A. <7
B. >7
C. >7.0
D. 8.5
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
- Nitrogen & sulphur dioxide liberate from motor vehicles & industries. Nitrogen & Sulphur gases dissolve in the water vapour of atmosphere & form nitric & sulphuric acid. This rain water falls on soil as__________ & contaminates soil also:
A. Acid rain
B. Neutral rain
C. Both A & B
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
- Mineral soil contain organic carbon___________________?
A. >4%
B. 5%
C. <20%
D. >10% - 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
- Addition of sodium hexametaphosphate in soil for determination of soil texture causes__________________?
A. Agregation of soil particles
B. Cementing of soil particles
C. Dispersion of soil particles
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 - Being a soil scientist, do you know which is the popular book of soil science of Nyle.C.brady, 14th edition available in markets:
A. Fundamentals of soil
B. Essenttials of soil sciences
C. The nature and properties of soil
D. The mechanics of soilSubmitted by: Shafiq Rehman
- The major soil fertility problems in Pakistani soils deficiencies of N, P and Zn. Deficiencies K, Fe, and B also occur in specific crop genotypes or soil types, while deficiencies of S, Cu, and Mn are negligible. however, the common nutrient deficiencies are_________________: and some micronutrients including Mo?
A. N, P, K
B. Ca, Mg, S
C. both A & B
D. The above statement is wrongSubmitted by: Shafiq Rehman
- Pedogenic processes bring about changes in the parent materials in the form of _____________________, within the soil body (soil profile)?
A. Additions, losses
B. Transfers and transformations
C. both A and B
D. None of the aboveSubmitted by: Shafiq Rehman