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NCERT TELUGU-WATER-EXERCISE
- Statement A: Chlorine kills harmful disease causing organisms present ...
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- Statement A: Nitrates, phosphates, metals etc. are examples for organi...
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- Which is true about the process Aeration ?(i) It is used for removal o...
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- Which of the following is not true about sewage(i) Sewage is more in r...
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- Purifying water by spraying it into sunlight to kill bacteria is calle...
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- A simple techinique that breaks down waste material and helps in the g...
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- The disease causing germs in waste water can be killed by using the ga...
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- International decade for action on Water for life' is
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- Available fresh water on land is of the total water
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- Oldest VanaSamrakshana Samithi in A.P. is
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- When do we celebrate World Water Day?
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- The waste water from the bathroom can be led intoto grow vegetables:
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- Biogas is produced by
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- Solids like faeces which settle at the bottom of a large tank during t...
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- This allows growth of microbes that breakdown wastes
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- Rearrange the following sentences in a correct order(i) A skimmer remo...
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- Fill in the Blanks and give reasons:Cleaning of water is a process of ...
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- Fill in the Blanks and give reasons:Waste water released by houses is ...
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- Fill in the Blanks and give reasons:Dried isused as a manure.
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- Fill in the Blanks and give reasons:Drains get blocked byand
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