1. (b) Forests
2. (c) both birds and animals
3. (d) Porcupine
4. (a) A tree
5. (b) Thermocol
6. (c) Porcupine
7. (a) semal, hornbill
8. (d) Ginger
9. (a) crown
10. (c) creating flood conditions.
11. In Forests, there will be no noise pollution because forests absorb noise.
12. a) True
b) False- In a forest, trees form the uppermost layer, followed by shrubs. The herbs form the lowest layer of vegetation.
c) True
d) True
13. grass→insects→frog→snake→eagle
14.
| Column I | Column II |
| a) Decomposers | iii) Microorganisms |
| b )Canopy | v) Branches of tall trees |
| c) Porcupine | iv)Wild animal |
| d) Humus | i) Dead plant and animal tissues |
| e)Forest | ii) Habitat for wildlife |
15. i) Leaves of the plants give out oxygen
ii) Plants consume Carbon dioxide to prepare their food by the process of photosynthesis.
iii) Decomposers play an important role in providing nutrients to plants.
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