MCQ
Which process of decomposition is correctly described?
  • A
    Leaching - water soluble inorganic nutrients rise to the top layers of soil.
  • Fragmentation - detritivores break down detritus into smaller particles.
  • C
    Leaching - water insoluble inorganic nutrients go down into the soil.
  • D
    Humification - leads to accumulation of a dark colored amorphous substance called humus that is highly resistant to microbial action and undergoes decomposition at an extremely high rate.

Answer

Correct option: B.
Fragmentation - detritivores break down detritus into smaller particles.
b

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