Anatomy Of Flowering Plants Question 107

Question: The functional xylem of dicot tree is [AFMC 2001]

Options:

A) Sap wood

B) Hard wood

C) Heart wood

D) Autumn wood

Show Answer

Answer:

Correct Answer: A

Solution:

During the secondary growth, centrally located xylem become nonfunctional due to deposition of tannins etc.

the function of conduction of water and dissolved minerals from roots is now performed by outer younger rings of secondary xylem is called sap wood or alburnum.