33 Questions
Which organization launched the International Drinking Water Supply and Sanitation Decade, 1981-1990?
United Nations General Assembly
What is the aim of the International Drinking Water Supply and Sanitation Decade?
To provide all people with adequate supplies of safe water and sanitation by 1990
Which of the following is a characteristic of safe and wholesome water?
All of the above
What is the estimated daily water requirement for drinking?
2 liters per head per day
What factors can influence water consumption?
All of the above
What is considered an adequate supply of water for all urban domestic purposes?
150-200 liters per capita
What are the main uses of water?
All of the above
Which of the following is an agricultural purpose of water?
Irrigation
What is a major cause of ill-health in developing countries?
Lack of safe and wholesome water supply
What is the key to the attainment of 'health for all by the year 2000 AD'?
Primary health care
Which source of water supply is considered the purest in nature?
Rain
What is the main disadvantage of storing water for long periods in reservoirs?
Growth of algae and other microscopic organisms
Which source of surface water supply is Not prone to contamination from human and animal sources?
Rain
What is the source that is considered an important source of water supply in some developing countries' villages?
Tanks
Which source of water supply contains 3.5% of salts in solution?
Sea water
What is the main advantage of ground water as a source of water supply?
Effective filtering medium
What is the main drawback of river water as a source of water supply?
Gross pollution
Which type of well is do Not show seasonal fluctuations in the flow of water?
Deep springs
What is the area draining into a reservoir called?
Catchment area
Water that is.…………………….safe and readily available throughout the year.
All of the above
Which type of surface water is The impurities: derived from surface washing, sewage and sullage water, industrial and trade waste, and drainage from agricultural areas.?
Rivers
Which of the following is a SOURCES OF WATER SUPPLY?
All of the above
All of the following are Ground wate Except?
Streams
What is the main disadvantage of using sea water as a source of water supply?
It is expensive to desalinate and demineralize sea water
Which source of water supply is considered to have the highest bacterial count?
Surface water
What is the main drawback of using tanks as a source of drinking water in some developing countries villages?
Tanks are subject to unlimited possibilities of contamination
Which type of spring is more likely to dry up quickly during summer months?
Shallow springs
Match the following water sources with their potential hazards:
Ground Water = Contamination from human and animal sources River Water = Prone to contamination from human and animal sources Sea Water = High concentration of salts in solution Spring Water = May be affected by seasonal fluctuations in the flow of water
Match the following water uses with their descriptions:
Domestic use = Includes drinking, cooking, washing, and bathing Public purposes = Includes swimming pools, public fountains and ornamental ponds, fire protection and public parks Industrial purposes = Includes processing and cooling Agricultural purposes = Includes irrigation
Match the following water standards with their definitions:
Free from pathogenic agents = Does not contain disease-causing organisms Free from harmful chemical substances = Does not contain toxic chemicals Pleasant to the taste = Does not have an unpleasant taste, color, or odor Usable for domestic purposes = Can be used for everyday household activities
Match the following types of water sources with their characteristics:
Rainwater = Purest water in nature, physically clear, chemically very soft Surface Water = Originates from rainwater, prone to contamination from human and animal sources Impounding Reservoirs = Artificial lakes, clear and palatable, prone to growth of algae and other organisms Rivers = Grossly polluted, unfit for drinking without treatment
Match the following types of springs with their characteristics:
Shallow springs = Dry up quickly during summer months Deep springs = Do not show seasonal fluctuations in the flow of water
Match the following sources of water supply with their disadvantages:
Tanks = Subjected to unlimited possibilities of contamination and are highly dangerous as a source of drinking water Sea Water = Contains a high concentration of salts in solution, desalting and demineralization process involves heavy expenditure Rivers = Always grossly polluted and quite unfit for drinking without treatment Impounding Reservoirs = Growth of algae and other microscopic organisms impart bad tastes and odors to water
Test your knowledge on water pollution, sources and hazards, waterborne diseases, water purification, and standards of potable water. Learn about the importance of safe and wholesome water supply in preventing ill-health. Dr. Mohammad Suhail Khan, an associate professor in the Department of Public Health at King Khalid University, shares valuable insights on this crucial topic.
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