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6.Anatomy of Flowering Plants
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A hundred year old tree which shows well marked annual rings in its trunk will have
A
An irregular number of annual rings which may increase or decrease all along the length of the stem
B
More than hundred annual rings at the base and only about $50$ rings at the apex
C
Only about a hundred annual rings at the base and an uniformly decreasing number of annual rings towards the apex
D
The same number of annual rings from the base of its trunk to its apex
Solution
(c) The number of annual rings in the oldest part of the tree corresponds to it’s age an uniformly decreasing number of annual rings towards the apex shows that is the younger part of the tree.
Standard 11
Biology
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