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Introduction to Water and Freshwater Shortages

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Introduction to Water and Freshwater Shortages

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Questions and Answers

Which of the following characteristics defines water intended for human consumption as safe and wholesome?

Harmful to the environment

Rich in minerals

Contaminated with harmless chemical substances

Pleasant taste and odor (correct)

What is the primary health care component emphasized by the 34th World Health Assembly in 1981?

Safe drinking water (correct)

Sanitation facilities

Access to medication

Immunization

What did the United Nations statistics estimate about access to safe drinking water?

About half of the world's population lack access to safe drinking water

Nearly one billion people still lack access to safe drinking water (correct)

The majority of people have adequate means to purification water

Only a few million people lack access to safe drinking water

What volume of water per capita is considered adequate for all urban domestic purposes?

150-200 litres Signup and view all the answers

What purpose does NOT require water according to the text?

Power production from wind energy Signup and view all the answers

Which factor does NOT influence the consumption of water?

Type of employment Signup and view all the answers

What are the two main criteria for selecting a water source?

Quantity and quality Signup and view all the answers

Which of the following is NOT a characteristic of rainwater as described in the text?

Contains high levels of dissolved solids Signup and view all the answers

What is a potential consequence of rainwater passing through the atmosphere, as mentioned in the text?

It becomes less pure due to the absorption of dust and soot Signup and view all the answers

Which of the following is emitted from power plants that use fossil fuels and has a significant impact on surface water quality, as mentioned in the text?

Sulphuric acid and nitric acid Signup and view all the answers