InterviewSolution
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InterviewSolution
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Assertion : Growth rings are also called as annual rings. Reason : Generally growth ring is formed in each yearA. If both the assertion and the reason are true and the reason is a correct explanation of the assertionB. If both the assertion and reason are true but the reason is not a correct explanation of the assertionC. If the assertion is true but the reason is falseD. If both the assertion and reason are false |
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Answer» Correct Answer - A The activity of the cambium is commonly periodic in the temperate regions and the xylem produced during one growth period constitutes a growth layer. In transverse sections of stems and roots, autumn wood (summer wood) and spring wood appear in the form of distinct concentric circle known as the annual rings. Spring wood circle and autumn wood circle constitute an annual rings. Like this, year after year, such rings in the oldest part of the tree corresponds to its age. |
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