The angle of difference formed between the true North and magnetic North is known as
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(A)
magnetic declination
3
If the time in town X on longitude 150E is 1.00pm on Saturday. What will be the time in town Y on longitude 750W?
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(D)
7.00 am on saturday
4
The mineral contents of the upper part of the earth's crust are collectively called the sial because it is composed mainly of
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(C)
silica and alumina
5
The lowest layer of the atmosphere is the
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(B)
troposphere
6
Which of the following is the most abundant in total volume within the atmosphere?
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(C)
nitrogen
7
A rock through which water cannot easily pass is termed
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(D)
impermeable
8
Which of the following is the most effective agent of coastal erosion?
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(B)
sea waves
9
Which of the following towns is in koppen's Aw climate?
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(D)
lome
10
In areas where folding has occurred, oil and natural gas usually collect in
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(A)
synclines
11
Which of the following does not encourage the formation of rainfall?
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(C)
descending wind
12
Which of the following does not encourage the formation of rainfall?
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(C)
descending wind
13
The most permanent physical properly of the soil is its
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(B)
texture
14
Desert areas experience high daily range of temperature because
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(B)
the sky is cloudless
15
Which of the following is a warm ocean current?
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(A)
the mozambique current
16
Air pollution is caused by all the following except
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(A)
evapo-transpiration
17
The acacia tree is commonly found in the
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(C)
savannah lands
18
Which of the following in the lower atmosphere is of little use to man,plants and animals?
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(D)
argon
19
The dynamic and interdependent complex interaction of soil,climate and vegetation with its animal population is called
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(B)
ecosystem
20
A build-up area consisting of a number of towns or cities merged together yet maintaining their individual identities is termed a/an
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(D)
conurbation
21
Which of the following are true of most large cities? I. They have large plantations II. They are capital cities III. They are religious centres IV. They are commercial centres
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(A)
II and IV
22
Which of the following is not a plantation crop in West Africa?
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(B)
wheat
23
The roles of transportation in economic development in West Africa include all the following except
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(A)
national disintegration
24
Aluminum is used largely in the
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(A)
aviation industry
25
Light industries predominate in West Africa because of
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(A)
inadequate capital
26
Possible solution to the problem of soil erosion in the highlands of West Africa include all the following except
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(A)
indiscriminate felling of trees
27
Which of the following is not a common farming system in West Africa?
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(C)
terracing
28
The busiest and most important ocean trade route is
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(C)
north atlantic route
29
The dry winds that blow out of the Sahara desert towards the southern parts of West Africa is known as
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(D)
harnattan
30
In which of the following periods is the harmattan dominant in West Africa?
