How is soil formed?
By breaking down of mountains.
By breaking down of hills.
By breaking down of stones.
By breaking down of rocks.
Which is the effect of land pollution?
Various kinds of cancers
Asthma
Diarrhoea
Hypertension
Soil is classified into :
Four
Five
Three
Two
The processing of wearing away of rocks is called :
Weathering
Watering
Breaking
Squeezing
Which is the most suitable soil for plants to grow?
Sandy soil
Clayey soil
Red soil
Loam soil
Soil gets polluted by :
Dumping garbage in water bodies.
Smoke from vehicles and factories.
Chemicals getting thrown into the soil.
Burning garbage outdoors.
Which is important for the growth of plants?
Space
Pot
Land
Soil
Which is the smaller particle of soil?
Gravel
Sand
Humus
Silt
The mineral and organic material on the surface of the Earth is :
Rocks
Which is the most useful nutrient found in humus?
Carbon
Oxygen
Hydrogen
Nitrogen