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Population and food
Learning from the past
Looking to the future
Polutation and food - Quiz

Polutation and food - Quiz

Answer each question below, then choose Check answers to see your score. You can reveal the correct responses after marking.

1 Since 1960, has the world's population....

Hardly changed More than doubled Risen by two billion

2 In which parts of the world are these increases greatest?

In the UK In the southern hemisphere In developing countries

3 Currently, approximately how many people have insufficient food on which to survive?

5 Million 300 Million 800 Million

4 Why have many areas of the world had their soil potential reduced?

Through ignorance of how to care for the soil Through growing too many potatoes Through the use of bulldozers

5 Problems in using additional poorer quality land for agriculture include....

Such land is vulnerable to erosion, desertification and salination Poor soil needs greater farming knowledge Both the above

6 How many hectares of soil are lost each year as a result of soil erosion?

1 million hectares 6-7 million hectares 15 million hectares

7 Desertification affects how much of the world's land?

One sixteenth One sixth One quarter

8 What can we do to help solve this dilemma?

Long-term plans for increased food production should be high on the agenda of every government Spend billions to build a base on the moon There is not much we can do - it's too late

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