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STD 12 - 12. ecosystem — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 12. ecosystem1 Mark
MCQ
Humus is found in
  • ✓
    Top portion of soil
  • B
    Middle portion of soil
  • C
    Deep portion of soil
  • D
    None of these
✓

Answer

Correct option: A.
Top portion of soil
a
(a) Humus is found in top portion of soil. It is formed by dead organic material by the process of decomposition.

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