Junior Geography (3E) Part 10: Taming the sand

Which of the following are characteristics of the surface of deserts?

1 Dry

2 Little vegetation cover

3 Only made up of sand

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following descriptions about desertification in China are correct?

1 Vast areas in northern China are affected by desertification.

2 Nei Mongol has the largest area at high risk of desertification.

3 Most of the areas affected by desertification are found in drylands.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The figure shows the location of Place X in China. Which of the following descriptions about Place X are correct?

1 It has a high risk of desertification.

2 It has a dryland environment.

3 It has low annual precipitation.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following are effects of human-induced climate change on northern China?

1 Decrease in precipitation

2 Decrease in relative humidity

3 Increase in evapotranspiration

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Refer to the figure. What is X?

• Increase in droughts

• Loss of vegetation cover

• Decrease in sandstorms

• Increase in food demand

Refer to the figure. Which of the following measures can prevent the occurrence of X?

1 Use drip irrigation

2 Open up more farmland

3 Carry out rotational grazing

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The photograph shows a weather phenomenon commonly found in northern China. Which of the following are favourable factors for the formation of the weather phenomenon?

Which of the following are favourable factors for the formation of the weather phenomenon?

1 Extensive flatland with dense vegetation

2 Plentiful supply of loose sand and dust from deserts

3 Presence of strong winds in late winter and early spring

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the matches about the impacts of desertification and sandstorm are correct?

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following can help prevent over-cultivation in northern China?

1 Develop ecotourism

2 Carry out Grain for Green Project

3 Set up windbreaks between fields

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

The photograph shows a device used in drylands. How does this device help combat desertification in drylands?

• By reducing wind speed

• By increasing soil nutrients

• By collecting rainwater for irrigation

• By reducing the amount of trees cut for fuelwood