Question 1 of 20 2,473 total questions
Nutrients lost by trees in leaf-fall can be re-used by the trees because the?
A trees are renewable resources
B nutrients circulate in the ecosystem
C nutrients are inexhaustible
D trees store nutrients
The most important environmental resources that sustains natural processes in an ecosystem is?
A light
B water
C air
D energy
The process by which materials are physically transferred from one soil layer to another is called?
A leaching
B physical weathering
C illuviation
D eluviation
Which savannah vegetation is characterized by grasses of about one metre high and scattered trees with flattish canopy?
A Sahel
B Sudan
C Guinea
D Derived
Planetary winds are deflected on crossing the Equator due mainly to the effects of?
A Coriolis force
B Ferrel's law
C the jet stream
D gravitational force
In the northern winter, two well- defined low pressure cells are centered respectively on the North Atlantic Oceans because?
A the sea is relatively warmer than the land
B there are warm ocean currents
C the northern parts of the oceans are shallow
D the seas are swept by strong winds
Which of the following factors best explains the generally low isolation in the high latitudes?
A Altitude
B Continentally
C Longitudinal position
D Angel of inclination
The warm ocean current which washes the southeastern coast of Africa is called the?
A Benguela current
B Guinea current
C Canaries current
D Agulhas current
Four ways in which a river transports its load are?
A corrosion, saltation, solution and suspension
B saltation, solution, suspension and traction
C attrition, saltion, solution and suspension
D corrosion, attrition, suspension and traction
The set of features produced in glaciated lowland includes all of?
A corries, pyramidal peak and eskers
B eskers, crag and tail and roche montanee
C pyramidal peak, erratics and moraine
D corrie roche montanee and erratics
Rocks, ash and sediments deposited by a volcano are collectively referred to as?
A lava
B detritus
C pyroclasts
D scree
Basaltic plateaux are usually formed by a lava that is?
A basic and fluid
B acidic and fluid
C acidic and viscous
D basic and viscous
The zone of uniform temperature in the atmosphere is known as the?
A troposphere
B stratosphere
C tropopause
D ozone layer
A trader in town Y on Long. 30°W telephoned his uncle in town Z on Long. 60°E at 12.00 noon. The local time the uncle received the call was?
A 6.00 a.m
B 10.00 a.m
C 2.00 p.m
D 6.00 p.m
The most ideal statistical mapping technique for showing population migration is the?
A choropleth
B flow diagram
C isopleth
D dot map
Lines joining places of equal sunshine hours on a map are called?
A isobars
B isotherms
C isohels
D isohytes
The woodland vegetation in the area is probably due to the
A Low level of lumbering activity
B Humus rich soils
C Abundant orographic rainfall
D Steep gradient precluding cultivation
The pattern of settlement distribution in the area is BEST explained in terms of the
A Drainage
B Slope
C Vegetation
D Soils
The topography of the area may be be described as
A A plateau with a broad footslope plain
B A fllod plain with a monodnock
C An undulating high plain with occasional inselbergs
D A rugged hill with a pediment slope
The deposition along the channel of River Amy to the south west is probably due to the
A A construction of a dam across the river
B Fall in gradient at the base of the hill
C Marked increase in the rivers erosive power
D Channelization of the river course
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