What do we call the dead and decaying plants and animals?
Humus
Matter
Plastic
Organics
In which layer of soil does plants grows
Sub soil
Top soil
Lava
core
Which is the layer just below the topsoi?
End soil
Main soil
What is used for making pottery?
Sandy soil
Gravel
Stone
clay
Which one of the following is a mixture of loose pieces of rock and particles of sand and clay?
Rock
Loam
stone
What do each rock produce?
Same type of soil
Same size of soil
Its own type of soil
sand
Which one of the following has particles smaller than gravel?
Sand
Rocks
Stones
Which one of the following can hold very little air?
Clay
Name the soil which is considered as best:
Concrete
On the basis of size of particles and amount of humus present in them, into how many kinds are the soil classified?
1
2
3
4
