Quarter 2 Quiz 2QUIZQUIZQUIZQUIZQUIZ.pptx

QUIZ FOR EARTH SCIENCE

1. Quarter 2 Quiz 2 Soil Resources

2. 1. What is soil primarily composed of? A. Minerals, organic matter, water, and air B. Sand, gravel, and stones C. Only organic matter D. Only minerals E. None of the above

3. 2. Which factor of soil formation refers to the type of rock from which soil develops? A. Time B. Parental Material C. Topography D. Plants and Animals E. Climate

4. 3. Which factor causes soil to develop distinct horizons over long periods? A. Climate B. Topography C. Time D. Plants and Animals E. Parental Material

5. 4. Steep slopes usually result in what type of soil? A. Deep and fertile B. Sandy and loose C. Rich in humus D. Shallow and easily eroded E. Waterlogged and sticky

6. 5. Which soil component comes from weathered rocks and determines soil texture? A. Inorganic Matter B. Organic Matter C. Soil Air D. Soil Water E. Humus

7. 6. What type of water in soil is most available for plant use? A. Gravitational water B. Capillary water C. Hygroscopic water D. Groundwater E. Saline water

8. 7. Which soil structure type is best for water infiltration and root growth? A. Blocky B. Platy C. Granular D. Prismatic E. None of the above

9. 8. A gray or blue soil color usually indicates: A. High fertility B. Rich organic matter C. High calcium content D. Poor drainage and lack of oxygen E. Good drainage

10. 9. Which soil horizon is known as the topsoil, vital for plant growth? A. A Horizon B. O Horizon C. E Horizon D. B Horizon E. C Horizon

11. 10. Which soil type has large particles, drains quickly, but is poor in nutrients? A. Clay B. Loam C. Silty D. Sandy E. Caliche

12. 11. In which soil forming regime does heavy rainfall wash away silica and bases, leaving iron and aluminum oxides? A. Podzolization B. Calcification C. Laterization D. Salinization E. Weathering

13. 12. Which soil forming regime often creates a hard caliche layer in dry regions? A. Laterization B. Podzolization C. Salinization D. Calcification E. Erosion

14. 13-15. Enumerate the soil profile in order (Horizons)