Red soil is red in colour due to the high content of __________ in it
Red things
Iron
Magnesium
Copper
The nutrients of the soil ___________________ after crops are grown in it year after year.
Increases
Decreases
Not change
None of these
The spaces between the particles of soil is _________.
Holes
Tissues
Pores
Which of the following is an artificial manure?
Green leaf mannure
Humas
Urea
Cow dung
Which is the most fertile soil found in India?
Alluvial soil
Desert soil
Mountain soil
Laterite soil
The property of a soil which allows air and water to pass through is called______.
Rentention
Percolation
Porosity
The topmost layer of the soil is called___________.
Subsoil
Non-porous
Porous
Topsoil
The layer of soil beneath the topsoil is ___________.
Date palms and Cactus are the only vegetation that grow on ____________ soil.
Red soil
Black soil
The uppermost layer of the earth's surface is called _________.
mantle
core
crust
none
