Soil Science MCQ Questions and Answers Quiz

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

  1. 1

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

  1. 1

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

  1. 2
  2. 6
  3. 12

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

  1. 1350
  2. 5000
  3. 13500

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

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

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

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

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

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

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

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

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

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

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

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