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Question

The cross-section of a trunk of a tree showed 50 annual rings. The age of tree is

A
50 years
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B
50 months
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C
100 years
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D
25 years
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Solution

The correct option is A 50 years
As woody plants grow in diameter a new layer of wood is produced each year by the cambium. This layer is called as annual ring or growth ring. By counting the rings, the age of a tree can be determined. Therefore, the cross-section of a trunk of tree showing 50 annual rings is having 50 years of its age.

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