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LAKHMIR SINGH & MANJIT KAUR-WASTE WATER STORY-EXERCISE
- Name two organic impurities present in sewage.
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- Name two inorganic impuritise present in sewage.
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- Name two nutrients present in sewage.
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- What type of microbes present in sewage cause diseases such as cholera...
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- Name two diseases which are caused by bacteria present in sewage.
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- Name one diseaases which is caused by microbes (other than bacteria) ...
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- write the full form of WWTP.
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- Name two chemicals used to disinfect water.
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- Name the solid waste extracted during sewage treatment.
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- Name two things that can be made from sludge extracted during treatmen...
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- What is the cause of a large number of diseases in our country?
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- Name any four water -borne diseases which are caused by drinking conta...
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- State whether the following statement is true or false: Human excre...
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- Name any two low -cost, onsite sewage disposal systems for human was...
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- What type of sewage disposal system will be suitable for an isolated ...
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- What type of toilets are most suitable for holding an outdoor music f...
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- What type of toilets are the most suitable for an area where water su...
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- What type of toilets are used in aeroplanes?
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- At a sewage treatment plant , what type of bacteria work: in the dig...
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- At a sewage treatment plant , what type of bacteria work: in the aer...
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