JAMB - Geography (1987)

1
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?
Answer
(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?
Answer
(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?
Answer
(D)
105°W
4
Latitudes 66 1/2° North and South of the Equator are important because they?
Answer
(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?
Answer
(A)
rejuvenated river valleys
6
A coastline of drowned river valleys is called a?
Answer
(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?
Answer
(A)
faulting
8
Salinity in Black Sea is generally lower than the average for the oceans on the same latitudes because?
Answer
(C)
large rivers empty into the sea
9
Which of the following factors explains the temperature difference between Dakar and Ouaga-dougou?
Answer
(B)
Distance from the sea
10
In which of the following types of climate are cyclones most prevalent?
Answer
(D)
warm Temperate climate
11
Which of these is a major controlling factor of the climate of a place?
Answer
(C)
Air-mass
12
The rain forest of South America is often referred to as?
Answer
(B)
Selvas
13
Mangrove vegetation is found along the coast of?
Answer
(C)
Tanzania
14
In which of the following types of vegetation would cork oak and Aleppo pine be found?
Answer
(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?
Answer
(B)
Coniferous forest
16
The direct effect of sheet erosion on soils is the?
Answer
(B)
washing away of the fine clay and humus particles
17
The best soil conservation practices are those aimed at?
Answer
(C)
sustaining the productivity of the soil
18
Growth of world population over anyone period of time is best explained by?
Answer
(B)
advances in the knowedge of medicine
19
The most obvious evidence of over population in some parts of south eastern Nigeria is the?
Answer
(B)
extensive land degradation
20
Which of the following farming systems is likely to give rise to nucleated rural settlements?
Answer
(B)
Large-scale farming
21
The level of urbanization in a country means the?
Answer
(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?
Answer
(B)
Quarrying
23
Urban centers originate mainly as zones of?
Answer
(D)
non-primary economic activity
24
Four elements of the natural environment which influence rural land use are?
Answer
(B)
climate, relief soil and vegetation
25
The major world exporters of wool are?
Answer
(A)
New Zealand, Uruguay, Australia and Argentina
26
Fishing is the mainstay of the economy of?
Answer
(C)
Argentina
27
Which of these sets of economic activities is completely primary?
Answer
(C)
Fishing, lumbering,farming and mining
28
Which of the following industries is likely be located at the source of its major raw materials?
Answer
(D)
Cement manufacturing
29
A manufacturing industry would tend to be market-oriented if the?
Answer
(D)
finished goods are highly perishable
30
Which of the following expresses the main advantages of road transportation?
Answer
(D)
Flexibility and maxium access along transport routes
31
The Bakolori irrigation scheme is located near?
Answer
(C)
Gusau
32
Improved agricultural production in Cote d'Ivoire is due mainly to?
Answer
(A)
abundant and reliable rainfall
33
Why is the fallow period decreasing in the agricultural areas of West Africa?
Answer
(B)
population preesure is increasing
34
Which of these African mountains is NOT volcanic?
Answer
(D)
Ruwenzori
35
The major export products of Nambia are?
Answer
(A)
uranium and diamond
36
Most Africa economies are characterized by?
Answer
(C)
low productivity and low per capital income
37
The point marked N which is the site of hydroelectric power project is at the
Answer
(C)
Shiroro Gorge
38
The two locations marked X and Y have workable deposits of
Answer
(A)
coal
39
The shaded areas marked R and S are noted for the production of
Answer
(B)
palm oil
40
The irrigation project in the area marked Q is devoted to the cultivation of
Answer
(B)
cotton and rice
41
The railway extension from J to M was constructed in the 1960s to evacuate
Answer
(B)
cotton and groundunts
42
The temperature of the warmest month at Station X is
Answer
(A)
5oC
43
The temperature in both July and September at Station X is
Answer
(A)
0oC
44
The annual range of temperature at Station X is
Answer
(B)
10oC
45
Which of the following represents the cheapest mode of transportation?
Answer
(A)
Water