POST UTME LASU 2023 Geography | Objective

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Question 1
The diagram below shows a cross-section of a river valley. What is the likely effect of the river's meandering on the surrounding landscape?
Correct A. The river will erode the surrounding landscape, creating a deeper valley.
B. The river will deposit sediment, creating a wider valley.
C. The river will not affect the surrounding landscape.
D. The river will create a new channel, bypassing the existing valley.

Correct Answer: A

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Question 2
A company is considering investing in a new project that will require the extraction of a rare mineral. What is the primary environmental concern associated with this project?
A. Water pollution
B. Air pollution
C. Soil contamination
Correct D. Loss of biodiversity

Correct Answer: D

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Question 3
A map shows a region with a high population density and a low level of economic development. What is the likely relationship between population density and economic development in this region?
A. There is a positive correlation between population density and economic development.
Correct B. There is a negative correlation between population density and economic development.
C. There is no correlation between population density and economic development.
D. The relationship between population density and economic development is unclear.

Correct Answer: B

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Question 4
A geologist is studying the formation of a mountain range. What is the primary process responsible for the formation of this mountain range?
A. Weathering
B. Erosion
Correct C. Plate tectonics
D. Volcanic activity

Correct Answer: C

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Question 5
A company is considering investing in a new project that will require the extraction of a rare mineral. What is the primary economic concern associated with this project?
A. Job creation
B. Increased tax revenue
C. Environmental degradation
Correct D. Loss of economic competitiveness

Correct Answer: D

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Question 6
The Niger Delta region of Nigeria is characterized by a complex network of rivers and creeks. Which of the following is a major factor contributing to the high level of sedimentation in this region?
A. High rainfall intensity
B. Deforestation and land degradation
Correct C. Human activities such as dredging and sand mining
D. Tectonic uplift of the surrounding terrain

Correct Answer: C

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Question 7
The Jos Plateau is a region of Nigeria known for its rich mineral resources. Which of the following minerals is NOT found in significant quantities in this region?
A. Gold
Correct B. Copper
C. Iron ore
D. Limestone

Correct Answer: B

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Question 8
The Niger River is the longest river in West Africa and flows through several countries, including Nigeria. Which of the following is a major challenge facing the management of this river?
A. Over-extraction of water for irrigation and industrial purposes
B. Pollution from agricultural runoff and industrial effluent
Correct C. Sedimentation and erosion due to deforestation and land degradation
D. Climate change and variability

Correct Answer: C

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Question 9
The Sahara Desert covers a vast area of North Africa, including parts of Nigeria. Which of the following is a major impact of desertification on the environment?
A. Loss of biodiversity and ecosystem services
B. Increased risk of drought and famine
C. Soil degradation and erosion
Correct D. All of the above

Correct Answer: D

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Question 10
The Niger Delta region is home to a diverse range of flora and fauna. Which of the following is a major threat to the conservation of this biodiversity?
Correct A. Habitat destruction and fragmentation
B. Overfishing and pollution
C. Climate change and sea-level rise
D. Human-wildlife conflict

Correct Answer: A

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Question 11
The process of weathering that involves the breakdown of rocks into smaller fragments through the action of ice is known as:
A. Mechanical weathering
B. Chemical weathering
Correct C. Physical weathering
D. Biological weathering

Correct Answer: C

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Question 12
The diagram below shows the relationship between the amount of rainfall and the type of vegetation in a region. Which of the following types of vegetation is most likely to be found in a region with high rainfall?
Correct A. Tropical rainforest
B. Desert
C. Grassland
D. Temperate forest

Correct Answer: A

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Question 13
The diagram below shows a cross-section of a river. Which of the following features is most likely to be found in the middle of the river?
Correct A. Thalweg
B. Meander
C. Oxbow lake
D. Delta

Correct Answer: A

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Question 14
The diagram below shows the relationship between the amount of rainfall and the type of agriculture in a region. Which of the following types of agriculture is most likely to be found in a region with low rainfall?
A. Irrigation agriculture
Correct B. Rain-fed agriculture
C. Nomadic herding
D. Shifting cultivation

Correct Answer: B

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Question 15
The diagram below shows the relationship between the amount of rainfall and the type of settlement in a region. Which of the following types of settlement is most likely to be found in a region with high rainfall?
Correct A. Tropical rainforest settlement
B. Desert settlement
C. Grassland settlement
D. Temperate forest settlement

Correct Answer: A

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Question 16
The diagram below shows a cross-section of a river valley. Which of the following landforms is NOT a result of the river's erosional activity?
Correct A. A waterfall
B. A delta
C. A meander
D. A lake

Correct Answer: A

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Question 17
A company is considering investing in a new project that will require an initial investment of ₦1.5 million and is expected to generate ₦2.5 million in revenue per year for 5 years. What is the present value of the project using a discount rate of 10%?
Correct A. ₦1,200,000
B. ₦1,500,000
C. ₦1,800,000
D. ₦2,000,000

Correct Answer: A

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Question 18
The diagram below shows a graph of the relationship between the amount of fertilizer used and the yield of a crop. What is the marginal product of fertilizer?
A. 10 units
B. 20 units
Correct C. 30 units
D. 40 units

Correct Answer: C

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Question 19
A rock sample is found to have a density of 2.5 g/cm³ and a volume of 10 cm³. What is the mass of the rock sample?
A. 20 g
Correct B. 25 g
C. 30 g
D. 35 g

Correct Answer: B

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Question 20
The diagram below shows a cross-section of a mountain range. Which of the following landforms is a result of the process of plate tectonics?
A. A waterfall
B. A delta
Correct C. A mountain
D. A lake

Correct Answer: C

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Question 21
The savannas of West Africa are characterized by a distinct wet and dry season. What is the primary factor responsible for this seasonal variation?
A. Temperature
Correct B. Precipitation
C. Evapotranspiration
D. Solar Radiation

Correct Answer: B

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Question 22
The Niger Delta is a major sedimentary basin in Nigeria. What is the primary mechanism responsible for its formation?
A. Tectonic Uplift
B. Erosion
Correct C. Deposition
D. Volcanic Activity

Correct Answer: C

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Question 23
The Ogun River is a major tributary of the Lagos Lagoon. What is the primary function of the river's mouth?
A. Dissipation of Energy
Correct B. Transportation of Sediment
C. Formation of a Delta
D. Regulation of Water Level

Correct Answer: B

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Question 24
The Jos Plateau is a region of volcanic activity in Nigeria. What is the primary type of rock formed as a result of this activity?
Correct A. Igneous
B. Sedimentary
C. Metamorphic
D. Hydrothermal

Correct Answer: A

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Question 25
The Niger River is a major source of hydroelectric power in Nigeria. What is the primary mechanism responsible for its flow?
Correct A. Gravity
B. Atmospheric Pressure
C. Tectonic Uplift
D. Evapotranspiration

Correct Answer: A

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