One of the following is not a type of soil. This one is
loamy soil
silty soil
clayey soil
sandy soil
The manufacture of which of the following materials on a large scale is a cause of soil erosion?
A. Plastics B. Paper C. Polyester D. Plywood
A and B
B and C
B and D
Only D
In order to make fertile soil, the tiny rock particles should be mixed with
clay
silt
humus
sand
Soil contains
Waste material
Humidity
Rocks
Minerals
The water- holding capacity is highest in
mixture of sandy and loamy soils
The best soil for growing paddy is the one which has
low percolation rate of water
high percolation rate of water
moderate percolation rate of water
zero percolation rate of water
Which one of the following cannot be an effect of soil erosion?
desertification
desalinisation
flooding
famine
The component of soil which makes the air above the soil in a farm land shimmer on a hot summer day is
air
water
Which type of soil can lead to the maximum water- logging in the fields?
sandy loam soil
Water holding capacity of soil depends on
Soil type
Rain
Place
None of these
