First slide

Secondary Growth

Question

Duramen is

Easy

A

softwood devoid of vessels.
B

non-conducting heartwood.
C

non-porous wood with abundant vessels.
D

functional sapwood.

Solution

Heartwood is also called as duramen. It is dead and central wood of trees. Its cells usually contain tannins or other substances that make it dark in colour and sometimes aromatic.The heartwood does not conduct water but it gives mechanical support to the stem.

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