Which of the following is known as sphere of rocks

The major component of soil is

Which one of the following is the most widespread most and productive category of soil

This soil is not suitable for agriculture

Oldest sedimentary rocks of the world has been identified in ________

Scientific study of rocks is called ________.

The “skin of earth” is _________.

_________ is known as the primary rocks.

Ignis means _____

Meta means _______

_____, _____ are the two types intrusive Igneous rocks.

Igneous rocks are called primary rocks.

Red soil is formed by the process of leaching.

Volcanic mountains are covered with sedimentary rocks.

The ligneous rocks are formed by the solidification of molten magma.

The presence of iron oxide makes red soil brown to red in colour.

Metamorphic rock and sedimentary rock.

Soil conservation and Soil erosion.

a) Igneous rocks are called the primary rocks.
b) Soil is the product of weathering of rocks.
c) Sedimentary rocks are the hardest ones.
d) Deccan plateau is the region of Igneous rocks.

a) Soil erosion decreases its fertility.
b) Dynamic metamorphism is caused by high temperature.
c) Soil is a renewable source.
d) Humus is a part of the top layer of soil.

a) Soil acts as natural filter of water and purifies it.
b) Soils are produced from rocks through the processes of weathering.
c) Black soil is not suitable for cotton growing
d) Soil supports ecosystem and play an important role.

How are igneous rocks formed?

Define ‘rock’.

What is soil conservation?

Classify and explain the rocks.

Classify and explain the soil?