IGCSE Geography - Water (3.6)

What percentage of total global water is fresh water?

• 0.9%

• 68.7%

• 2.5%

• 30.1%

How is water supplied?

• Dams and reservoirs

• Boreholes and wells

• Desalinisation

• Water transfer schemes

• All are correct

A problem with desalination is that it is...

• Water is still salty

• Very expensive and needs a lot of energy

• Could be used for terrorism

• Can be used anywhere

Aquifers are

• fire hydrants

• boreholes

• wells

• water-bearing rock underneath the ground

The large body of water behind a dam is a

• reservoir

• reserve

• au revoir

• reporter

Why do forests help conserve water?

• The roots hold the soil in place, which holds water

• The trees prevent rainwater running off into rivers too quickly

• All are correct

• They keep a local water cycle going, preventing desertification

• They soak water up like a sponge, preventing run off

In this pie chart which segments are "municipal"?

• Irrigation + Livestock + Aquaculture (39.66%)

• Public supply + Self-supplied (13%)

• Industrial

• Self-supplied + Mining + Thermoelectric power (47.2%)

In Africa, around 82% of water is used for

• agriculture

• domestic

• industry

• municipal

Globally, the smallest use of water is

• agriculture

• towns and cities

• aquaculture

• industry

A water supply problem associated with increasing industrialisation is

• better services

• more jobs

• increasing levels of development

• pollution of water supplies