2025 · Q38
Which of the following statements with reference to Humus is/are correct?
- 1It is a dark coloured amorphous substance.
- 2Being colloidal in nature, it serve as a reservoir of nutrients. Select the answer using the code given below:
General KnowledgeGeography
- A1 only
- B2 only
- CBoth 1 and 2
- DNeither 1 nor 2
Explanation
Both statements are correct. Humus is the dark-coloured, amorphous organic residue left after the decomposition of plant and animal matter. Being colloidal, it has a large surface area and high water-holding capacity, and it acts as a reservoir of plant nutrients, releasing them slowly to the soil.