The solum is comprised of

A. A, B and E horizons

B. A and B horizons

C. A, B and C horizons

D. A + regolith

Answer: Option A

Solution(By Examveda Team)

The solum (plural-sola) in soil science consists of the surface and subsoil layers that have undergone the same soil-forming conditions. The base of the solum is the relatively unweathered parent material. A surface layer that is 10 cm thick overlying bedrock can be called a solum.
The solum is comprised of A, B and E horizons.