World soil day is observed on

(a)

15th August

(b)

12th January

(c)

15th October

(d)

5th December

Fossils are found in

(a)

Sedimentary rocks

(b)

Igneous rocks

(c)

Metamorphic rocks

(d)

Plutonic rocks

The top layer of soil is called as

(a)

organic layer or humas

(b)

topsoil

(c)

subsoil

(d)

bedrock

Ideal soil for growing cotton is

(a)

Red soil

(b)

Black soil

(c)

Alluvial soil

(d)

Mountain soil

The major component of soil is

(a)

Rocks

(b)

Minerals

(c)

Water

(d)

All the above

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

(a)

Alluvial soil

(b)

Black soil

(c)

Red soil

(d)

Mountain soil

This soil is not suitable for agriculture

(a)

Alluial Soil

(b)

Desert Soil

(c)

Black Soil

(d)

Laterite Soil

To become a well matures soil, it takes ______ years.

(a)

200

(b)

2000

(c)

3000

(d)

400

________ part is composed of organic matter mixed with mineral matter.

(a)

Organic material

(b)

Sub soil

(c)

Top soil

(d)

Humus

Oldest sedimentary rocks of the world has been identified in ________

(a)

Greenland

(b)

Newzeland

(c)

England

(d)

Ireland