River and coast (Unit 2.1)

Which of the following processes describe(s) the movement of water from the land surface and vegetation to the atmosphere?

1 Evaporation

2 Infiltration

3 Transpiration

• 1 only

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

Which of the following are the impacts of afforestation on the water cycle?

1 The rate of infiltration increases.

2 The speed of surface run-off increases.

3 The amount of subsurface run-off increases.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following statements about the effect of vegetation on the water cycle are correct?

1 The denser the vegetation, the more the infiltration.

2 The more the vegetation, the higher the interception.

3 The larger the leaf surfaces, the higher the interception.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following relationships between different processes of the water cycle is/are correct?

1 Transpiration↓ then Precipitation↑

2 Interception↓ then Surface run-off↑

3 Plant absorption↓ then Infiltration↑

• 2 only

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

Which of the following statements about surface run-off are correct?

1 Surface run-off consists of channel flow and overland flow.

2 The steeper the slope, the higher the speed of surface run-off.

3 The higher the rate of surface run-off, the higher the rate of infiltration.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following best defines the term ‘river basin’?

• Channel of a river

• Area of land between two rivers

• Lowland area of the lower course of a river

• Area of land drained by the main river and its tributaries

What is the boundary of a river basin known as?

• River mouth

• Watershed

• Water table

• Confluence

Which of the following lead to a high evapotranspiration rate?

1 Low temperature

2 High wind speed

3 Dense vegetation cover

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3

Which of the following can increase the infiltration rate of a river basin?

1 Large soil particles

2 Gentle gradient

3 Impermeable road surface

• 2 only

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

Refer to the map.

Which of the following descriptions about the drainage basin above are correct?

1 It is usually found in a basin.

2 Rivers flow into the lake in the centre.

3 It is found in area with alternate layers of resistant and less resistant rock.

• 1 and 2 only

• 1 and 3 only

• 2 and 3 only

• 1, 2 and 3