The study of estimation of age of the tree by counting the number of annual rings is called

Options

A. Dendrology
B. Dendrochronology
C. Silviculture
D. Phenology

Answer

To solve the question regarding the study of estimating the age of a tree by counting the number of annual rings, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question asks for the specific term used to describe the method of estimating a tree's age by counting its annual rings.

2. **Identify the Options**: The options provided are:
- Dendrology
- Dendrochronology
- Silviculture
- Phenology

3. **Define Each Term**:
- **Dendrology**: This is the scientific study of trees and woody plants, but it does not specifically relate to counting rings.
- **Dendrochronology**: This is the scientific method of dating tree rings, which involves counting the rings to determine the age of the tree and can also provide information about past climate conditions.
- **Silviculture**: This refers to the practice of managing and cultivating forests, focusing on the growth and health of trees but not specifically on counting rings.
- **Phenology**: This is the study of seasonal natural phenomena in relation to climate, but it does not pertain to tree age estimation.

4. **Select the Correct Answer**: Based on the definitions, the correct term for the study of estimating the age of a tree by counting its annual rings is **Dendrochronology**.

5. **Conclusion**: Therefore, the answer to the question is **Dendrochronology**.