POST UTME LASU 2022 Geography | Objective

Practice these randomly selected questions to test your readiness.

Question 1
A river flowing through a region with a high population density has a high concentration of suspended solids. What is the most likely cause of this?
A. Erosion of rocks and soil
B. Runoff from agricultural activities
C. Sedimentation of particles
D. Human activities such as construction and mining
Question 2
A company is planning to establish a new factory in a region with a high level of environmental degradation. What type of environmental impact assessment should the company conduct?
A. Environmental Impact Statement
B. Environmental Risk Assessment
C. Environmental Audit
D. Environmental Management Plan
Question 3
The process of soil formation involves the breakdown of rocks into smaller particles through physical and chemical weathering. Which of the following is an example of a physical weathering process?
A. Freeze-thaw action
B. Chemical weathering
C. Biological weathering
D. Erosion
Question 4
The diagram below shows a simple economic graph. Identify the type of economic system that is represented by the graph.
A. Command Economy
B. Market Economy
C. Mixed Economy
D. Traditional Economy
Question 5
The Kainji Dam is a major hydroelectric dam in Nigeria. What is the primary purpose of this dam?
A. To generate electricity for the national grid.
B. To provide irrigation water for agricultural crops.
C. To control flooding and prevent downstream erosion.
D. To create a reservoir for fishing and recreational activities.
Question 6
The Benue Trough is a region of significant geological interest in Nigeria. What is the primary geological feature of this region?
A. A rift valley, with a long, narrow depression and faulting.
B. A fault zone, with significant tectonic activity and earthquakes.
C. A plateau, with a flat or gently sloping top and steep sides.
D. A volcanic field, with numerous volcanic cones and lava flows.
Question 7
The diagram below shows a cross-section of a river valley. What is the name of the landform labeled 'A'?
A. Meander
B. Oxbow lake
C. Delta
D. Floodplain
Question 8
The concept of 'carrying capacity' in population studies refers to the maximum number of individuals of a species that an environment can sustainably support. Which of the following is a factor that can affect carrying capacity?
A. Availability of food resources
B. Climate change
C. Technological advancements
D. Population growth rate
Question 9
The diagram below shows a simple circuit. Identify the component that is responsible for controlling the flow of electricity.
A. Switch
B. Resistor
C. Capacitor
D. Inductor
Question 10
The Niger Delta region is characterized by a complex network of rivers, creeks, and wetlands. What type of ecosystem does this region support?
A. Freshwater Ecosystem
B. Brackish Water Ecosystem
C. Marine Ecosystem
D. Mangrove Ecosystem
Question 11
The population density of a country is given by the formula ( P = rac{N}{A} ), where ( P ) is the population density, ( N ) is the total population, and ( A ) is the total area. If the total population of a country is 100 million and the total area is 500,000 km², calculate the population density.
A. 200 people/km²
B. 50 people/km²
C. 100 people/km²
D. 500 people/km²
Question 12
The diagram below shows the cross-section of a river valley.
A. A meandering river
B. A braided river
C. A river with a steep gradient
D. A river with a gentle gradient
Question 13
The process of weathering that involves the breakdown of rocks into smaller fragments through mechanical forces is known as
A. Chemical weathering
B. Physical weathering
C. Biological weathering
D. Hydrological weathering
Question 14
A graph showing the relationship between temperature and precipitation in a region shows a positive correlation. What is the most likely reason for this?
A. Increased evaporation due to higher temperatures
B. More frequent and intense precipitation events
C. Changes in atmospheric circulation patterns
D. Human activities such as deforestation and urbanization
Question 15
The savannas of West Africa are characterized by a distinct wet and dry season. What is the primary reason for this seasonal variation?
A. The Intertropical Convergence Zone (ITCZ) shifts northward during the dry season.
B. The African Easterly Jet (AEJ) strengthens during the wet season.
C. The Sahara Desert to the north creates a rain shadow effect.
D. The Guinea Current brings warm, moist air from the Gulf of Guinea.

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