JAMB - Geography (1991)

1
By how many times will a map measuring 12cm by 7cm be enlarged to make its area 336cm2?
Answer
(A)
Twice
2
Use the table below to answer the following two question.

Country.................Iron ore output in 1975 Output
...........................'000 tonnes
USSR...........................139.82
Australia......................64.82
Brazil.........................48.77
USA...............................46.78
China............................36.00

If the five countries produced 3335,990 tonnes of iron ore, what percentage was produced by the USSR?
Answer
(A)
41.614%
3
The two most appropriate statistical diagrams that can be used to depict the data are?
Answer
(A)
pie chart abd bar graph
4
If the deadline given Iraq expired at 7.p.m (ET) on 15th January, 1991 in New York, USA(Longitude75°W), at what time did it expire in Baghdad (Longitude 45°E)?
Answer
(D)
3am, 16th January
5
The four basic components of the physical environment are?
Answer
(A)
atmospere, lithosphere, hydrosphere and biosphere
6
Petroleum is usually abundant in?
Answer
(C)
synclinal structures of sedimentary rocks
7
Ocean currents are caused mainly by?
Answer
(C)
prvailing surfaces winds
8
Which of the following is the cause of south-westerly and north-easterly directions of the winds in the northern tropics?
Answer
(A)
The rotation of the earth
9
One of the consequences of the global increase in the carbon dioxide content of the atmosphere is?
Answer
(B)
the destruction of the ozone layer
10
Which of the following cloud types is commonly associated with contiuous precipitation?
Answer
(D)
Nimbostratus
11
The tropical Rainforest differs in structure from the Savannah in that?
Answer
(D)
the Savannah has less species diversity than the Rainforest
12
The main source of tropical hardwood for timber is the?
Answer
(C)
rainforest
13
One of the problems of soil management in a humid areas is?
Answer
(A)
leaching of minerals
14
Lateralization of the soil is very common in the?
Answer
(A)
tropical region
15
Shifting cultivation is an agricultural practice involving?
Answer
(D)
cultivating alternative plots to allow for natural regeneration
16
Which of the following factors is LEAST important in the location of industries?
Answer
(B)
Climate
17
One of the major raw materials needed in the iron and steel industry is?
Answer
(D)
limestone
18
Which of the following is NOT an important factor in determining population distribution in a country or region?
Answer
(C)
Longitudinal location
19
The most serious demographic problem in Southeast Asia is?
Answer
(D)
high growth rate
20
The rate of natural increase that has been adjusted for net immigration or emigration is the?
Answer
(A)
fertility rate
21
One of the effects of rural-urban migration on the source region is?
Answer
(C)
rural depopulation
22
Which of the following farming systems is likely to give rise to nucleated rural settlements?
Answer
(B)
Large-scale farming
23
Which of the following combinations of factors BEST accounts for the evolution of cities?
Answer
(C)
Transport, defence and climate
24
Which of the following are port terminals of the Atlantic-Far East sea routes?
Answer
(C)
Hong Kong, Singapore, Manila and Tokyo
25
Fruits produced in the Mediterranean region of Africa are exported mainly to Western Europe rather than to Africa countries because?
Answer
(C)
there is higher demand for fruits in Western Europe than in Africa
26
Which of these sets of economic activities is completely primary?
Answer
(B)
Fishing, Lumbering, farming and mining
27
Which of the following countries has the least potential for the production of steel?
Answer
(C)
Cuba
28
The development of coal as a source of energy is relatively on the decline because of?
Answer
(D)
the development of new sources of energy
29
Which of the following factors accounts for large-scale fishing off the east coast of Canada?
Answer
(B)
Abundance of plankton
30
Two main determinants of the spatial distribution of agricultural crops in Nigeria are?
Answer
(A)
climate and soil
31
Which of the following is the major obstacle to cattle rearing in parts of Anambra and Abia States?
Answer
(D)
High incidence of tsetse fly infestation
32
Two areas of very sparse population in Nigeria are?
Answer
(A)
the Niger Delta and parts of Niger State
33
The soil type which favors the growth of cotton in Northern Nigeria is?
Answer
(C)
light, loose sandy soils
34
The distribution of mineral resources in Nigeria is related to its?
Answer
(C)
vegetation
35
The two major economic activities in the Chad basin are?
Answer
(C)
fishing and irrigation agriculture
36
Which of the African countries is noted for lumbering?
Answer
(C)
Zarie
37
The diversions marked T, X, Y and Z are known collectively as
Answer
(B)
bedding planes
38
The features marked PQ is a fault
Answer
(A)
line
39
JFMAMJJASOND
ToC-11-94312171917114-2-8
P(mm)282330384851717456364141

           T = Temperature     P = precipitation

The annual temperature range at the station is
Answer
(C)
30oC
40
JFMAMJJASOND
ToC-11-94312171917114-2-8
P(mm)282330384851717456364141

             T = temperature P = Precipitation 

What type of climate has the station?
Answer
(C)
Cool temperate
41
Which of the following cross sections best illustrates a glaciated valley?
Answer
(A)
I
42
The cross section marked IV best illustrate a river valley at its
Answer
(A)
upper course
43
Which of the following reasons BEST explains why African rivers are not very navigable?
Answer
(C)
Most of the river courses are interrupted by rapids
44
The two major air masses affecting the climate of West Africa are the
Answer
(C)
Tropical continenal and the tropical maritime
45
One of the places noted for irrigation agriculture in Africa is the
Answer
(B)
Ghezira Plains