POST UTME UNN 2023 Geography | Objective

Are you preparing for POST UTME UNN exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2023 Geography (Objective) questions designed to simulate the real exam environment.

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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. Volcanic activity
D. Glacial activity

Correct Answer: B

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Question 2
The diagram below shows the cross-section of a soil profile in a tropical region of Nigeria. What is the primary process responsible for the formation of the topsoil?
Correct A. Weathering
B. Erosion
C. Deposition
D. Biological activity

Correct Answer: A

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Question 3
The map below shows the distribution of vegetation in Nigeria. What is the primary factor responsible for the distribution of vegetation in this region?
Correct A. Climate
B. Topography
C. Soil type
D. Water availability

Correct Answer: A

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Question 4
The diagram below shows the solar system. What is the primary reason for the elliptical shape of the orbits of the planets?
Correct A. Gravitational force
B. Electromagnetic force
C. Strong nuclear force
D. Weak nuclear force

Correct Answer: A

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Question 5
The diagram below shows the cross-section of a river. What is the primary process responsible for the formation of the meanders?
Correct A. Erosion
B. Deposition
C. Tectonic activity
D. Volcanic activity

Correct Answer: A

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Question 6
In a perfectly competitive market, the supply curve is upward-sloping because the firm's marginal cost curve lies below its average total cost curve. What is the implication of this relationship on the firm's profit maximization?
A. The firm will produce at the point where MC = ATC.
Correct B. The firm will produce at the point where MR = MC.
C. The firm will produce at the point where P = ATC.
D. The firm will not produce at all.

Correct Answer: B

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Question 7
A population of 1000 individuals is growing at a rate of 10% per annum. If the population is currently 500 males and 500 females, what is the expected number of females in the population after 5 years?
A. 600
B. 700
Correct C. 800
D. 900

Correct Answer: C

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Question 8
A firm is producing a good that has a market demand curve of Qd = 100 - 2P and a supply curve of Qs = 2 + 3P. What is the equilibrium price and quantity of the good in the market?
A. P = 20, Q = 60
B. P = 30, Q = 80
Correct C. P = 40, Q = 100
D. P = 50, Q = 120

Correct Answer: C

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Question 9
A rock is composed of 60% quartz, 20% feldspar, and 20% mica. If a sample of the rock weighs 100g, what is the weight of quartz in the sample?
Correct A. 60g
B. 40g
C. 30g
D. 20g

Correct Answer: A

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Question 10
A firm is producing a good that has a market demand curve of Qd = 100 - 2P and a supply curve of Qs = 2 + 3P. If the firm is currently producing at a quantity of 50 units, what is the firm's marginal revenue?
A. 20
Correct B. 30
C. 40
D. 50

Correct Answer: B

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Question 11
The process of soil formation in Nigeria is influenced by the type of rocks present in the region. Which of the following rocks is most likely to produce a highly fertile soil?
A. Granite
B. Basalt
Correct C. Limestone
D. Sandstone

Correct Answer: C

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Question 12
A map of Nigeria shows a region with a high concentration of population. Which of the following economic activities is most likely to be the primary source of income for the people living in this region?
Correct A. Agriculture
B. Mining
C. Manufacturing
D. Tourism

Correct Answer: A

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Question 13
The Niger Delta region of Nigeria is prone to soil erosion due to the high rainfall and human activities. Which of the following methods is most effective in preventing soil erosion in this region?
A. Afforestation
Correct B. Terracing
C. Conservation Tillage
D. Crop Rotation

Correct Answer: B

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Question 14
A diagram of the geological map of Nigeria shows a region with a high concentration of sedimentary rocks. Which of the following types of rocks is most likely to be present in this region?
A. Igneous
Correct B. Sedimentary
C. Metamorphic
D. Foliated

Correct Answer: B

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Question 15
A map of Nigeria shows a region with a high concentration of population and economic activities. Which of the following types of landforms is most likely to be present in this region?
Correct A. Plain
B. Plateau
C. Mountain
D. Valley

Correct Answer: A

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Question 16
Using the concept of isostasy, explain the formation of the Mid-Atlantic Ridge.
A. Thermal expansion of the Earth's mantle
Correct B. Plate tectonics and sea-floor spreading
C. Continental drift and oceanic crust formation
D. Volcanic activity and magmatic intrusion

Correct Answer: B

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Question 17
What is the primary factor controlling the distribution of vegetation in the savannas of Africa?
Correct A. Temperature and precipitation patterns
B. Soil type and nutrient availability
C. Fire frequency and intensity
D. Human activities and land use

Correct Answer: A

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Question 18
Using the concept of plate tectonics, explain the formation of the Himalayan mountain range.
Correct A. Continental collision between India and Eurasia
B. Subduction of the Indian plate under the Eurasian plate
C. Volcanic activity and magmatic intrusion
D. Weathering and erosion of the Indian plate

Correct Answer: A

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Question 19
What is the primary factor controlling the distribution of population in the cities of Nigeria?
Correct A. Economic opportunities and job availability
B. Access to education and healthcare
C. Availability of housing and infrastructure
D. Cultural and social factors

Correct Answer: A

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Question 20
Using the concept of climate change, explain the impact of global warming on the polar ice caps.
Correct A. Melting of the ice caps and sea-level rise
B. Disruption of global weather patterns and climate extremes
C. Loss of biodiversity and ecosystem disruption
D. Increased risk of natural disasters and extreme weather events

Correct Answer: A

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Question 21
Determine the rate of soil erosion in a given area using the Universal Soil Loss Equation (USLE). The area has a rainfall intensity of 50 mm/h, a slope length of 100 m, a slope steepness of 10%, and a soil erodibility factor of 0.2. The cover management factor is 0.8, and the conservation support practice factor is 0.9. What is the estimated soil loss (t/ha/year)?
Correct A. 10.4
B. 12.5
C. 15.6
D. 18.7

Correct Answer: A

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Question 22
A rock sample has a density of 2.5 g/cm³ and a volume of 50 cm³. What is the mass of the rock sample in grams?
Correct A. 125
B. 150
C. 175
D. 200

Correct Answer: A

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Question 23
A map shows a population density of 200 people/km² in a given area. If the area has a total population of 10,000 people, what is the total area in square kilometers?
A. 25
Correct B. 30
C. 35
D. 40

Correct Answer: B

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Question 24
A company produces 500 units of a product per day. If the product sells at ₦200 per unit, and the company operates for 300 days per year, what is the total revenue in naira?
A. ₦30,000,000
Correct B. ₦36,000,000
C. ₦42,000,000
D. ₦48,000,000

Correct Answer: B

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Question 25
A diagram shows a simple harmonic motion with a period of 2 seconds. If the amplitude is 5 cm, what is the maximum velocity in cm/s?
A. 10
Correct B. 20
C. 30
D. 40

Correct Answer: B

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