On a map of scale 1:50 000 with contour interval at 20 meters, two places are 4cm apart and one lies five contour intervals higher than the other.
The Gradient along a straight line between the two places is approximately?
Trả lời
(B)
1 : 20
2
The map of a farm on scale 1 : 50 000 measures 10.2cm by 12.6cm. The actual area of the farm to the nearest km2 is?
Trả lời
(C)
32
3
A radio message sent from Lagos at 2.pm was received at another location at 7.a.m the same day.
What is the approximate longitudinal position of the location?
Trả lời
(D)
105°W
4
Latitudes 66 1/2° North and South of the Equator are important because they?
Trả lời
(C)
mark the limits of the polar areas which experience periods of continuous night and daylight
5
Entrenched meanders, unpaired alluvial terraces and Knickpoints are features associated with?
Trả lời
(A)
rejuvenated river valleys
6
A coastline of drowned river valleys is called a?
Trả lời
(D)
ria coastline
7
When subjected to sufficient stress, rocks break and sometimes move along the plane of fracture and are displaced. This process is known as?
Trả lời
(A)
faulting
8
Salinity in Black Sea is generally lower than the average for the oceans on the same latitudes because?
Trả lời
(C)
large rivers empty into the sea
9
Which of the following factors explains the temperature difference between Dakar and Ouaga-dougou?
Trả lời
(B)
Distance from the sea
10
In which of the following types of climate are cyclones most prevalent?
Trả lời
(D)
warm Temperate climate
11
Which of these is a major controlling factor of the climate of a place?
Trả lời
(C)
Air-mass
12
The rain forest of South America is often referred to as?
Trả lời
(B)
Selvas
13
Mangrove vegetation is found along the coast of?
Trả lời
(C)
Tanzania
14
In which of the following types of vegetation would cork oak and Aleppo pine be found?
Trả lời
(D)
Mediterranean woodland
15
Under which of the following vegetation types would you expect to find soils which have a B horizon rich in calcium carbonate?
Trả lời
(B)
Coniferous forest
16
The direct effect of sheet erosion on soils is the?
Trả lời
(B)
washing away of the fine clay and humus particles
17
The best soil conservation practices are those aimed at?
Trả lời
(C)
sustaining the productivity of the soil
18
Growth of world population over anyone period of time is best explained by?
Trả lời
(B)
advances in the knowedge of medicine
19
The most obvious evidence of over population in some parts of south eastern Nigeria is the?
Trả lời
(B)
extensive land degradation
20
Which of the following farming systems is likely to give rise to nucleated rural settlements?
Trả lời
(B)
Large-scale farming
21
The level of urbanization in a country means the?
Trả lời
(C)
proportion of the country's population living in urban areas
22
Which of these economic activities is LEAST characteristic of a typical urban centre?
Trả lời
(B)
Quarrying
23
Urban centers originate mainly as zones of?
Trả lời
(D)
non-primary economic activity
24
Four elements of the natural environment which influence rural land use are?
Trả lời
(B)
climate, relief soil and vegetation
25
The major world exporters of wool are?
Trả lời
(A)
New Zealand, Uruguay, Australia and Argentina
26
Fishing is the mainstay of the economy of?
Trả lời
(C)
Argentina
27
Which of these sets of economic activities is completely primary?
Trả lời
(C)
Fishing, lumbering,farming and mining
28
Which of the following industries is likely be located at the source of its major raw materials?
Trả lời
(D)
Cement manufacturing
29
A manufacturing industry would tend to be market-oriented if the?
Trả lời
(D)
finished goods are highly perishable
30
Which of the following expresses the main advantages of road transportation?
Trả lời
(D)
Flexibility and maxium access along transport routes
31
The Bakolori irrigation scheme is located near?
Trả lời
(C)
Gusau
32
Improved agricultural production in Cote d'Ivoire is due mainly to?
Trả lời
(A)
abundant and reliable rainfall
33
Why is the fallow period decreasing in the agricultural areas of West Africa?
Trả lời
(B)
population preesure is increasing
34
Which of these African mountains is NOT volcanic?
Trả lời
(D)
Ruwenzori
35
The major export products of Nambia are?
Trả lời
(A)
uranium and diamond
36
Most Africa economies are characterized by?
Trả lời
(C)
low productivity and low per capital income
37
The point marked N which is the site of hydroelectric power project is at the
Trả lời
(C)
Shiroro Gorge
38
The two locations marked X and Y have workable deposits of
Trả lời
(A)
coal
39
The shaded areas marked R and S are noted for the production of
Trả lời
(B)
palm oil
40
The irrigation project in the area marked Q is devoted to the cultivation of
Trả lời
(B)
cotton and rice
41
The railway extension from J to M was constructed in the 1960s to evacuate
Trả lời
(B)
cotton and groundunts
42
The temperature of the warmest month at Station X is
Trả lời
(A)
5oC
43
The temperature in both July and September at Station X is
Trả lời
(A)
0oC
44
The annual range of temperature at Station X is
Trả lời
(B)
10oC
45
Which of the following represents the cheapest mode of transportation?