Question : A transverse section of the trunk of atree shows concentric rings which are known as growth rings . How are these ringsformed ? What are the significance of these rings ?

Question : A transverse section of the trunk of atree shows concentric

1.	Question : A transverse section of the trunk of atree shows concentric rings which are known as growth rings . How are these ringsformed ? What are the significance of these rings ?
Answer» Solution :Significance of growth rings : 1. Age of wood can be calculated 2. The quality of timber can be ascertained 3. Radio- CARBON dating can be VERIFIED 4. Past climate and archaeological dating can be made . 5. Provides evidence in FORENSIC investigation