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NEET 2026
Exam
NEET
Year
2026
Subject
Botany
Chapter
Ecosystem

NEET 2026 · Botany · Ecosystem

Match List I with List II : List I List II A. Decomposition I....

Match List I with List II :
List IList II
A. DecompositionI. Accumulation of dark coloured amorphous colloidal substance
B. DetritusII. Release of inorganic nutrients by the activity of microbes in soil
C. MineralisationIII. Breaking down of complex organic matter into inorganic substances
D. HumificationIV. Dead remains of plants and animals including faecal matter

Choose the correct answer from the options given below :

Options

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

Correct answer

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

Step-by-step solution

Decomposition is the process of breaking down complex organic matter into inorganic substances like carbon dioxide, water, and nutrients.

Detritus constitutes the dead remains of plants and animals, including faecal matter, which serves as the raw material for decomposition.

Mineralisation is the process by which microbes further degrade humus to release inorganic nutrients into the soil.

Humification leads to the accumulation of a dark-coloured, amorphous, colloidal substance called humus, which is highly resistant to microbial action.

Thus, the correct matching is A-III, B-IV, C-II, D-I.

Answer: A-III, B-IV, C-II, D-I
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