Age of a tree can be estimated by:

Age of a tree can be estimated by:
A diameter of its heartwood
B its height and girth
C biomass
D number of annual rings

Detailed Solution

One annual ring (spring wood plus autumn wood) forms each year, so counting the rings gives the age of the tree.

Secondary growth in past papers

6 questions from this chapter have appeared across 5 exam years.

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Practise Secondary growth All 6 questions This chapter in 2013 NEET