Soil Science MCQ Quiz - Multiple Choice Questions & Answers

1. Soil that is filled with water is termed ?

1. soluble
2. saturated
3. hydrated

2. What is another name for the mixed media test?

1. the pickle jar test
2. the olive jar test
3. the mason jar test

3. Which type of manual test is performed on a sample that is the size of a small plate?

1. the plasticity test
2. the dry strength test
3. the thumb penetration test

4. Which type of soil is the least stable?

1. Type A
2. Type B
3. Type C

5. Which soil horizon contains humus?

1. A-Horizon
2. B-Horizon
3. C-horizon
4. Bedrock

6. Which soil layer is made up of small lumps of rocks?

1. A-horizon
2. B-horizon
3. C-horizon
4. Bedrock

7. In addition to the rock particles, the soil contains

1. air and water
2. water and plants
3. minerals, organic matter, air and water
4. water, air and plants

8. What is the key component of soil that makes it more cohesive?

1. clay
2. silt
3. sand

9. Soil profile refers to an arrangement within a soil of

1. its horizontal layout
2. vertical layout
3. Size of soil particles
4. None of these

10. Which of the following soil type is loosely packed with large air spaces?

1. Sandy Soil
2. Clayey Soil
3. Loamy Soil
4. None of these