POST UTME UNILAG 2018 Geography | Objective

Are you preparing for POST UTME UNILAG 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.

Practice these randomly selected questions to test your readiness.

Question 1
A soil profile is characterized by a distinct B horizon with a high concentration of iron and aluminum oxides. What is the most likely explanation for the formation of this B horizon?
Correct A. Leaching of soluble salts and minerals
B. Weathering of rocks and minerals
C. Deposition of sediment
D. Biological activity

Correct Answer: A

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Question 2
A map shows a river flowing through a valley. What is the most likely explanation for the formation of this valley?
Correct A. Erosion by the river
B. Tectonic uplift
C. Volcanic activity
D. Glacial activity

Correct Answer: A

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Question 3
A population of 1000 people is growing at a rate of 5% per year. What is the population after 10 years?
A. 1500
B. 2000
Correct C. 2500
D. 3000

Correct Answer: C

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Question 4
A city is experiencing a rapid growth in population. What is the most likely explanation for this growth?
A. Natural increase
B. Net migration
Correct C. Urbanization
D. Economic growth

Correct Answer: C

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Question 5
A company is planning to build a new factory in a rural area. What is the most likely environmental impact of this development?
Correct A. Pollution of the water source
B. Habitat destruction
C. Climate change
D. Soil erosion

Correct Answer: A

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Question 6
In the context of Economic Geography, what is the primary factor that determines the location of a manufacturing industry?
Correct A. Accessibility to raw materials
B. Availability of labor
C. Proximity to markets
D. Government incentives

Correct Answer: A

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Question 7
Using the formula for the area of a circle, ( A = pi r^2 ), calculate the area of a circle with a radius of 5 cm.
A. 25π cm^2
Correct B. 50π cm^2
C. 75π cm^2
D. 100π cm^2

Correct Answer: B

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Question 8
What is the name of the process by which the Earth's surface is shaped by the movement of tectonic plates?
A. Weathering
B. Erosion
Correct C. Plate Tectonics
D. Glaciation

Correct Answer: C

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Question 9
Using the formula for the volume of a rectangular prism, ( V = lwh ), calculate the volume of a prism with a length of 6 cm, width of 4 cm, and height of 3 cm.
A. 72 cm^3
B. 96 cm^3
Correct C. 108 cm^3
D. 120 cm^3

Correct Answer: C

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Question 10
What is the name of the largest city in Nigeria, located in the southwestern part of the country?
Correct A. Lagos
B. Abuja
C. Ibadan
D. Kano

Correct Answer: A

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Question 11
The formation of a delta is primarily influenced by the interaction between the river's discharge and the surrounding landscape. Which of the following factors is most significant in determining the shape and size of a delta?
Correct A. River discharge
B. Tectonic activity
C. Sea level rise
D. Climate change

Correct Answer: A

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Question 12
A recent study on the impact of deforestation on soil erosion in a tropical region revealed that the rate of soil erosion increased by 25% after the removal of tree cover. What is the most likely explanation for this increase in soil erosion?
A. Increased runoff
Correct B. Reduced vegetation cover
C. Soil compaction
D. Climate change

Correct Answer: B

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Question 13
A geologist is studying the formation of a mountain range. Which of the following processes is most likely responsible for the formation of the mountain range?
A. Volcanic activity
Correct B. Plate tectonics
C. Weathering and erosion
D. Glaciation

Correct Answer: B

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Question 14
A hydrologist is studying the flow of water in a river. Which of the following factors is most significant in determining the velocity of the water?
A. River discharge
Correct B. Channel slope
C. Water depth
D. River width

Correct Answer: B

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Question 15
A geographer is studying the impact of climate change on sea level rise. Which of the following factors is most significant in determining the rate of sea level rise?
Correct A. Thermal expansion
B. Glacier melting
C. Ice sheet collapse
D. Ocean thermal expansion

Correct Answer: A

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Question 16
In the context of Economic Geography, what is the primary factor that determines the location of a manufacturing industry?
A. Transportation costs
B. Labor costs
C. Market demand
Correct D. Raw material availability

Correct Answer: D

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Question 17
A soil profile consists of the following layers: O, A, B, and C. Which of the following is the primary function of the B horizon?
A. To store water and nutrients
B. To provide a habitat for microorganisms
C. To act as a barrier to root growth
Correct D. To facilitate the movement of water and air

Correct Answer: D

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Question 18
What is the primary mechanism of soil erosion in areas with high rainfall?
Correct A. Water runoff
B. Wind erosion
C. Sheet erosion
D. Gully erosion

Correct Answer: A

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Question 19
A map shows a region with a humid subtropical climate. Which of the following vegetation types is most likely to be found in this region?
A. Tropical rainforest
Correct B. Temperate deciduous forest
C. Grassland
D. Desert

Correct Answer: B

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Question 20
A diagram shows a cross-section of a river valley. Which of the following features is most likely to be found in the valley?
Correct A. A meandering river
B. A waterfall
C. A delta
D. A lake

Correct Answer: A

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Question 21
What is the primary cause of desertification in the Sahel region of West Africa?
Correct A. Overgrazing by livestock
B. Climate change
C. Soil erosion
D. Deforestation

Correct Answer: A

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Question 22
What is the economic significance of the Niger Delta region in Nigeria?
Correct A. It is a major producer of oil
B. It is a major producer of natural gas
C. It is a major producer of agricultural products
D. It is a major producer of minerals

Correct Answer: A

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Question 23
What is the primary factor responsible for the formation of the Benue Trough in Nigeria?
Correct A. Tectonic activity
B. Volcanic activity
C. Weathering and erosion
D. Plate tectonics

Correct Answer: A

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Question 24
What is the economic importance of the Jos Plateau in Nigeria?
A. It is a major producer of agricultural products
Correct B. It is a major producer of minerals
C. It is a major producer of natural gas
D. It is a major producer of oil

Correct Answer: B

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Question 25
What is the primary cause of soil degradation in the savannas of West Africa?
Correct A. Overgrazing by livestock
B. Soil erosion
C. Climate change
D. Deforestation

Correct Answer: A

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