Soil Formation and Types Quiz

What is the process of soil formation?

• Deposition of rocks

• Erosion of soil

• Weathering of rocks

• Transportation of minerals

Which of the following is NOT a step in the formation of soil?

• Expansion and contraction of rocks

• Cracking of rocks due to roots of plants

• Erosion of rocks by wind and water

• Freezing of water in cracks of rocks

What is the last stage in the formation of soil?

• Deposition of rocks

• Addition of organic matter

• Erosion of soil

• Transportation of minerals

Which process is NOT involved in the decomposition of rock particles?

• Oxidation

• Reduction

• Hydration

• Carbonation

Which layer of soil holds more water?

• A-Horizon (or Top-soil)

• B-Horizon (or Sub-soil)

• C-Horizon (or Sub-stratum)

• None of the above

Which type of soil is mainly made up of sand particles?

• Sandy soil

• Clayey soil

• Loamy soil

• Red soil

Which type of soil is ideal for growing cotton and sugarcane?

• Sandy soil

• Clayey soil

• Loamy soil

• Black soil

Which type of soil is found mainly in the plains of Haryana, Uttar Pradesh, Bihar, and West Bengal?

• Sandy soil

• Clayey soil

• Loamy soil

• Alluvial soil

Which type of soil is rich in iron and aluminum?

• Sandy soil

• Clayey soil

• Loamy soil

• Laterite soil

What is the main cause of soil erosion?

• Deforestation

• Over-grazing

• Poor farming methods

• Frequent flooding of rivers