Question

The make up of soil according to proportion of sand, silt and clay is known as

• A. Soil texture
• B. Soil structure
• C. Soil horizon
• D. Soil health

Hint:

Soil texture:
- Determined by sand, silt, clay proportions.
- Example: Sandy loam, clay loam.
- Influences water holding capacity and drainage.

Answer 1

The Correct Option is A

Step 1: Understanding the Question:
This question tests knowledge of soil physical properties.

Step 2: Detailed Explanation:
The make up of soil according to the proportion of sand, silt, and clay is known as soil texture (A).
Soil texture is a permanent property of soil.
It determines the soil's water holding capacity, drainage, and nutrient availability.
Other terms:
- Soil structure (B): Arrangement of soil particles into aggregates.
- Soil horizon (C): Layers of soil.
- Soil health (D): Quality of soil for plant growth.
Thus, soil texture refers to the proportion of sand, silt, and clay.

Step 3: Final Answer:
Thus, the proportion of sand, silt, and clay is known as soil texture, which corresponds to option (A).
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