Constituents of Soil


 
 
Concept Explanation
 

Constituents of Soil

Composition or Constituents of Soil:

The main constituents of soil are water, sand, clay, silt, pebbles, and humus. The table gives the particle size of some of these constituents. The differences in the proportion of these constituents leads to the formation of different kinds of soils.

Main components of Soil are:

(i) Soil particles like sand, silt, clay, gravel, etc.

(ii) Humus, an organic matter formed by decomposition of dead organisms.

(iii) Air, water, soil organisms.

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Sample Questions
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Question : 1

In addition to the rock particles, the soil contain __________

Right Option : C
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Question : 2

Gravel can be easily  ___________ by hands.

Right Option : A
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Question : 3

Largest size particles of soil are ___________________

Right Option : B
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