Geography is the study of the Earth's landscapes, features, inhabitants, and natural phenomena. It aims to understand the locations of various elements, the reasons for their presence, and how they evolve and transform over time.
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Question 31: Dependency ratio is determined by
Options:
A) rate of natural increase
B) age structure
C) net migration
D) sex composition
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The correct answer is B .
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Question 32: The relatively low level of rail transport development in tropical Africa has?
Options:
A) encouraged the development of airports
B) reduced governement expenditure on transportation
C) placed undue pressure on roads
D) increased the rate of migration from the sea
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The correct answer is C .
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Question 33: Rotation of the earth is
Options:
A) The movement of the earth in the atmosphere
B) The movement of the earth on its axis
C) The movement of the earth round the sun
D) The movement of the moon round the earth
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The correct answer is B .
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Question 34:
One of the following is not a sequence of denudation
Options:
A) Erosion
B) Transportation
C) Decomposition
D) Deposition
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The correct answer is C .
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Question 35: The survival of an organism in a natural ecosystem depends largely on?
Options:
A) its importance to other organisms
B) environmental adjustments to suit it
C) its adaptation to prevailing conditions
D) its usefulness to human development
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The correct answer is C .
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Question 36:
The exploitation of timber in equatorial Africa causes
Options:
A) environmental pollution
B) less rainfall run-off
C) soil erosion
D) high cost of foreign products
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The correct answer is C .
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Question 37: For what specific purpose is the Shiroro Dam on the river Kaduna being constructed?
Options:
A) Flood control
B) The develoment of a fishing industry
C) irrigation
D) Generating electricity
E) Urban water supply
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The correct answer is D .
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Question 38: One of the following properties of soil can be easily observed in the field
Options:
A) Fertility
B) Texture
C) Permeablity
D) Acidity
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The correct answer is B .
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Question 39:
River regime is best described as the
Options:
A) rate at which a river flows
B) seasonal variation in the volume of water in a river
C) period a river overflows its banks
D) amount of load a river carries
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The correct answer is B .
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Question 40: The zone which is rich in iron, aluminium, magnesium and clay substances is the?
Options:
A) Chorizon
B) Dhorizon
C) Ahorizon
D) Bhorizon
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The correct answer is D .