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Chemistry
17. Forests: Our Lifeline
Home · Class 7 · Chemistry · NCERT Science · 17. Forests: Our Lifeline
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Q5 of 13 Page 217

Explain why there is no waste in a forest.

There is no waste in a forest because all the waste is being decomposed by the decomposers and it gets absorbed by plants as nutrients.


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3

What are decomposers? Name any two of them. What do they do in the forest?

4

Explain the role of forest in maintaining the balance between oxygen and carbon dioxide in the atmosphere.

6

List five products we get from forests?

7

Fill in the blanks:

a. The insects, butterflies, honeybees and birds help flowering plants in _________.


b. A forest is a purifier of ________ and _______.


c. Herbs form the ________layer in the forest.


d. The decaying leaves and animal droppings in a forest enrich the _______.

Questions · 13
17. Forests: Our Lifeline
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