A. 3-4
B. 8-9
C. 6-7
D. 10-11
Related Mcqs:
- Removal of top soil by soil erosion result in the loss of soil:
A. Nitrites
B. Nitrates
C. Nitrogen
D. Nitric and nitrous acids - Dark coloured soils are considered most fertile as they contain:
A. Gravel and sand
B. Sand and calcium
C. Clay and humus
D. Silt and earthworms - In water logged soil plants cannot grow properly because the soil is:
A. Physiologically wet
B. Physiologically dry
C. Physically dry
D. None of the above - When a plant first begins to wilts permanently in a pot, its 54.5 gms of soil has 4.5 gms of water. The PWP of this soil is:
A. 4.50%
B. 9%
C. 8.25%
D. 16.50% - The ration of volume of pores in the soil to the total soil volume is referred to as:
A. Pore frequency ratio
B. Pore density ration
C. Pore abundance ratio
D. Pore space ratio - When a soil has been thoroughly wetted and then allowed to drain until capillary movement of the water has stopped, the water content of the soil will give an estimate of it’s:
A. Gravitational water
B. Capillary water
C. Field capacity
D. Storage capacity - Soil formed-after leaching and rich in Al and Fe is
A. Alluvial
B. Padsol
C. Laterite
D. None of these - As a result of fire, there is destruction of the following components of soil:
A. Litter
B. Organisms
C. Inorganic matter
D. All of these - The abbreviation CEC of soil broadly refers to:
A. Cation storage capacity
B. Reversible bending of cations
C. Excess of monovalent cations
D. Excess of polyvalent cations - Soil particles of size 0.03 mm belong to the class of:
A. Coarse sand
B. Silt
C. Fine sand
D. Clay
The correct answer to the question: "A fertile soil is likely to have a pH value of:" is "6-7 ".