.
• It consists of many cells forming a long cylindrical tube-like structure, having a central cavity and pits in it.
• The presence of xylem vessels is the characteristic feature of angiosperms.
• Pteridophytes and gymnosperms do not have xylem vessels.

Pine

Among the four given options, Pine is a gymnosperm which does not have xylem vessels.

Mango, teak and palm

Mango, Teak, and Palm belong to angiosperms. They possess xylem vessels.

Final answer: Option c. Pine.