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STD 12 - 12. ecosystem — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 12. ecosystem4 Marks
MCQ
In which layer of soil decomposition occurs at maximum rate?
  • ✓
    Upper layer of soil
  • B
    Middle layer of soil
  • C
    Lower layer of soil
  • D
    None of these
✓

Answer

Correct option: A.
Upper layer of soil
a
Upper layer of soil. Decomposition is the process of breaking down a substance into its constituent parts. Decomposition of dead organic matter (plants, animals and waste products of animals) occurs in nature and it is also called decay or putrification. In a terrestrial ecosystem, the upper layer of soil is the main site of decomposition

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