हिंदी

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

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प्रश्न

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

संक्षेप में उत्तर
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उत्तर

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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अध्याय 12: Forests: Our Lifeline - Exercises [पृष्ठ १५३]

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एनसीईआरटी Science [English] Class 7
अध्याय 12 Forests: Our Lifeline
Exercises | Q 4. | पृष्ठ १५३

संबंधित प्रश्न

Explain how animals dwelling in the forest help it grow and regenerate.


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


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


Global warming will cause


Which of the following is the ‘biodiversity hot spots'?


Boojho visited a forest near his town with his classmates and his teacher. As they were entering the forest, their class teacher told them not to make noise in the forest as noise could disturb the


Which of the products is not obtained from a forest?


State whether the following statement is true or false. If false, give the correct statement.

Forests influence climate, water cycle and air quality


“Forests are our lifeline.” Write five sentences on this topic.


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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