Question

Arrange the following soil horizons as they occur from top to bottom:
Horizons:
A. O horizon
B. A horizon
C. B horizon
D. E horizon
E. C horizon
Choose the correct answer from the options given below:

• A. (A), (B), (C), (D), (E)
• B. (A), (B), (D), (C), (E)
• C. (A), (D), (B), (C), (E)
• D. (A), (B), (D), (E), (C)

Hint:

Soil horizons reflect layers of soil development, with O being organic-rich and C containing the least weathered material.

Answer 1

The Correct Option is B

The correct order of soil horizons is:

• O horizon: Organic matter.
• A horizon: Topsoil with minerals and organic material.
• E horizon: Zone of leaching.
• B horizon: Subsoil where leached minerals accumulate.
• C horizon: Weathered parent material.