Q. In soil profile, human is present in

A) Horizon-O
B) Horizon-A
C) Horizon-B
D) Horizon-C
Explanation

Humus is the fully decomposed organic matter mixed with mineral matter. It is dark brown or black in colour and is found in the region, a, or humio or melanised region or horizon-A of soil profile.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.