Size of clay particle is___________________?

Related Mcqs:

1. An intrazonal group of dark calcareous soils high in clay and having mainly montmorillonitic type clay are called as:________?

   A. Regur B. Ragour C. Montmorillosol D. Regosol Submitted by: Shafiq Rehman...

2. Rocks formed from compacted clay or mud are called____________________?

   A. Shale B. Clay stone C. Sand stone D. None of the above...

3. The kaolininte is a layer silicate clay mineral, it is 1:1 type of mineral with___________________?

   A. 3-15 meq/100g CEC B. 40 meq/100g CEC C. 50 meq/100g CEC D. None of the above...

4. The little clay mineral is_____________________?

   A. Non-expending B. Expending C. None or little expending D. None of the above...

5. The clay fraction of the soil contains particles less than 0.002 mm. Particles <0.001 mm size:

   A. Soil Silt B. Soil colloids C. Soil loam D. Soil sand Submitted by: Shafiq Rehman...

6. The soil texture refers to the relative proportion of sand,__________ and clay:

   A. Stone B. Soil C. Rock D. Silt Submitted by: Shafiq Rehman...

7. Clay and humus particles are referred to as colloids and are less than 0.002mm. Due to their small size, colloids have ________________ surface area which provides surface for adsorption, catalysis, precipitation and microbial colonization:

   A. Extremely low B. Extremely high C. Very little D. None of these Submitted by: Shafiq Rehman...

8. Depending on the percentage of sand, silt, clay, soils are divided into _______ textural classes:

   A. 12 B. 13 C. 14 D. 09 Submitted by: Shafiq Rehman...

9. Which one of the following clay mineral has the highest CEC?

   A. Kaolinite B. Montmorillonite C. Vermiculite D. Illite Submitted by: Mir Mehrbiyar...

10. Inorganic constituents vary in size from fine clay particles _________ mm to large _________ mm gravel and rock:

    A. < 0.002 mm- >2 mm B. 0.5 mm – 1.0 mm C. 0.02 mm- 0.2 mm D. None of the above Submitted by: Shafiq Rehman...