Q. Which horizon in soil profile is known as top soil?
A) O-horizon
B) A-horizon
C) B-horizon
D) C-horizon
Explanation
A horizon It is the upper most horizon of the soil, which is also called the top soil. This horizon contains mineral matter mixed with humus
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.