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Match List I with List II: List I List II A. Fragmentation I. Accumulation of a dark-coloured amorphous substance B. Leaching II. Degradation of detritus into simpler inorganic substances by bacterial and fungal enzymes C. Catabolism III. Water-soluble inorganic nutrients go down into the soil horizon and get precipitated D. Humification IV. Breakdown of detritus into smaller particles by detritivores Choose the corr

Options

  1. AA-II, B-III, C-IV, D-I
  2. BA-IV, B-III, C-II, D-I
  3. CA-IV, B-III, C-I, D-II
  4. DA-IV, B-I, C-II, D-III

Correct answer

B. A-IV, B-III, C-II, D-I

Step-by-step solution

According to NCERT, the steps of decomposition are defined as follows: Fragmentation: Detritivores (e.g., earthworm) break down detritus into smaller particles. Leaching: Water-soluble inorganic nutrients go down into the soil horizon and get precipitated as unavailable salts. Catabolism: Bacterial and fungal enzymes degrade detritus into simpler inorganic substances. Humification: Leads to the accumulation of a dark-coloured amorphous substance called humus that is highly resistant to microbial action. Therefore,

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