A. Algae
B. Mycorrhizae
C. Grasses
D. All of these
Related Mcqs:
- Contour binding is done to check:
A. Rill erosion
B. Gully erosion
C. Ravine formation
D. Sheeterision - Removal of top soil by soil erosion result in the loss of soil:
A. Nitrites
B. Nitrates
C. Nitrogen
D. Nitric and nitrous acids - 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 - Terracing is done in:
A. Desert areas
B. Hilly areas
C. Dry areas
D. Plain areas - The fertility level of any soil is generally determined by:
A. Aeration and hydration
B. Humus and mineral contents
C. Humus, mineral and hydration level
D. All of these - If the top soil has been eroded, we retire a land and grow over it:
A. Lichens
B. Blue-green algae
C. Legumes
D. Grasses - Soil conservation means:
A. Prevention of spread of desert
B. To check soil erosion by wind and rains
C. To check soil erosion by afforestation
D. All of these
The correct answer to the question: "The soil binding is done in the best way by:" is "Grasses ".