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Anatomy of Flowering Plants — BIOLOGY STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceBIOLOGYAnatomy of Flowering Plants3 Marks
Question
Give atleast three points of differences between Heartwood and Sapwood.
✓

Answer

 
Heart Wood
Sap Wood
1
It is the central core of wood formed after a certain years of secondary growth.
It is the peripheral part of the wood, formed after certain years of secondary growth.
2
It is composed of dead cells and darker in colour.
It is composed of living cells and lighter in colour.
3
It has no function in conduction.
It helps in conduction.
4
As it contains extractives (gums, resins, tannins, etc), it is more durable and resistant to attack by microbes and insects.
As it does not have these extractives, it is less durable and resistant to attack by insects and microbes.

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