POST UTME LASU 2018 Geography | Objective

Are you preparing for POST UTME LASU exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2018 Geography (Objective) questions designed to simulate the real exam environment.

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Question 1
The Earth's rotation causes the Coriolis effect, which in turn influences the formation of weather patterns. What is the primary mechanism by which the Coriolis effect affects global climate?
A. Deflection of high and low-pressure systems
B. Formation of ocean currents
C. Precipitation patterns
Correct D. Global wind patterns

Correct Answer: D

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Question 2
A river's gradient is the ratio of its slope to its length. What is the primary factor that determines a river's gradient?
A. Tributary input
B. Water volume
Correct C. Slope
D. Length

Correct Answer: C

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Question 3
The Niger Delta is a major wetland ecosystem in West Africa. What is the primary reason for the high levels of sedimentation in the Niger Delta?
A. Tectonic activity
B. Volcanic eruptions
Correct C. River discharge
D. Sea level rise

Correct Answer: C

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Question 4
The concept of 'carrying capacity' is used in ecology to describe the maximum population size of a species that can be supported by its environment. What is the primary factor that determines a species' carrying capacity?
Correct A. Food availability
B. Water availability
C. Habitat size
D. Predator-prey relationships

Correct Answer: A

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Question 5
The concept of 'entropy' is used in thermodynamics to describe the measure of disorder or randomness in a system. What is the primary reason for the increase in entropy in a closed system?
Correct A. Heat transfer
B. Work done
C. Internal energy change
D. External pressure

Correct Answer: A

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Question 6
The concept of 'Environmental Impact Assessment' (EIA) is closely related to which of the following?
A. Environmental Management
Correct B. Sustainable Development
C. Conservation Biology
D. Ecological Restoration

Correct Answer: B

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Question 7
The diagram below represents a cross-section of the Earth's atmosphere. Which of the following layers is responsible for absorbing most of the Sun's ultraviolet radiation?
A. Troposphere
Correct B. Stratosphere
C. Mesosphere
D. Thermosphere

Correct Answer: B

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Question 8
The map below shows the distribution of population density in Nigeria. Which of the following cities is NOT located in the densely populated region?
A. Lagos
B. Abuja
C. Kano
Correct D. Jos

Correct Answer: D

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Question 9
The diagram below represents a simple harmonic motion. What is the amplitude of the motion?
Correct A. 2m
B. 3m
C. 4m
D. 5m

Correct Answer: A

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Question 10
The map below shows the distribution of rainfall in Nigeria. Which of the following regions receives the highest amount of rainfall?
Correct A. South-South
B. South-East
C. North-East
D. North-West

Correct Answer: A

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Question 11
What is the primary factor controlling the rate of soil erosion in a given area?
A. Water flow
Correct B. Vegetation cover
C. Topography
D. Climate

Correct Answer: B

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Question 12
A population of 100,000 people is growing at a rate of 5% per annum. What is the population after 5 years?
A. 105,000
B. 110,000
Correct C. 115,000
D. 120,000

Correct Answer: C

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Question 13
What is the main economic activity in the Niger Delta region of Nigeria?
A. Agriculture
B. Mining
Correct C. Oil and Gas
D. Tourism

Correct Answer: C

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Question 14
What is the process by which the Earth's surface is shaped by external forces such as wind, water, and ice?
A. Weathering
B. Erosion
C. Deposition
Correct D. Denudation

Correct Answer: D

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Question 15
What is the term for the movement of people from rural areas to urban areas?
Correct A. Urbanization
B. Ruralization
C. Migration
D. Counterurbanization

Correct Answer: A

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Question 16
Determine the rate of soil erosion in a given area using the Revised Universal Soil Loss Equation (RUSLE). The area has a slope length of 100 m, a slope steepness of 10°, a soil erodibility factor of 0.5, a vegetation cover factor of 0.8, a topographic factor of 1.2, and a rainfall erosivity factor of 400.
A. 0.5 t/ha/yr
Correct B. 1.0 t/ha/yr
C. 1.5 t/ha/yr
D. 2.0 t/ha/yr

Correct Answer: B

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Question 17
A rock sample has a density of 2.5 g/cm³ and a volume of 50 cm³. Calculate the mass of the rock sample using the formula: mass = density × volume.
A. 62.5 g
Correct B. 125 g
C. 250 g
D. 500 g

Correct Answer: B

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Question 18
A company is considering investing in a new project that will generate revenue of ₦10 million in the first year, ₦15 million in the second year, and ₦20 million in the third year. Calculate the present value of the project using the formula: PV = Σ (CFt / (1 + r)^t), where CFt is the cash flow in year t, r is the discount rate, and t is the time period.
A. ₦30,000
B. ₦50,000
Correct C. ₦70,000
D. ₦90,000

Correct Answer: C

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Question 19
A farmer is considering using a new fertilizer that will increase crop yields by 20%. Calculate the increase in revenue using the formula: revenue = price × quantity.
A. ₦20,000
Correct B. ₦40,000
C. ₦60,000
D. ₦80,000

Correct Answer: B

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Question 20
A company is considering investing in a new project that will generate revenue of ₦10 million in the first year, ₦15 million in the second year, and ₦20 million in the third year. Calculate the net present value of the project using the formula: NPV = PV - I, where PV is the present value and I is the initial investment.
A. ₦30,000
B. ₦50,000
Correct C. ₦70,000
D. ₦90,000

Correct Answer: C

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Question 21
The Earth's axial tilt is responsible for the uneven distribution of solar energy across the planet. Which of the following is a consequence of this uneven distribution?
Correct A. Seasonal variations in temperature and precipitation
B. The formation of deserts and rainforests
C. The creation of mountain ranges and ocean basins
D. The development of polar ice caps and glaciers

Correct Answer: A

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Question 22
A map projection is a way of representing the Earth's surface on a flat surface. Which of the following map projections is known for preserving angles and shapes?
A. Mercator projection
Correct B. Gall-Peters projection
C. Robinson projection
D. Azimuthal equidistant projection

Correct Answer: B

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Question 23
The process of weathering involves the breakdown of rocks into smaller particles. Which of the following types of weathering is responsible for the formation of rounded pebbles?
Correct A. Mechanical weathering
B. Chemical weathering
C. Physical weathering
D. Biological weathering

Correct Answer: A

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Question 24
The Niger Delta is a major sedimentary basin in Nigeria. Which of the following is a characteristic of the Niger Delta?
A. It is a rift valley
B. It is a fold mountain
Correct C. It is a sedimentary basin
D. It is a volcanic region

Correct Answer: C

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Question 25
The process of plate tectonics involves the movement of the Earth's lithosphere. Which of the following is a type of plate boundary?
Correct A. Divergent boundary
B. Convergent boundary
C. Transform boundary
D. Stationary boundary

Correct Answer: A

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