Which one of the following is the correct sequence of a typical soil profile from top to bottom ?
Topsoil, Humus, Eluviation zone, Subsoil, Weathered parent material
Subsoil, Topsoil, Humus, Weathered parent material, Eluviation zone
Humus, Subsoil, Topsoil, Eluviation zone, Weathered parent material
Humus, Topsoil, Eluviation zone, Subsoil, Weathered parent material
Answer is Wrong!
Answer is Right!
This question was previously asked in
UPSC Geoscientist – 2024
– Key horizons: O, A, E, B, C, R.
– Humus is organic matter, typically in O or mixed with A.
– Eluviation (E) is leaching from upper layers, Illuviation (accumulation) is in B.