Question

Arrange the following layers of soil in the correct order of their occurrence from topmost layer to the bottom most one.
Weathered rocks, Humus, Subsoil, Topsoil, Bedrock

• A. Topsoil, Subsoil, Weathered rocks, Humus, Bedrock
• B. Weathered rocks, Humus, Subsoil, Topsoil, Bedrock
  
• C. Humus, Topsoil, Subsoil, Weathered rocks, Bedrock
• D. Topsoil, Humus, Subsoil, Weathered rocks, Bedrock
  

Answer 1

The correct option is C Humus, Topsoil, Subsoil, Weathered rocks, Bedrock

Humus is the rotting dead matter in the soil which forms the topmost layer of the soil. Humus is followed by topsoil, subsoil, weathered rocks and then bedrock as the bottom most layer of soil.