Causes of Desertification Quiz

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Causes of Desertification Quiz

What is desertification?

The process of rock breaking down in situ.

The process by which land changes into desert.

The process by which land wears away by the action of the sea, sand or river.

The process of land transforming from desert to fertile land.

Correct! Wrong!

Which is the desert fringe also known as?

Drylands

Semi-arid area

All of the above

Semi-desert

Correct! Wrong!

True or false? At the borders of hot deserts, desert fringe areas support greater biodiversity and larger plants.

True

False

Correct! Wrong!

True or false? Despite their higher rainfall, desert fringes are classified, alongside hot deserts, as fragile environments.

True

False

Correct! Wrong!

Which of the following statements is true?

We do not know whether global warming caused by humans will create even greater rainfall deficiencies in the Sahel or other desert fringes.

Global warming is directly responsible for desertification in the Sahel and other desert fringes.

Desertification in the Sahel is only occurring because of natural fluctuations in rainfall.

Desertification in the Sahel and other desert fringes because of human action.

Correct! Wrong!

Which of the following statements is not a human cause of desertification?

Cyclical drought bringing lower and less reliable rainfall

Deforestation for fuel and constructing shelter

Overgrazing by cattle

Population growth

Correct! Wrong!

Which cause of desertification is being described below? Millions of people living in semi-arid regions depend on wood for their primary source of energy.

Removal of fuelwood

Soil erosion

Over-cultivation

Overgrazing

Correct! Wrong!

What is the term used to describe cattle stripping vegetation from the land, leaving soil bare and at risk of erosion?

Overgrazing

Removal of fuel wood

Population growth

Over-cultivation

Correct! Wrong!

True or false? Rapid population growth is a cause of desertification.

False

True

Correct! Wrong!

Increasing population leads to an increase in demand for food. This puts the land under enormous pressure leading to soil erosion then desertification.

True or false? An estimated 1 billion people live in areas at risk of desertification.

False

True

Correct! Wrong!

wb17

Well done! You have a good understanding of this area of geography.

Good try, you could do with revising this area a bit more though.

Oh dear, you definitely need to work on this area.