Geography Ch 10 Revision

1. Which of the following is/are the characteristic(s) of deserts?

1 Annual rainfall is less than 250 mm

2 Ground surface is covered by sand only

3 When it rains, it is usually very healthy over a short time

• 1 only

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

2. Which of the following are the characteristics of vegetation in deserts?

1 It is sparsely distributed

2 Some plants have fleshy stems for storing water

3 Some plants have thick bark to prevent loss

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2, and 3

3. Which of the following comparisons between temperate deserts and tropical deserts is correct?

• The temperate deserts have colder winters than tropical deserts.

• All temperate deserts are rock deserts, and all tropical deserts are sandy deserts.

• Temperate deserts have a higher annual mean temperature than tropical deserts.

• Temperate deserts have an annual rainfall of more than 250 mm while tropical deserts have annual rainfall of less than 250 mm.

4. Below are some processes involved in desertification.

1 Soil erosion worsens

2 Long periods of rainfall

3 Vegetation cover decreases

4 Land degradation

Which of the following is the correct sequence leading to desertification?

• 1>3>4>2

• 2>1>4>3

• 2>3>1>4

• 4>3>2>1

5. Which of the following descriptions about desertification are correct?

1 It refers to the persistent degradation of deserts.

2 It usually take place at the fringes of deserts.

3 It may increase the frequency of sandstorms.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2, 3

6. How do sandstorms reduce farm production?

1 By destroying crops

2 By burying fields

3. By reducing soil moisture

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

7. Why are sandstorms in northern China less frequent in summer?

1 Denser vegetation cover

2 Less frequent strong and dry winds from the north

3 Less rainfall

• 1 only

• 2 only

• 3 only

• 2 and 3 only

8. Which of the following help combat the problem of desertification in China?

1 Carry out large-scale afforestation

2 Expand farming areas

3 Return farmland and pastureland to woodland and grassland

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2, and 3

9. Which of the following energy policies can ease the problem of desertification?

1 Discourage the use of fuel wood

2 Encourage the use of fuel-saving stoves

3 Develop environmentally-friendly energy, e.g. oil

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2,and 3

10. Which of the following can lower the population pressure in northern China?

1 Encourage herders and farmers to move towns and cities

2 Encourage early child giving

3 Encourage late marriages

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2, and 3