Q. What is the middle layer of the soil called?
Answer: B - Horizon
Notes: The different layers of the soil are arranged in a vertical manner, which is known as the soil profile. The middle layer has lesser humus content but is rich in minerals. Unlike the A-horizon which is loose and soft, this layer is harder and more compact. This is called the middle layer or the B-horizon.

This question is part of 40000+ General Studies MCQ Series Course on GKToday Android app. Question Number: 25 in Physical Geography - World Soils, Major Biomes in above course in App.