Annual growth rings are formed due to the difference in cell size and density produced by the vascular cambium during different seasons. This dendrochronology technique is widely used for dating trees and studying past environmental conditions.
The age of a tree can be measured by
Asked in Assistant Conservator of Forest (ACF) 2012 · Topic: Plant Physiology (Plant Growth Regulators (Phytohormones): Auxins, Gibberellins, Cytokinins, Abscisic acid, Ethylene – their biosynthesis, transport, physiological effects, and mechanisms of action.)
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Answer: D. Counting the annual growth rings in a section of its stem
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