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Q: Which of the following types of soils is a fibrous aggregate of finer fragments of decayed vegetable matter?
  • A. Loam
  • B. Shale
  • C. Peat
  • D. Marl
Correct Answer: Option C - Peat is composed of fibrous particles of decayed vegetable matter. It is so compressible that it is entirely unsuitable to support any type of foundation. ex- in swamps. • Top soil is surface soil that supports plants. It contains a large quantity of organic matter and is not suitable for foundation. Loam– Loam is a mixture of sand, silt and clay, also known as garden soil. Muck = Inorganic + organic matter Humus = Top soil it contains partly decomposed organic material.
C. Peat is composed of fibrous particles of decayed vegetable matter. It is so compressible that it is entirely unsuitable to support any type of foundation. ex- in swamps. • Top soil is surface soil that supports plants. It contains a large quantity of organic matter and is not suitable for foundation. Loam– Loam is a mixture of sand, silt and clay, also known as garden soil. Muck = Inorganic + organic matter Humus = Top soil it contains partly decomposed organic material.

Explanations:

Peat is composed of fibrous particles of decayed vegetable matter. It is so compressible that it is entirely unsuitable to support any type of foundation. ex- in swamps. • Top soil is surface soil that supports plants. It contains a large quantity of organic matter and is not suitable for foundation. Loam– Loam is a mixture of sand, silt and clay, also known as garden soil. Muck = Inorganic + organic matter Humus = Top soil it contains partly decomposed organic material.