A. Weathering
B. Gleization
C. Laterization
D. Pedogenesis
Related Mcqs:
- The phenomenon describing the formation of a blue-grey coloured layer at the bottom of the solum due to ferrous compounds is:
A. Gleization
B. Mineralization
C. Laterization
D. Podsolization - Soil erosion in plains consequent to rain fall is initiated by:
A. Rill erosion
B. Sheet erosion
C. Gully erosion
D. All of these - Removal of top soil by soil erosion result in the loss of soil:
A. Nitrites
B. Nitrates
C. Nitrogen
D. Nitric and nitrous acids - A passive factor which affects formation of soil:
A. Nature of parent material
B. Annual rainfall
C. Wind velocity
D. Mean temperature - The soil formation occurs in the following consecutive stages:
A. Weathering : sedimentation
B. Weathering : pedogenesis
C. Pedogenesis : weathering
D. Sedimentation : pedogenesis - 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 - The necessary human resources could be developed through a combination of activities initiated with the objective of:
A. Improving data management
B. Monitoring and research to improve enforcement of legislation, both facilitative and regulatory
C. Implementing appropriate and multiple use strategies
D. All of the above
The correct answer to the question: "Soil formation is initiated by the phenomenon of:" is "Weathering ".
