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

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Question

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

Answer in Brief
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Solution

Forests are called the green lungs because plants in forests release oxygen through photosynthesis and help provide oxygen to animals for respiration. Plants also consume carbon dioxide released by animals. In this way, plants help maintain a balance of oxygen and carbon dioxide in the atmosphere.

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Forests: Our Lifeline
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Chapter 17: Forests: Our Lifeline - Exercises [Page 217]

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NCERT Science [English] Class 7
Chapter 17 Forests: Our Lifeline
Exercises | Q 4 | Page 217

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Visit a forest. Here is a list of points that would make your visit more fruitful.

  1. Make sure that you have permission to go into the forest.
  2. Make sure that you can find your way around. Get a map and go along with someone who is familiar with the area.
  3. Keep a record of the things you see and do. Observations make the visit interesting. Sketches and photographs are useful.
  4. You may record bird calls.
  5. Collect different kinds of seeds or hard fruits like nuts.
  6. Try to recognise various types of trees, shrubs, herbs, etc. Make lists of plants from different places in the forest and of different layers. You may not be able to name all the plants, but it is worth recording and seeing where they grow. Make a record of approximate heights of plants, crown shape, bark texture, leaf size, and flower colour.
  7. Learn to recognise the animal’s droppings.
  8. Interview the forest officials and the people of surrounding villages and other visitors.

You must never collect birds’ eggs, and their nests should never be disturbed.

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