Soil Science MCQs Quiz Multiple Choice Questions & Answers

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

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

2. Which soil horizon contains humus?

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

3. 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

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

1. clay
2. silt
3. sand

5. 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

6. 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

7. Lentils (masoor) and other pulses are grown in which of the following soil type?

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

8. Toys, pots, and statues are made up of which soil type?

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

9. Which topsoil is best suited for growing plants

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

10. Soil formation is a

1. slow process
2. fast process
3. rapid process
4. none of these

11. Soil that is filled with water is termed ?

1. soluble
2. saturated
3. hydrated

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

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

13. 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

14. Which type of soil is the least stable?

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

15. Which type of soil has an unconfined compressive strength of .5 to 1.5 tons per square foot?

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

16. You should never take samples of soil to test from a trench wall.

1. True Statement
2. False Statement

17. Type B soils may be cohesive or non-cohesive.

1. True Statement
2. False Statement

18. When using a pocket penetrometer or shear vane to measure soil strength, how many samples should you test?

1. 2
2. 6
3. 12

19. An average cave-in of five yards of soil will weigh how many pounds.

1. 1350
2. 5000
3. 13500

20. Percolation rate of water is the least in ?

1. sandy soil
2. clayey soil
3. loamy soil
4. none of these

21. The water holding capacity is the highest in

1. sandy soil
2. clayey soil
3. loamy soil
4. mixture of sand and loam

22. 1. The rotting dead matter in the soil is called ...............

1. Humus
2. Salt
3. Sugar
4. Protein

23. Breaking down of rocks by the action of wind and climate is called ...............

1. Weathering
2. Soil Vegetation
3. Cultivating
4. Percolation

24. The removal of land surface by water, wind or ice is known as .......................

1. Erosion
2. Weathering
3. Percolation
4. Retention

25. The soil containing the greater portion of big particles is called .................

1. Sandy soil
2. Loamy soil
3. Clayey soil
4. Bricks

26. The soil containing a greater portion of fine particles is called ...............

1. Sandy Soil
2. Loamy soil
3. Clayey Soil
4. Bricks

27. The soil containing the same amount of large and fine particles is called ...................

1. Sandy Soil
2. Loamy soil
3. Clayey Soil
4. Bricks

28. Water can drain easily through ............................

1. Sandy Soil
2. Loamy soil
3. Clayey Soil
4. Bricks

29. The type of soil suitable for growing paddy is ......................

1. Sandy Soil
2. Loamy soil
3. Clayey Soil
4. Bricks

30. 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