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WorksheetsGEOGRAPHY FORM 3 - RIVERS AND CORAL REEFS
Total questions: 25
Worksheet time: 18mins
A river performs the following functions, except
erosion
transportation
deposition
weathering
Erosion of a river valley is influenced by the following, except
corrosion
traction
hydraulic action
attrition
The process by which materials broken up into small fragments as they roll and collide along a river is termed
corrosion
hydraulic action
attrition
solution
The drainage pattern which is tree like in appearance and develops on uniform rocks is termed
radial
parallel
dendritic
trellis
The drainage systems shown in diagram (i) and (ii) are
dentritic and trellis
trellis and dentritic
parallel and trellis
In the diagram "B" represents
source
mouth
confluence
main tributary
In the diagram "D" represents
source
mouth
confluence
main tributary
In the diagram "C" represents
source
mouth
confluence
main tributary
The line enclosing the river drainage system is termed a/an
drainage basin
watershed
river capture
river's source
Which is NOT a condition for coral growth
warm temperatures, about 27 degrees celsius
fresh or silt laden water
shallow sunlit water
water with normal salinity
A reef lying parallel to the coast but separated from it by deep water is called a
fringing reef
barrier reef
uplift reef
atoll
A reef lying parallel to the coast but separated from it by shallow water is called a
fringing reef
barrier reef
uplift reef
atoll
Which are benefits of coral reefs
tourism
employment
coral mining
fishing
Which is NOT true of corals
shallow sunlit water is required for their growth
some coral reefs are found close to the shore
cold ocean currents favor their growth
coral reefs enjoy shallow sunlit water
Which of the following are benefits from corals
protection of the coastline
fishing
beach resort
eco-tourism or nature tourism
The following are threats to coral reefs except,
fertilizer runoff
tourist trampling on corals
restrictions on live coral souvenirs
polluted river water
Select the ways in which man can damage coral reefs
marina construction
logging operations
sewage disposal
kicking up coral sand
Floodplains are found in the
upper course
middle course
lower course
The build up of alluvium on the banks of a river is termed a/an
floodplain
levee
rapid
ox bow lake
What type of reef is seen in the picture
fringing reef
barrier reef
uplift reef
atoll
A waterfall is a/an
area of land that is covered during times of flooding
part of the river where current is very fast and gradient is steep
sudden step in the profile of a river
Some characteristics of the middle course of a river are
main work of the river is transportation
gentle slope
widest part of the river
river does not flow swiftly
Some characteristics of the lower course of a river are
slope is very gentle
river flows sluggishly
the main work of the river is deposition
waterfalls are common here
The longest river in the world is the
Yellow River, China
Amazon River, South America
Nile River, Africa
Yangtze River, China
The longest river in the Caribbean
Cauto River, Cuba
Martha Brae River, Jamaica
Shark River, Trinidad
Berbice River, Guyana
