File Details:

Questions:

1. Write about the components of Soil.
2. Prove that soil is a natural body.
3. What do you mean by soil genesis? Write the types of rocks in soil formation.
4. Define weathering of rocks and minerals and their active and passive factors for soil formation.
5. Enlist the various physical properties of soil.
6. What do you mean by soil density? Discuss the various factors affecting the soil density.
7. Define the soil texture. Write about the USDA triangle.
8. What do you mean by soil reaction? Discuss about the pH scale and their significance.
9. What is acid soil? Write the various types of soil acidity?
10. Write the types of acid soil. Describe the source of soil acidity.
11. Write the source of soil colour. Describe the munsell notations and their significance.
12. What do you mean by soil organic matter? Write the role of soil organic matter in physical, chemical and biological properties of soil.
13. What do you mean by salt affected soil? Explain the reclamation methods for saline soil in detail.
14. What are soil colloids? Describe the basic units of silicate clays in detail.