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Hydrological Process

Total questions: 20

Worksheet time: 10mins

Name
Class
Date
1.

It is the study of water as it moves on, and under and through the Earth’s surface.

a)

Evaporation

b)

Condensation

c)

Hydrology

d)

Water cycle

2.

It refers to water loss from vegetation to the atmosphere

a)

Evaporation

b)

Transpiration

c)

Condensation

d)

Evapotranspiration

3.

It refers to the water loss that would occur if there were an unlimited supply of water in the soil for use by the vegetation.

a)

Evapotranspiration

b)

Condensation

c)

Precipitation

d)

Potential Evapotranspiration

4.

Which of the following is not a factor that affects evaporation?

a)

Vegetation cover

b)

Albedo

c)

Size of land

d)

Wind speed

5.

It is the range of moisture content in which permanent wilting of plants occur.

a)

Wilting point

b)

PEVT

c)

Field capacity

d)

Infiltration capacity

6.

It is any product of the condensation of atmospheric water vapor that falls under gravitational pull from clouds

a)

Condensation

b)

Dew

c)

Precipitation

d)

Snow

7.

Water that either falls through gaps in the vegetation or which drops from leaves, twigs or stems

a)

Interception loss

b)

Interflow

c)

Stemflow

d)

Throughfall

8.

It is the process by which water soaks into, or is absorbed by, the soil

a)

Groundwater flow

b)

Field capacity

c)

Infiltration capacity

d)

Infiltration

9.

Which of the following ground cover has the highest infiltration rate?

a)

Weeds and grain

b)

Old permanent pasture

c)

Bare soil

d)

Permanent pasture

10.

It is water that flows over the land’s surface

a)

runoff

b)

soil moisture

c)

groundwater storage

d)

interception

11.

A ________________ is a line graph showing how water level in a river changes over time.

a)

groundwater recharge

b)

recessional limb

c)

river regime

d)

hydrograph

12.

______________ is the speed with which the water level in the river declines after the peak.

a)

Rising limb

b)

Recessional limb

c)

Water velocity

d)

River discharge

13.

___________________ refers to an individual storm or group of storms of not more than a few days in length.

a)

Flood hydrograph

b)

Annual River Regime

c)

Hydrograph

d)

Peak discgharge

14.

________________ is the laying down of sediment carried by wind, water, or ice.

a)

Deposition

b)

Sedimentation

c)

Weathering

d)

Suspension

15.

_________________ is the wearing away of the bed and bank by the load carried by a river.

a)

Abrasion

b)

Attrition

c)

Hydraulic action

d)

Solution

16.

It is another term for river cliff.

a)

levee

b)

channel

c)

bluff

d)

floodplain

17.

A ________________ is a depositional feature made of alluvium that accumulates on the inside bend of streams and rivers below the slip-off slope.

a)

meander

b)

lagoon

c)

braided channel

d)

point bar

18.

____________________ are found in semi-arid areas where swiftly flowing mountain streams enter a main valley or plain at the foot of the mountains.

a)

Deltas

b)

Alluvial fans

c)

Estuaries

d)

Braided channels

19.

_________________ is the volume of water flowing through a river channel.

a)

Hydraulic radius

b)

Wetted perimeter

c)

River discharge

d)

Peak flow

20.

___________________ are river sediments deposited when a river enters a standing body of water such as a lake, a lagoon, a sea or an ocean

a)

Deltas

b)

Braided channels

c)

Alluvial fans

d)

Levees