Heart wood is the

Heart wood is softer than the sap wood and not durable.

Heart wood is softer than the sap wood and not durable.

Heart wood is resistant to micro organisms. Justify the statement.

Write 'True' or 'False'. Heart wood is softer than the sap wood and not durable.

Heart wood is more useful than sap wood . Justify .

Assertion (A) : Sap wood is vital to the plant but heart wood is not . Reason (R ) : When the heart wood of the tree is destroyed, no vital function of the plant is affected , when the sap wood is destroyed the plant will die, conduction of water is blocked.

Heart wood helps in

Heart wood helps in

Youngest heart wood is present