Water Pollution As Resource Management
Water Pollution As Resource Management
It is defined as the change in the normal properties of water by the presence of foreign material. Water has a property to dissolve a large number of substances. This property is a major causes of pollution It can also be defines as Water pollution may be defined as the addition of inorganic, organic or other harmful substances, which alter the quality of water so that it becomes harmful to man and other organisms.
Water Pollutants : The substances that contaminate or pollute water are called water pollutants. The presence of pollutants can be recognized by the following :
1. Bad taste of drinking water.
2. Offensive odour from lakes, rivers and ocean beaches.
3. Unchecked growth of aquatic weeds in water bodies.
4. Decrease in number of fish in fresh water, river water, sea water, etc.
5. Oil and grease floating on water surface.
A sudden build-up of Water Pollution : When some industrial accidents take place, then there is a sudden build-up of pollution in the environment.
What are the examples of water pollutants ? | |||
| Right Option : D | |||
| View Explanation | |||
Which of the following are correct : (a) Sewage should not be released directly into rivers or lakes. They should be properly treated in sewage treatment plants. (b) Harmful chemicals should not be dumped into water bodies. They should be transformed into some useful substances. | |||
| Right Option : C | |||
| View Explanation | |||
Pollution of water is caused by | |||
| Right Option : D | |||
| View Explanation | |||
Students / Parents Reviews [10]
Abhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
10thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
Cheshta
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Shivam Rana
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Eshan Arora
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Om Umang
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Prisha Gupta
8thOne of the best institutes to develope a child interest in studies.Provides SST and English knowledge also unlike other institutes. Teachers are co operative and friendly online tests andPPT develope practical knowledge also.
Aman Kumar Shrivastava
10thA marvelous experience with Abhyas. I am glad to share that my ward has achieved more than enough at the Ambala ABHYAS centre. Years have passed on and more and more he has gained. May the centre flourish and develop day by day by the grace of God.
Archit Segal
7thMy experience was very good with Abhyas academy. I am studying here from 6th class and I am satisfied by its results in my life. I improved a lot here ahead of school syllabus.
