Which is the layer just below the topsoi?
Sub soil
End soil
Main soil
core
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
What do each rock produce?
Same type of soil
Same size of soil
Its own type of soil
sand
Sand and gravel are mixed with cement to make:
Clay
Concrete
Tar
cement
Which one of the following is a mixture of loose pieces of rock and particles of sand and clay?
Rock
Gravel
Loam
stone
What do we call the dead and decaying plants and animals?
Humus
Matter
Plastic
Organics
Which one of the following is mainly a mixture of sand and clay?
What is used for making pottery?
Sandy soil
Stone
clay
The vegetable which grows well in the clay soil:
Chilly
Cucumber
Onion
Beans
Which of the following cannot hold water?
Sand
soil