MCQ
Humus is
- ADark coloured amorphous organic matter rich in lignin
- ✓Dark coloured organic matter rich in cellulose
- CBoth $(a)$ and $(b)$
- DRed coloured substances rich in iron
✓
Answer
Correct option: B.
Dark coloured organic matter rich in cellulose
b
Humus is dark coloured amorphous substance rich in lignin and cellulose
Humus is dark coloured amorphous substance rich in lignin and cellulose
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