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प्रश्न
“Forests are our lifeline.” Write five sentences on this topic.
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उत्तर
Forests are a very important renewable natural resource.
They are useful in the following ways :
- Plants in the forest purify air by absorbing CO2 and releasing O2 and also maintain a balance between O2 and CO2 in the atmosphere.
- Plants in the forest absorb water from the soil through their roots and release it into the air by the process of transpiration which increases the amount of water vapour in the air, and helps in cloud formation and rainfall. Thus, forests play an important role in the water cycle operating on the earth.
- Forests provide us with various products such as wood, gum, medicines fruits, latex, etc.
- The roots of trees in the forest bind the soil particles together which helps in preventing soil erosion. Moreover, the raindrops do not fall directly on the forest floor with full force due to the presence of plants in different layers in a forest which prevents flooding.
- Forests help in maintaining the water table by harvesting the rainwater.
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संबंधित प्रश्न
In the figure, the artist has forgotten to put the labels and directions on the arrows. Mark the directions on the arrows and label the diagram using the following labels:
clouds, rain, atmosphere, carbon dioxide, oxygen, plants, animals, soil, roots, water table.

Which of the following is not a forest product?
Micro-organisms act upon the dead plants to produce.
Which of the following canals brought about greenery in Rajasthan?
Which of the following is not a use of forest?
In our country, vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes ______
Given below are a few statements related to biodiversity. Pick those that correctly describes the concept of biodiversity.
i. Biodiversity refers to the different species of flora and fauna present in an area
ii. Biodiversity refers to only the flora of a given area
iii. Biodiversity is greater in a forest
iv. Biodiversity refers to the total number of individuals of a particular species living in an area
Choose the correct option from the following.
Arabari forests of Bengal is dominated by
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 |
Define Stratification.
