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प्रश्न
Micro-organisms act upon the dead plants to produce.
विकल्प
sand
mushrooms
humus
wood
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उत्तर
humus
Explanation:
Micro-organisms decompose dead plant material, breaking it down into a dark, organic substance called humus. This enriches the soil with nutrients and enhances its fertility and structure.
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संबंधित प्रश्न
Explain the role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere.
Which of the following statements is not correct?
Identify the biotic component.
Which of the following is the ‘biodiversity hot spots'?
When we destroy a forest, we destroy ______
Who started chipko Andolan?
State whether the following statement is true or false. If false, give the correct statement.
The forest keeps on growing and changing and can regenerate
Give names of any four birds which you expect to see in a forest.
Match Column I with Column II
| Column I | Column II | ||
| (a) | Decomposers | (i) | Dead plant and animal tissues |
| (b) | Canopy | (ii) | Habitat for wild life |
| (c) | Porcupine | (iii) | Micro-organisms |
| (d) | Humus | (iv) | Wild animal |
| (e) | Forest | (v) | Branches of tall trees |
“Forests are our lifeline.” Write five sentences on this topic.
