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Question
One can not find the age of a tree by its rings if that tree is located in which of the following forests?
One can not find the age of a tree by its rings if that tree is located in which of the following forests?
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Solution
The correct option is B Tropical evergreen
In temperate woody plants and in a few tropical trees, the activity of vascular cambium is seasonal and is seen only in the secondary xylem. The cambium is less active in autumn and more active in spring. Thus, in each year two zones of secondary xylem are formed and both can be easily demarcated. These two zones form an annual or growth ring. By counting the number of annular rings, it is possible to know the age of a plant. The tropical evergreen trees does not have these annular rings due to lack of major seasonal changes.So, the correct answer is 'tropical evergreen'
In temperate woody plants and in a few tropical trees, the activity of vascular cambium is seasonal and is seen only in the secondary xylem. The cambium is less active in autumn and more active in spring. Thus, in each year two zones of secondary xylem are formed and both can be easily demarcated. These two zones form an annual or growth ring. By counting the number of annular rings, it is possible to know the age of a plant. The tropical evergreen trees does not have these annular rings due to lack of major seasonal changes.
So, the correct answer is 'tropical evergreen'
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