How many steps are named in the process of decomposition?
AFive steps
BNine steps
CSeven steps
DEleven steps
Answer & Solution
Correct answer: A. Five steps
1. Decomposition is not a single event but a sequence.
2. The steps run from breaking detritus up to releasing nutrients.
3. They are fragmentation, leaching, catabolism, humification and mineralisation.
4. That makes five steps in all.
_Source: NCERT Class XII Biology, Ch 12 'Ecosystem'_
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