SOIL PROFILE

The given image represents a soil profile

Which layer of soil from the soil profile is likely to have small lumps of rocks?

• (a) A-horizon

• (b)Bedrock

• (c) B-horizon

• (d) C-horizon

Which of these options correctly describes the layer of the soil profile?

• (a) A-horizon --> hardest layer

• (b)C-horizon--> highest amount of humus

• (c) B-horizon --> lesser humus but more minerals

• (d) Bedrock --> porous and can retain maximum water

Which layer of soil contains lots of roots and minerals for growing plants?

• Topsoil

• Subsoil

• Bedrock

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-1

In which horizon do most animals such as earthworms live?

• Humus

• Topsoil

• Subsoil

• Parent Material

• Bedrock

The dark organic material formed in soil from the decayed remains of plants and animals

• humus
• decomposer
• loam
• erosion

Tags

NGSS.MS-LS2-3