Uses of Forest

Author:K K Gupta & Stalin Malhotra
7th CBSE
IMPORTANT

Uses of Forest: Overview

The topic deals with the uses of forest. The trees in the forest provide timber, food and medicines which is discussed here in brief. They also regulate soil erosion and reduce pollution.

Important Questions on Uses of Forest

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Mass-scale planting of trees is called deforestation.

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A forest is a purifier of air and water.

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Forests occupy _____ percent of the geographical area in India.

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Humus is rich in _____(urea/nutrients).

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State the term for horizontal layers of shrubs in a forest. (Emergent/Understorey)

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Herbs form the upper layer in a forest.

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Solve the following crossword puzzle:
Question Image
Across
3. Growing trees on a large scale.
4. Branched part of a tree above the stem.
Down
1. It refers to the diverse forms of life on Earth.
2. Roof formed by the branches of tall trees over other small plants.
5. An international organisation for forest conservation.

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Match the items in column A with the items in column B

Column A Column B
1. Green plants. (a) Afforestation
2. Deer (b) Decomposer
3. Tiger (c) Carnivore
4. Bacteria and fungi. (d) Herbivore
5. Planting trees on a large scale. (e) Producer
  (f) Deforestation

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The lowest layer in the forest is occupied by

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Which of the following is not a forest product?

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Complete the given analogy.

Cinchona : _____ : : Sal : Timber

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Sun is the ultimate energy source for all food chains. But from where will animals who live deep down on the ocean bed and have never seen sunlight get energy?

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How will snakes be affected if all rats disappear from the forest?

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In what way do forests help in regulating the climate of a place?

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In what way do forests control water flow?

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How is humus helpful to the soil?

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Name two plants that give us medicines.