Identify the wrongly paired stage of decomposition .
Catabolism-extracellualar enzymes
Fragmentation-reseroir of nutrients.
Mineralisation-release of organic nutrients
Humification-humus

Break down of complex organic matter into inorganic substances by decomposers is called decomposition . Some terms related to decomposition are given . Detritus , detritiv ores , fragmentation , leaching , catabolism , humification, mineralisation . Explain the above terms to give an outline of decomposition process.

Fragmentation, leaching and catabolism are some of the important steps of decomposition. Study the following statements I , ii and iii regarding these and select the correct option. (i) Detritivores (e.g., earthworm) breakdown detritus into smaller particles. (ii) Water soluble inorganic nutrients go down into soil horizon and get precipitated as unavailable salts. (iii) Decomposers (e.g., bacteria and fungi) secrete digestive enzymes and degrade detritus into simpler inorganic substances.