JAMB - Geography (1993)

  • 1
    On September 23 each year, the earth experiences the?
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    (B)
    autumnal equinox
  • 2
    Which of the following explains the variation in the lengths of day and night with the seasons?
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    (B)
    Earth's revolution along its orbit
  • 3
    Which of the following pairs of longitudes forms a Great Circle?
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    (B)
    40°W and 140°E
  • 4
    A layer of very fine wind-deposited sand and silt is known as?
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    (A)
    loess
  • 5
    The variation in the volume of water in a river over time is known as its?
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    (A)
    regime
  • 6
    Which of the following features is formed by the lower plucking, grinding and dragging action of ice?
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    (D)
    Cirque
  • 7
    Which of the following are associated with the lower course of a river?
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    (C)
    Floodplains, ox-bow lakes and deltas
  • 8
    The decrease in temperature at the rate of 6.5°C for every 1,000m of ascent is termed?
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    (B)
    normal lapse rate
  • 9
    Lands and sea breeze occurs as a result of?
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    (D)
    differential heating of land amd water
  • 10
    The main effect of distance from the sea on rainfall is to reduce its?
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    (A)
    amount and seasonality
  • 11
    Mediterranean vegetation is described as xerophytic because it?
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    (B)
    is drought resistant
  • 12
    Which of the following is regarded as an active factor of soil formation?
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    (A)
    Time
  • 13
    The inorganic component of an ecosystem is made up of?
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    (D)
    soil and climate
  • 14
    The growth of population at a rate faster than the available resources may result in?
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    (C)
    overpopulation
  • 15
    The tundra region is sparsely populated because of?
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    (B)
    harsh environmental conditions
  • 16
    Which of the following BEST accounts for rural-urban migration in West Africa?
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    (C)
    limited opportunities in rural areas
  • 17
    A linear settlement is most likely to develop on a?
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    (B)
    routeway
  • 18
    Which of the following factors is MOST important in bringing about a rapid increase in urban population?
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    (D)
    migration from rural areas
  • 19
    The phenomenon whereby the population and functions of a single town in a country far exceed those of others is referred to as?
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    (B)
    dominance
  • 20
    A unique system of arable farming in the semi-arid, warm and cool temperate regions is known as?
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    (B)
    dry farming
  • 21
    Which of the following BEST explains why the Ganges Delta accounts for the world's largest production of jute?
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    (C)
    Monsoon climate and deep rich soil
  • 22
    Which of the following combinations of factors BEST explains the absence of major ocean fishing ground around tropical Africa?
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    (B)
    Narrow comtinental shelf and unindented coastline
  • 23
    The port that specializes in receiving and re-exporting goods is known as?
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    (C)
    entrepot
  • 24
    The three leading manufacturing countries of the world are?
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    (C)
    U.S.A, Germany and Japan
  • 25
    Which of the following shipping routes carries the world's heavies ocean traffic?
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    (B)
    Eastern North America Western Europe
  • 26
    In which of these groups of areas is limestone actively quarried for the manufacture cement in Nigeria?
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    (D)
    Ewekoro, Ukpilla and Nkalagu
  • 27
    Which of the following BEST accounts for the cultivation of groundnut in the northern part of Nigeria?
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    (A)
    loamy soil
  • 28
    A major physical factor restricting the cultivation of perennial crops in the Sudan savannah of Nigeria is the?
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    (C)
    seasonal pattern of rainfall
  • 29
    The largest deposit of gold in West Africa is found in?
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    (A)
    Ghana
  • 30
    The greatest obstacles to regional economic cooperation in ECOWAS are?
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    (A)
    transportation, different currencies and colonial heritage
  • 31
    Which of the following countries can be described as an archipelago?
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    (D)
    Cape Verde
  • 32
    In most of West Africa countries, the primary purpose of establishing the railway system was to?
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    (A)
    transport export goods to the coast
  • 33
    The geological structure of Africa is largely composed of?
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    (C)
    granitic rocks
  • 34
    Which of the following factors account for the traffic on Africa rivers? 1. Availability of cheaper means of transport 2. Seasonal fluctuations of river flow. 3. Pressure of water falls and rapids. 4. Rivers flowing through sparsely populated areas.
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    (B)
    2 and 3
  • 35
    The hope for the development of crop and animal husbandry in parts of the Sahara Desert rests on the possibility of?
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    (A)
    tapping the huge reserves of underground water
  • 36
    Which type of climate is depicted by the graph?
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    (D)
    Equitorial hot and wet in the northern hemisphere
  • 37
    The temperature of this region is characterized by a
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    (A)
    low annual range of about 30oC
  • 38
    The most important minerals found in the area marked X are
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    (D)
    tin and columbite
  • 39
    The major environmental problem associated with the area marked Y is
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    (D)
    gully erosion
  • 40
    The most extensive vegetation type in the area marked Z is the
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    (A)
    fresh water swamp
  • 41
    Which of the ocean currents on the map is the Benguela Current?
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    (C)
    3
  • 42
    The shaded areas marked Y on the map are
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    (C)
    Oil-producing areas
  • 43
    The Ahaggar plateau is the shaded area marked
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    (B)
    Q
  • 44
    The broken lines in the diagram above represent a
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    (C)
    Watershed
  • 45
    The main work of the rivers in the shaded area is likely to be
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    (D)
    Down-cutting