Desertification (WJEC Eduqas GCSE Geography B): Exam Questions

Exam code: C112

2 hours26 questions
1
3 marks

Study Figure 1.

World map showing vulnerable areas in pink across continents. Oceans and major countries like USA, Guatemala, Zimbabwe, and Bahrain are labelled.
Figure 1 – A Map of Global Vulnerability to Desertification

Describe the global pattern of vulnerability to desertification.

2
3 marks

Bahrain has a hot, semi-arid climate. Circle the three features of hot, semi-arid climates.

a short wet season a temperature range higher than 40°C

a maximum temperature around 20°C hot summers

cold winters low annual precipitation

3a
2 marks

Study Figure 1.
It also shows the location of four countries vulnerable to desertification.

World map highlighting vulnerable areas in pink across continents; includes North America, South America, Europe, Africa, Asia, and Australasia.
Figure 1 – A Map of Global Vulnerability to Desertification

Bahrain is one of the four countries vulnerable to desertification named on the map.
Describe the location of Bahrain.

3b
2 marks

Bahrain is a newly industrialised country (NIC).

Give two characteristics of a NIC.

4
4 marks

Complete the diagram below to show how trees affect the flow of water in the local environment. Use words from the text box below.

Diagram showing the water cycle process with a tree, including interception, evapotranspiration, precipitation, and infiltration labels.
5
2 marks

Deforestation is a human activity that can lead to desertification.

Give one reason why people cut trees down.

6
2 marks

Study Figure 2 . It shows the rate of forest only cover change.

World map showing net gain and net loss by region. Orange indicates net gain, purple indicates net loss, and white shows no change, with selected labels.
Figure 2 – Annual global change in forest coverage since 1990

Circle the correct word in each sentence below using Figure 2.

Since 1990, Bahrain forest cover (increased / decreased / stayed the same).

Most countries that lost forest are (east / north / south) of the Tropic of Cancer.

7
4 marks

Explain two other ways poor land management can make desertification worse.

8a
2 marks

Study Figure 4.

California’s farmers are using advanced technology to produce crops.

Web page discussing advanced farming tech; top image shows a soil moisture sensor; bottom image depicts drone technology with tablet interface over fields.
Figure 4 – Advanced farming technology in California, USA

Suggest how advanced technology might help California to manage desertification.

8b
4 marks

Suggest why using advanced technology is not an option for some farmers.

9
6 marks

Study Figure 5.

Man stands on a stone dam in a dry riverbed; diagram shows steps to trap sand and store water for irrigation using a solar pump.
Figure 5 – Sand Dams in Zimbabwe, Southern Africa

Zimbabwe, a country in Southern Africa, is suffering from desertification and is asking its farmers to build more sand dams.

Evaluate how sand dams could be considered sustainable.

10a
2 marks

Study Figure 6.

Lush green vegetable rows with tall trees interspersed, showing a vibrant garden under a partly cloudy sky, illuminated by sunlight.
Figure 6 – Drought-tolerant crops in Guatemala, Central America

The country of Guatemala, in Central America, is also suffering from desertification. Farmers are using drought-tolerant crops.

Give one reason why drought-tolerant crops may help to reduce desertification.

10b
4 marks

Explain why local communities could benefit from the planting of drought-tolerant crops.

11
16 marks

The country of Bahrain has experienced more desertification in recent years than ever before. Which one of the three options should Bahrain choose to reduce the effects of desertification?

  • Use advanced technology.

  • Install sand dams.

  • Farm more drought-tolerant crops.

Justify your decision.

Your answer should consider the social, economic and environmental sustainability of your decision.

You may use the resources from this paper as well as your own studies. [12]

Your ability to spell, punctuate and use grammar and specialist terminology accurately will be assessed in your answer.

I have chosen to ..................................................................................

12a
4 marks

Many hot semi-arid areas suffer from desertification. Choose the correct terms from the box below to complete some definitions linked to desertification.

microclimate transpiration interception evaporation

evapotranspiration precipitation macroclimate desiccation

........................................................ is the process where water changes from liquid to vapour.

........................................................ is the process where water is trapped by plants.

........................................................ is the process where water is lost to the atmosphere from the surface and from plants.

........................................................ is the pattern of temperature and rainfall affecting a small area.

12b
4 marks

Describe two ways human activity damages hot semi-arid areas.

13
4 marks

Work to reduce desertification is often done through Non-Government Organisations (NGOs). Explain one advantage and one disadvantage of this for the local community.

