A mineral seen as shiny particles in the sand:
Quartz
clay
mud
silt
Where is sandy soil usually found?
in desert areas
in polar areas
in equatorial areas
both a & b
Excess fertilizers make the soil
fertile
saline
harmless
harmful
Lichens grow on:
soil
water
rocks
pots
Black soil is best suitable for the growth of:
Sugarcane and cotton
date palms
coconut palms
wheat
Minute opening is called
ore
pore
core
sore
The top most layer of the earth is called:
Thermosphere
Lithosphere
Ozonosphere
Stratosphere
The different layers of soil from the surface to the bedrock below forms the:
parent rock
gravel
subsoil
soil profile
Sandy soil contains sand to about
10-15%
60-70%
70-80%
none of these
