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प्रश्न
Water is very precious for all living beings. What will happen in future if we do not save water now?
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उत्तर
Water is the gift of nature, we must learn to honour it. If we do not use water judiciously and do not save it, there will be a scarcity of water and we will not be able to do various activities where water is required. It will also affect life on earth.
Some of the problems that would be faced by people due to water scarcity are:
- Daily activities will become very difficult in the shortage of water.
- Crop production will be affected resulting in an insufficient supply of food.
- People would have to buy water at high prices.
- People may drink dirty (contaminated) water which causes water-borne diseases such as cholera.
Due to water scarcity, sufficient water will not be available to plants. Plants need water to prepare their food through the process of photosynthesis. If water is not available to plants, the green character of the planet will be lost. This may mean the end of all life, for a world without plants will mean no food, no oxygen, not enough rain and innumerable other problems.
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संबंधित प्रश्न
Water is a valuable resource. List two ways, that you would suggest every family member to save this resource.
How can water harvesting technique help in the conservation of water?
Study the diagram below and answer the questions that follow:

1) Name the activity shown in the diagram.
2) Give two objectives of the activity named in (d) (i).
The main reason for the abundant coliform bacteria in the water of river Ganga is :
(a) immersion of ashes of the dead into the river
(b) washing of clothes on the banks of river
(c) discharge of industrial wastes into river water
(d) disposal of unburnt corpses into river water
Ahars, Kattas, Bhundhis and Khadins are the modes of :
(a) grain storage
(b) soil conservation
(c) water harvesting
(d) cold storage
Find out about the traditional systems of water harvesting/management in your region.
Surangams are the age-old concept of water harvesting in ______
Write the advantages of Wastewater treatment.
Which one is not an example of groundwater?
- Locate and name the water reservoirs in Figures (a) and (b).
- Which has an advantage over the other and why?

(a)

(b)
