Read the following text and answer the following question on the basis of the same :
all biomes of the earth constitute the earth's ecosystem. All flora and fauna occur in the lithosphere , atmosphere and hydrosphere along with the their environments . Air , water , soil , biota , temperature and light are the major environmental factors the directly affect the flora and fauna in different geological areas of the earth.
Edaphology is concerned with study of :

Options

A. Soil
B. Climate
C. Biota
D. Topography

Explanation

**Step-by-Step Solution:**

1. **Understanding the Term "Edaphology":**
- Edaphology is derived from the Greek word "edapho," which means soil, and "logy," which means study. Therefore, Edaphology is the study of soil.

2. **Focus of Edaphology:**
- Edaphology specifically focuses on how soil affects plant growth. It examines the physical, chemical, and biological properties of soil that influence the growth of plants.

3. **Distinction from Pedology:**
- It is important to differentiate Edaphology from Pedology. While both terms relate to the study of soil, Pedology is a broader term that refers to the general study of soils in their natural environment, including their formation and classification.

4. **Other Related Terms:**
- The study of climate is referred to as Climatology.
- The study of biota (living organisms) is covered under Ecology.
- The study of topography involves understanding the physical features of the earth, such as elevation and landforms.

5. **Conclusion:**
- Based on the definitions and distinctions made, Edaphology is concerned with the study of soil, particularly in relation to plant growth.

**Final Answer:**
Edaphology is concerned with the study of soil.

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