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Q: ............ denotes a mixture of fine soil particles and highly decomposed organic matter.
  • A. Loess
  • B. Marl
  • C. Peat
  • D. Muck
Correct Answer: Option D - Muck soil– It is the mixture of fine particle inorganic soil and back decomposed organic matter. • Found in marshy/swampy/after the overflow or river flood near forest area. Peat– It is highly organic soil which almost entirely consist of black decomposed vegetable matter in different stages of decomposition. • It is highly fibrous, compressible residual soil. Muck soil + Peat soil = Cumulose soil Marl soil– It is finely grained calcium carbonated soil of marine origin which is formed due to the decomposition of plants and bones of animals. • Chemical weathering • Residual soil • Andaman-Nicobar, west bengal coastal area. Loess– It is uniformly graded windblown silt, slightly cemented by calcium compound or montmorillonite.
D. Muck soil– It is the mixture of fine particle inorganic soil and back decomposed organic matter. • Found in marshy/swampy/after the overflow or river flood near forest area. Peat– It is highly organic soil which almost entirely consist of black decomposed vegetable matter in different stages of decomposition. • It is highly fibrous, compressible residual soil. Muck soil + Peat soil = Cumulose soil Marl soil– It is finely grained calcium carbonated soil of marine origin which is formed due to the decomposition of plants and bones of animals. • Chemical weathering • Residual soil • Andaman-Nicobar, west bengal coastal area. Loess– It is uniformly graded windblown silt, slightly cemented by calcium compound or montmorillonite.

Explanations:

Muck soil– It is the mixture of fine particle inorganic soil and back decomposed organic matter. • Found in marshy/swampy/after the overflow or river flood near forest area. Peat– It is highly organic soil which almost entirely consist of black decomposed vegetable matter in different stages of decomposition. • It is highly fibrous, compressible residual soil. Muck soil + Peat soil = Cumulose soil Marl soil– It is finely grained calcium carbonated soil of marine origin which is formed due to the decomposition of plants and bones of animals. • Chemical weathering • Residual soil • Andaman-Nicobar, west bengal coastal area. Loess– It is uniformly graded windblown silt, slightly cemented by calcium compound or montmorillonite.