The component of soil which makes the air above the soil in a farm land shimmer on a hot summer day is
humus
air
water
sand
Which of the following present in soil has the smallest sized rock particles?
gravel
silt
clay
The process by which huge rocks are broken down into small particles by the action of sun's heat, wind, rain and flowing water, etc is called
farming
smothering
erosion
weathering
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
The removal of fertile top soil from land by wind or water is called soil
corrosion
effusion
diffusion
We should use clay idols and celebrate festicals in
villages
cities
an ecofriendly way
a happy environment
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
Which of the following do not cause soil pollution?
A. Jute bag B. Acid rain C. Cardboard D. Plastic bag
A and C
C and D
Chemical colours of idols make damage for
Faith
Culture
Goal
Environment
The best soil for growing wheat crop is
clayey soil
sandy soil
loamy soil
sandy- loam soil
