Mock Test on Soil Genesis

Soil with high silica and low bases is called:

• Acidic soil

• Alkaline soil

• Neutral soil

• Saline soil

The soil-forming process involving leaching of silica is:

• Podzolization

• Gleying

• Salinization

• Calcification

Pedocals are found in:

• Tropical regions

• Arid and semi-arid regions

• Temperate regions

• Polar regions

Red color in soil is due to:

• Organic matter

• Ferric oxides

• Clay minerals

• Calcium carbonate

The horizon showing maximum biological activity is:

• C-horizon

• B-horizon

• A-horizon

• E-horizon

The residual parent material is formed by:

• Transported processes

• In situ weathering

• Chemical weathering

• Physical weathering

The process of horizon development is called:

• Pedogenesis

• Soil formation

• Soil classification

• Soil erosion

Soils rich in calcium carbonate are termed:

• Acidic

• Calcareous

• Saline

• Alkaline

Soil aggregates are also called:

• Clods

• Peds

• Granules

• Particles

A soil order found in desert conditions:

• Mollisols

• Aridisols

• Entisols

• Histosols