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‘Among the followings, which statement (s) is/ are wrong with regards to soil profile-
(i) Soil profile depicts all of its horizon
(ji) Hard bedrock is denoted as horizon
(iii) The horizon E is known as master horizon
EXPLANATION
Aquatic Soil Mineralogy, Profile Horizons & S
- Soil Profile and Master Horizons:
- soil profile exposes distinct master horizons ($O, A, E, B, C, R$):
- (i) Soil profile depicts all of its horizons: Correct.
- (ii) Hard bedrock is denoted as horizon: Incorrect (Hard unweathered continuous bedrock is designated by the capital letter $R$ layer (bedrock), which is consolidated rock, not a true weathered soil horizon).
- (iii) The horizon $E$ is known as a master horizon: Correct ($E$ is the eluvial mineral master horizon characterized by leaching of silicate clay, iron, or aluminum).
- Therefore, statement (ii) is wrong.
- Correct Option: Option 2 ((ii)).
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