Soil

C -horizon is also known as the______

• Top soil

• sub soil

• parent rock

• Bedrock

Why is Soil important?

• It's important for agriculture

• It provides nutrition to the plants

• It holds the plant firmly

• it causes soil erosion

_______ soil has high humus content

_______has poor water retention

• sandy soil

• clayey soil

• loamy soil

• gravel

Clayey soil has______ particles with small air spaces

______is called a farmers friend?

• Cow

• Earthworm

• Buffalo

• crow

The removal of the _______by wind and _____is called soil erosion

• sub-soil,

  birds

• top-soil,

  water

• parent rock,

  water

• top soil,

  rain

Black color soil is suited for growing_________?

• Cotton

• rice

• Suger cane

• potato

Causes of soil erosion?

• Deforestation

• floods

• terrace farming

• afforestation

Which type of soil has the highest water retention?

• loamy

• sandy

• clayey