Question

The maximum amount of humus is found in _______.

• A. A horizon
• B. B horizon
• C. C Horizon
• D. Bedrock

Answer 1

The correct option is A A horizon

'A' horizon is the topmost layer of soil profile. The maximum content of humus is found in this layer. The humus content decreases as we move deeper. This is because most of the living organisms live in the topmost layer of soil i.e. 'A' horizon.