Decomposition process

2026 1 question

1. 1 Ecosystem Medium
   Match List I with List II:

   Pick the matching item from Column II for each row.

   Column I

   • i. Decomposition Match for i — a b c d
   • ii. Detritus Match for ii — a b c d
   • iii. Mineralisation Match for iii — a b c d
   • iv. Humification Match for iv — a b c d

   Column II

   • a. Accumulation of dark coloured amorphous colloidal substance
   • b. Release of inorganic nutrients by the activity of microbes in soil
   • c. Breaking down of complex organic matter into inorganic substances
   • d. Dead remains of plants and animals including fecal matter
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