A. Homogenization
B. Pedoturbation
C. Lessivage
D. Melanization
Submitted by: Shafiq Rehman
Related Mcqs:
- Any material such as straw, sawdust, leaves, plastic films, & loose soil that is spread upon the surface of the soil to protect the soil & plant roots from the effects of raindrops, soil crusting, freezing or evaporation:
A. Mull
B. Mulch
C. Mycorrhizae
D. MuckSubmitted by: Shafiq Rehman
- Soil-forming minerals occurring in rocks do not contain any water, they undergo ______________ when exposed to humid conditions & break down as in chemical weathering process:
A. Carbonation
B. Acidification
C. Hydration
D. DissolutionSubmitted by: Shafiq Rehman
- Clear water with organic matter or sediment and minimum biological activity is known as__________________?
A. Oligotrophic
B. Mestrophic
C. Eutrophic
D. Hydrotrophic - The kind, rate and intensity and pedogenic processes are controlled by ________ ,soil-forming factors?
A. 6
B. 7
C. 4
D. None of the aboveSubmitted by: Shafiq Rehman
- Soil additive which stabilizes the soil, improves resistance to erosion, increases to permeability to air & water, improves texture, eases cultivation or otherwise improves soil quality:
A. Soil amendment
B. Soil conditioner
C. Both a & b
D. None of the aboveSubmitted by: Shafiq Rehman
- The soil samples are dried at _______________, for gravimetric soil analysis?
A. 110 0C
B. 120 0C
C. both A and B
D. 105 0CSubmitted by: Shafiq Rehman
- Weathering process-physical, chemical, and biological _______________, the rocks and minerals into simpler products which either accumulate in place or are transported to other places where they become soil parent materials?
A. Disintegrate
B. Disentigrate
C. Decompose
D. Both a & cSubmitted by: Shafiq Rehman
- A treeless artic plain is called as___________________?
A. Glaciers
B. Barren land
C. Tundra
D. None of the above - A soil is classified as sodic soil when______________________?
A. EC is 8.5
C. SAR is >13
D. All the above - Organic P content in soil, by ignition method is estimated by igniting the soil at ____________________?
A. 250ºC
B. 1000ºC
C. 550ºC
D. 1250ºC