Rivers Quiz 2

What is deposition?

• When material is carried by a river.

• When material is eroded by a river.

• When material is dropped by river.

• When material is removed from the bed and banks.

Which of the following landforms are found in the upper course of a river?

• Waterfalls, gorges and meanders.

• Waterfalls, gorges and floodplain.

• Waterfalls, gorges and u-shaped valleys.

• Waterfalls, gorges and interlocking spurs.

True or false? Waterfalls usually form in the upper course of a river where water flows over a band of soft rock that overlies a band of hard rock.

• True

• False

Which processes of erosion form plunge pools at the foot of waterfalls?

• Solution and hydraulic action

• Abrasion and hydraulic action

• Attrition and hydraulic action

• Attrition and abrasion

Which landform is created as waterfalls retreat?

• Interlocking spurs

• Levee

• Floodplain

• Gorge

What are interlocking spurs?

• A pronounced bend in a river.

• An embankment of sediment along the bank of river.

• A series of ridges projecting out on alternate sides of a valley and around which a river winds its course.

• A narrow, steep sided valley often formed when waterfalls retreat.

What is a meander?

• A bend in a river

• A bank of a river

• A lake formed next to a river

• A steep river channel

Which of the following are characteristics of a meander? (You can select more than one)

• Slip-off slope

• River cliff

• A lake formed next to a river

• A steep-sided gorge

What is a small, horseshoe-shaped lake that is located several metres from a fairly straight stretch of river in its middle and lower courses?

• Reservoir

• Flood plain

• Oxbow lake

• River channel

Where are slip-off slopes found on a meander?

• Inside bend

• Outside bend

• They are not found on meanders

• At the source of a river