Which one of the following cannot be an effect of soil erosion?
desertification
desalinisation
flooding
famine
Which of the following do not cause soil pollution?
A. Jute bag B. Acid rain C. Cardboard D. Plastic bag
A and B
B and C
A and C
C and D
We should use clay idols and celebrate festicals in
villages
cities
an ecofriendly way
a happy environment
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 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
B and D
Only D
In addition to the rock particles, the soil contains
air and water
water and plants
minerals, organic matter, air and water
water, air and plants
Which of the following cannot prevent soil erosion?
reforestation
deforestation
silviculture
plantation
One of the following is not a type of soil. This one is
loamy soil
silty soil
clayey soil
sandy soil
Soil if formed form
Rocks
Sand
Clay
Pebbles
Which of the following present in soil has the smallest sized rock particles?
gravel
silt
clay
sand
