Which decomposition step releases inorganic nutrients from the humus?
AMobilisation
BMineralisation
CMemorisation
DModernisation
Answer & Solution
Correct answer: B. Mineralisation
1. Humification leaves behind a dark amorphous substance called humus.
2. Something further must free the nutrients locked inside it.
3. The humus is degraded by some microbes and inorganic nutrients are released by mineralisation.
4. So the answer is mineralisation.
_Source: NCERT Class XII Biology, Ch 12 'Ecosystem'_
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