IGCSE RIVER ENVIRONMENTS 2019-21

Identify the statement below that best describes the channel in the lower course

of a river

• Small and fast river channel

• Wide and deep river channel

• Narrow and fast river channel

• Small and narrow river channel

Identify one process of river erosion.

• Levees

• Abrasion

• Overland flow

• Discharge

Identify the statement below that best describes the channel shape in the upper

course of a river.

• Narrow river channel with shallow sides

• Narrow river channel with steep sides

• Wider river channel with shallow sides

• Widest river channel with very shallow sides

Identify one process of river transportation.

• Suspension

• Abrasion

• Attrition

• Deposition

Identify the meaning of the term river discharge.

• The average speed of water in a river at one place at any one time

• The volume of water in a river at one place at any one time

• The average depth of a river at one place

• The average width of a river at one place

Identify the meaning of the term drainage basin.

• An area of land where water is stored

• An area of land where water levels vary

• An area of land where flooding occurs

• An area of land drained by a river

Identify the meaning of the term river regime.

• Variation in river discharge throughout the year

• Variation in river discharge over a day

• Variation in river discharge over a month

• Variation in river discharge throughout the week

Identify the definition of the hydrological cycle.

• An open system made up of stores and transfers

• A closed system made up of only stores

• A closed system made up of stores and transfers

• An open system made up of only transfers

Identify one store in the hydrological cycle.

• Evaporation

• Inflitration

• Lake

• Throughflow

Identify the statement that best defines transpiration in the hydrological cycle.

• Transfer of water from the atmosphere to land.

• Plants take up water from the soil and release it into the

  the atmosphere as water vapor.

• Water moving through the soil as a result of gravity.

• water vapour cooling in the atmosphere to become liquid.