Soil Profile
Soil Profile: Overview
In this topic, we will study the soil profile. Soil is made up of different layers. Humus is the dead matter that decomposes in the soil. Soil profile is the vertical section containing different layers of the soil.
Important Questions on Soil Profile
Unscramble the following jumbled word related to soil.
ZOINORH
Unscramble the following jumbled words related to soil.
ILOS FIPROLE
Read the following statement and give the appropriate term for it.
The process of movement of water into deeper layers of soil.
Gardeners gently dig up the soil around the roots of garden herbs (plants) frequently. Give reasons.
Match the animals in Column I with their natural place of dwelling (habitat) in column II.
| Column I | Column II |
| a) Earthworm | i) Sand and beaches |
| b) Garden lizard | ii) Burrows in soil |
| c) Crab | iii) Deep narrow holes is dry soil |
| d) Rodents | iv) Surface of soil |
| e) Scorpion | v) Surface of shaded moist soil |
| f) Snails and slugs | vi) A horizon of moist soils. |
Locate the following zones given as boxed items in the figure which shows a diagram of soil profile.
Top soil, Subsoil, C-horizon, Bedrock
A man digging a pit found that he could dig with ease initially, but digging became difficult as he went deeper. He could not dig beyond a depth of . Provide a suitable scientific explanation.
Is it a good practice to remove grass and small plants that are growing in an open, unused field? Give reason to support your answer.
Which of the following situations - ‘A’ or 'B’ - is advantageous for absorption of water and minerals? Why?
Situation 'A': Growth and branching of roots in the C-horizon.
Situation 'B': Growth and branching of roots in A and B-horizons.
Read the following statements with reference to the soil.
i) Weathering is a very fast process of soil formation.
ii) Percolation of water is faster in sandy soils.
iii) Loamy soil contains only sand and clay.
iv) Topsoil contains the maximum amount of humus.
Choose the correct statements from the above.
Soil conservation measures are mainly aimed at protecting which of the following?
