POST UTME UNIOSUN 2020 Geography | Objective

Are you preparing for POST UTME UNIOSUN exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2020 Geography (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
The Niger Delta region of Nigeria is characterized by a complex network of rivers and creeks. What is the primary reason for this complex network?
A. Tectonic activity
Correct B. Erosion and sedimentation
C. Human activities such as deforestation and agriculture
D. Climate change

Correct Answer: B

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Question 2
The population of Nigeria is projected to reach 440 million by 2050. What is the primary factor contributing to this rapid population growth?
Correct A. High fertility rate
B. Low mortality rate
C. Urbanization
D. Migration

Correct Answer: A

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Question 3
The map below shows the distribution of major cities in Nigeria. What is the primary reason for the concentration of cities in the southern region?
A. Climate
B. Geology
Correct C. Economic factors
D. Cultural factors

Correct Answer: C

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Question 4
The diagram below shows a cross-section of the Niger Delta region. What is the primary reason for the formation of this unique landscape?
A. Tectonic activity
Correct B. Erosion and sedimentation
C. Human activities such as deforestation and agriculture
D. Climate change

Correct Answer: B

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Question 5
The Earth's atmosphere is composed of 78% nitrogen, 21% oxygen, and 1% other gases. What is the primary function of the atmosphere?
A. Regulation of temperature
B. Protection from harmful radiation
C. Supply of oxygen
Correct D. All of the above

Correct Answer: D

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Question 6
The diagram below shows the spatial distribution of Nigeria's major mineral resources. Which of the following regions is NOT a major producer of petroleum?
A. Delta State
B. Rivers State
C. Bayelsa State
Correct D. Kogi State

Correct Answer: D

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Question 7
The diagram below shows the relationship between population density and agricultural productivity in Nigeria. What is the likely effect of increasing population density on agricultural productivity?
A. Increase
Correct B. Decrease
C. No effect
D. Unpredictable

Correct Answer: B

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Question 8
The diagram below shows the spatial distribution of Nigeria's major soil types. Which of the following regions is NOT characterized by the presence of Alfisols?
A. North-Central Zone
B. South-West Zone
C. South-East Zone
Correct D. North-East Zone

Correct Answer: D

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Question 9
The diagram below shows the relationship between deforestation and soil erosion in Nigeria. What is the likely effect of deforestation on soil erosion?
Correct A. Increase
B. Decrease
C. No effect
D. Unpredictable

Correct Answer: A

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Question 10
The diagram below shows the spatial distribution of Nigeria's major water resources. Which of the following regions is NOT a major source of surface water?
A. North-Central Zone
B. South-West Zone
C. South-East Zone
Correct D. North-East Zone

Correct Answer: D

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Question 11
The Earth's rotation causes the Coriolis force to deflect moving objects to the right in the Northern Hemisphere and to the left in the Southern Hemisphere. Which of the following phenomena is an example of the Coriolis force?
Correct A. Hurricane formation
B. Tornado formation
C. Global wind patterns
D. Ocean currents

Correct Answer: A

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Question 12
The process of plate tectonics is responsible for the formation of mountain ranges. Which of the following types of plate boundaries is most likely to produce a mountain range?
A. Divergent boundary
Correct B. Convergent boundary
C. Transform boundary
D. Hotspot

Correct Answer: B

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Question 13
The diagram below shows a cross-section of a river delta. What is the name of the process that is responsible for the formation of the delta?
Correct A. Deposition
B. Erosion
C. Accretion
D. Subsidence

Correct Answer: A

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Question 14
The diagram below shows a graph of the relationship between temperature and altitude. What is the name of the process that is responsible for the decrease in temperature with altitude?
Correct A. Adiabatic cooling
B. Conduction
C. Convection
D. Radiation

Correct Answer: A

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Question 15
The diagram below shows a map of the world's major climate zones. What is the name of the climate zone that is characterized by high temperatures and high levels of rainfall throughout the year?
Correct A. Tropical rainforest
B. Desert
C. Temperate grassland
D. Polar tundra

Correct Answer: A

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Question 16
The concept of 'carrying capacity' in population studies refers to the maximum number of individuals of a species that an environment can support without degradation of the environment. Which of the following is a factor that affects carrying capacity?
Correct A. Availability of food resources
B. Predation pressure
C. Disease prevalence
D. Climate change

Correct Answer: A

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Question 17
A soil profile consists of the following horizons: A, B, C, and R. Which of the following is a characteristic of the B horizon?
A. High concentration of organic matter
B. High concentration of clay minerals
Correct C. High concentration of iron and aluminum oxides
D. High concentration of calcium carbonate

Correct Answer: C

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Question 18
A map scale is represented as 1:50,000. If the distance between two points on the map is 2 cm, what is the actual distance between the two points in meters?
A. 100 m
Correct B. 500 m
C. 1000 m
D. 5000 m

Correct Answer: B

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Question 19
The Niger Delta is a major wetland ecosystem in Nigeria. Which of the following is a characteristic of the Niger Delta?
A. High concentration of mangroves
B. High concentration of salt-tolerant plants
C. High concentration of freshwater fish species
Correct D. High concentration of oil and gas reserves

Correct Answer: D

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Question 20
A soil erosion control measure is the construction of terraces on sloping land. Which of the following is a benefit of terracing?
A. Increased crop yields
Correct B. Reduced soil erosion
C. Improved water retention
D. Increased soil fertility

Correct Answer: B

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Question 21
A map of the Niger Delta region shows a series of distributaries that branch off from the main stem of the Niger River. Which of the following processes is primarily responsible for the formation of these distributaries?
Correct A. Meandering
B. Erosion
C. Deposition
D. Tectonic activity

Correct Answer: A

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Question 22
The Earth's atmosphere is composed of several layers, including the troposphere, stratosphere, and mesosphere. Which of the following characteristics is unique to the stratosphere?
A. High temperature
B. Low pressure
Correct C. High ozone concentration
D. High humidity

Correct Answer: C

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Question 23
A city with a population of 500,000 has a growth rate of 3% per annum. Assuming a constant growth rate, what will be the population of the city after 10 years?
A. 600,000
B. 550,000
Correct C. 650,000
D. 700,000

Correct Answer: C

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Question 24
A river with a discharge of 100 m^3/s has a slope of 0.01. Assuming a constant slope, what will be the velocity of the river?
A. 1 m/s
B. 5 m/s
Correct C. 10 m/s
D. 20 m/s

Correct Answer: C

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Question 25
A soil sample has a pH of 6.5 and a texture of sandy loam. Which of the following soil types is most likely to be found in this soil?
A. Alfisol
B. Ultisol
Correct C. Mollisol
D. Inceptisol

Correct Answer: C

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