First slide

Secondary Growth

Question

Identify the wrong statement in context of heartwood.

Easy

A

It is highly durable.
B

It conducts water and minerals efficiently.
C

It comprises dead elements with highly lignified walls.
D

Organic compounds are deposited in it.

Solution

Heart wood comprises of dead elements with highly lignified walls and tyloses in vessel. Heartwood does not conduct water but it gives mechanical support to the stem. It is highly durable due to deposition of various substances like tannins, resins, oils, gums, aromatic substance sand essential oil.

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