Gujarati
Hindi
6.Anatomy of Flowering Plants
normal

Estimation of the age of the is done by

A

Counting the epidermal rings

B

Measuring the pith diameter

C

Counting the annual rings

D

Counting the late woods only

Solution

The spring wood is lighter in colour and has a lower density whereas the autumn wood is darker and has higher density. The two kinds of woods that appear as alternate concentric rings, constitutes an annual ring. Annual rings seen in a cutted stem give an estimate of the age of the tree

Standard 11
Biology

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