हिंदी

A forest is a purifier of ______ and ______. - Science

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प्रश्न

A forest is a purifier of ______ and ______.

रिक्त स्थान भरें
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उत्तर

A forest is a purifier of air and water.

Explanation:

  • Forests serve as natural filters, absorbing pollutants and carbon dioxide from the air and releasing clean oxygen.
  • They also play an important part in the water cycle, filtering water through their root systems and ensuring clean water sources.
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Forests: Our Lifeline
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अध्याय 17: Forests: Our Lifeline - Exercises [पृष्ठ २१८]

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एनसीईआरटी Science [English] Class 7
अध्याय 17 Forests: Our Lifeline
Exercises | Q 7.2 | पृष्ठ २१८

संबंधित प्रश्न

What do decomposers do in the forest?


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


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.


Enumerate the importance of forest.


Who started chipko Andolan?


In our country, vast tracts of forests are cleared and a single species of plant is cultivated. This practice promotes


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

The forest keeps on growing and changing and can regenerate


Two friends shared their experiences of their vacation trip to two different forests. Do you think they would have seen the same type of plants and animals during their respective trips? Give reason.


Name any four useful products other than wood, which we get from forests.


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.

You can read more on the following website:


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