A. Contour terracing
B. Contour trenching
C. Beach terracing
D. None of these
Related Mcqs:
- The soil erosion on slopes proceeds in the following manner:
A. Gully – Rill – ravine
B. Rill – Ravine – Gully
C. Rill – Gully – Ravine
D. Ravine – Rill – Gully - Reclamation of denuded hill slopes are:
A. General considerations
B. Site conditions
C. Choice of species
D. Soil preparation
E. All of the above - This is the topmost tree formation in the Himalayas developed between about ______ on northerly aspects and perhaps 150 m. Higher on warmer slopes:
A. 3,350 m to 3,800 m
B. 4,450 m to 4,800 m
C. 5,550 m to 5,800 m
D. None of these - Moist depressions, steep cool slopes and the flatter deep soil carry deciduous broadleaved forest consisting of genera like:
A. Acer
B. Prunus
C. Fraxinus
D. Aesculus
E. All of the above - The major types of soil are recognized on the basis of their mode of accumulation and include:
A. Residual
B. Transported
C. Colluvial
D. Alluvial
E. All of the above - The percentage of run off water reaching the ocean and evaporation into atmosphere is respectively:
A. 27 & 73
B. 73 & 27
C. 37 & 63
D. 63 & 37 - The removal of weeds by ploughing is called:
A. Mulching
B. Fallowing
C. Tilling
D. Contour farming - The soil permeability can be decreased due to blockers called:
A. Pans
B. Peds
C. Clods
D. None of these - To prevent wind and water erosion, the crop is sometimes harvested in such a way that a basal stub of the plant is left behind. This phenomenon is called:
A. Ley farming
B. Mulching
C. Basin listing
D. Strip cropping - Material deposited by flowing water is called _______.
A. Alluvium
B. Alluvival Fans
C. Albedo
D. None of these
The correct answer to the question: "Digging pits on the slopes just for the accumulation of run off is called as:" is "Contour trenching".