14
4 marks

Desertification is a growing problem for many countries.

Explain why cutting down trees can lead to desertification.

15
4 marks

There are many ways to reduce the impact of desertification.

Study Figure 4.3 below.

Flowchart showing rain falls, slowed run-off by stones leading to crop yield improvement, with parallel paths involving factors A, B, C, and D.
Figure 4.3 – How lines of stones (magic stones or bunds) work

Complete the table below, adding the correct letter from Figure 4.3 next to the statement.

Statement

Letter from Figure 4.3

Plants have more water

......................................

Stones trap soil

......................................

Plants have more nutrients

......................................

More rain infiltrates to recharge the soil

......................................

16
8 marks

Study Figure 4.4 below.

Four images showing water-efficient farming, tree planting, firewood sale with a donkey cart, and charcoal production by burning wood.
Figure 4.4 – Managing desertification

‘The economic benefits are more important than environmental costs when managing desertification.’ How far do you agree with this statement?

You may use the resources in Figure 4.4 and/or examples you have studied to support your answer.

17
2 marks

Study Figure 3.1 below.

Map of Northern Africa showing the Sahara Desert in dark orange and the Sahel in light orange. Includes countries and key geographic features.
Figure 3.1 – Location of the Sahel Region of Africa

Use the information in Figure 3.1. Tick (√) the two correct facts about the location of the Sahel in the table below.

  • North of the Tropic of Cancer

  • South of the Sahara Desert

  • Extends from the Atlantic Ocean to the Mediterranean Sea

  • Includes parts of Mali, Chad and Egypt

  • North of Burkina Faso

  • South of Nigeria

18
4 marks

Study Figure 3.2 below

Bar graph showing annual precipitation changes by percentage from 1950 to 2010. Positive bars indicate wetter years, negative bars indicate drier years.
Figure 3.2 – Graph showing variations in rainfall in the Sahel 1950–2013.

Use Figure 3.2 to decide if each of the statements below is true or false.

Statement

True Tick (√)

False Tick (√)

1950–1959 was the wettest 10-year period

1970–1979 was the driest 10-year period

In 2013, rainfall was higher than average

Between 2000 and 2009 rainfall was mostly lower than average

19
1 mark

Desertification is caused by both physical and human actions.

Complete the sentences below by adding the correct words from the box.

moisture deposition nutrient evaporated erosion

intercepted management condensed salt

Increases in temperature mean more rainfall is ................................... which means that less ........................................... is retained in the soil. If trees are cut down, then the .............................................cycle is broken and the roots no longer hold the soil together. This increases the process of ............................................................. .

20
4 marks

Explain why overgrazing can lead to desertification.

21
4 marks

Drip irrigation is used in areas vulnerable to desertification.
Describe how drip irrigation works.

22a
2 marks

Study Figure 3.2 below, which shows how much of each continent is under threat from desertification.

World map showing areas threatened by desertification, with pie charts for each continent indicating the risk levels, and a key explaining colour codes.
Figure 3.2

Complete the sentences below using the information from Figure 3.2.

The continent which already has the largest area of extreme desert is ..........................................................

The continent with the largest percentage area at high risk of desertification is ..........................................................

22b
2 marks

Suggest two other appropriate techniques which could be used to represent this data.

23
4 marks

Explain why human activity can increase the process of desertification.

24
8 marks

Study the photographs and map below, which show some strategies to reduce desertification.

A herd of cattle walking along a dirt path in a dry, rocky landscape with scattered trees under a clear blue sky.
Figure 3.3 Make land use more sustainable.
Aerial view of patchwork farmland with green and brown fields, bordered by a vast desert landscape and distant mountain range under a clear sky.
Figure 3.4 Use alternative modern farming techniques.
Aerial view of a desert cityscape with residential areas, roads, and a sports complex. In the distance, arid mountains under a clear blue sky.
Figure 3.5 Encourage the growth of new urban settlements away from desert areas.
Map of Africa highlights a green belt across countries from Senegal to Ethiopia, showing a 15km-wide corridor. Inset shows Africa with the region marked.
Figure 3.6 Support projects such as the Great Green Wall in Africa where 11 countries have planted lines of trees.

Evaluate how successful strategies like these could be in reducing the spread of desertification.

25
1 mark

Migrants from the northern region of Kenya suggest that desertification was an important reason for leaving. What is desertification?

26
3 marks

Other parts of the world also suffer from desertification. Describe the global distribution of regions at risk of desertification.