POST UTME OSUSTECH 2025 Geography | Objective

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Question 1
The Earth's rotation causes the apparent shift of the position of a star in the sky due to the finite speed of light. This phenomenon is known as
A. Aberation
Correct B. Aberration
C. Refraction
D. Diffraction

Correct Answer: B

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Question 2
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?
A. Meander
B. Oxbow Lake
C. Delta
Correct D. Waterfall

Correct Answer: D

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Question 3
The map below shows the distribution of population density in Nigeria. Which of the following regions has the highest population density?
A. North-Central
Correct B. South-West
C. North-East
D. South-South

Correct Answer: B

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Question 4
The diagram below shows a cross-section of a delta. Which of the following landforms is NOT a result of the river's depositional activity?
A. Delta
B. Barrier Island
C. Tombolo
Correct D. Waterfall

Correct Answer: D

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Question 5
The map below shows the distribution of rainfall in Nigeria. Which of the following regions receives the highest amount of rainfall?
Correct A. South-South
B. South-West
C. North-Central
D. North-East

Correct Answer: A

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Question 6
Analyze the relationship between the distribution of vegetation belts and the climate of Nigeria. Use the Köppen climate classification to support your answer.
Correct A. The distribution of vegetation belts in Nigeria is directly related to the climate, with tropical rainforests found in the south and savannas in the north.
B. The Köppen climate classification does not accurately represent the climate of Nigeria, as it does not account for the country's unique geography.
C. The distribution of vegetation belts in Nigeria is influenced by factors other than climate, such as soil type and topography.
D. The climate of Nigeria is characterized by a single dominant vegetation belt, with no variation across the country.

Correct Answer: A

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Question 7
A population of 100,000 people is growing at a rate of 2% per annum. If the population is currently 50% urban, what will be the population of the urban area in 10 years?
A. The population of the urban area will be 150,000.
Correct B. The population of the urban area will be 200,000.
C. The population of the urban area will be 250,000.
D. The population of the urban area will be 300,000.

Correct Answer: B

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Question 8
A river has a discharge of 100 m3/s and a slope of 0.01. If the river is 100 km long, what is the total energy of the river?
A. The total energy of the river is 10,000 J.
B. The total energy of the river is 20,000 J.
Correct C. The total energy of the river is 30,000 J.
D. The total energy of the river is 40,000 J.

Correct Answer: C

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Question 9
A firm is producing a good with a production function of Q = 2L + 3K, where L is labor and K is capital. If the price of labor is ₦100 per hour and the price of capital is ₦200 per unit, what is the total cost of producing 100 units of the good?
A. The total cost of producing 100 units of the good is ₦50,000.
Correct B. The total cost of producing 100 units of the good is ₦60,000.
C. The total cost of producing 100 units of the good is ₦70,000.
D. The total cost of producing 100 units of the good is ₦80,000.

Correct Answer: B

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Question 10
A company is producing a product with a demand function of P = 100 - 2Q, where P is price and Q is quantity. If the company wants to maximize its profit, what is the optimal quantity to produce?
A. The optimal quantity to produce is 20 units.
Correct B. The optimal quantity to produce is 30 units.
C. The optimal quantity to produce is 40 units.
D. The optimal quantity to produce is 50 units.

Correct Answer: B

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Question 11
The process of weathering that involves the breakdown of rocks into smaller fragments due to the expansion and contraction of water within the rock's pores is known as:
A. Mechanical weathering
Correct B. Chemical weathering
C. Physical weathering
D. Biological weathering

Correct Answer: B

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Question 12
The diagram below shows the relationship between the Earth's distance from the Sun and the amount of solar energy it receives. Which of the following best describes the relationship?
A. Directly proportional
Correct B. Inversely proportional
C. No relationship
D. Indirectly proportional

Correct Answer: B

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Question 13
The following table shows the relationship between the amount of rainfall and the type of vegetation in a particular region. What type of vegetation is most likely to be found in areas with high rainfall?
Correct A. Tropical rainforest
B. Savanna
C. Grassland
D. Desert

Correct Answer: A

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Question 14
The diagram below shows the structure of a typical cell. Which of the following organelles is responsible for protein synthesis?
A. Nucleus
B. Mitochondria
Correct C. Ribosomes
D. Lysosomes

Correct Answer: C

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Question 15
The following equation represents the relationship between the amount of water in a river and the amount of sediment it carries. What is the value of x when the amount of water is 1000 m³ and the amount of sediment is 500 kg?
A. 0.5
Correct B. 1
C. 2
D. 5

Correct Answer: B

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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 sustainably support. Which of the following factors is NOT a determinant of carrying capacity?
A. Food availability
B. Water availability
C. Climate
Correct D. Technological advancements

Correct Answer: D

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Question 17
The Earth's magnetic field is generated by the movement of molten iron in its outer core. What is the primary process responsible for this movement?
Correct A. Convection currents
B. Thermal expansion
C. Electromagnetic induction
D. Gravitational forces

Correct Answer: A

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Question 18
The savannas of Africa are characterized by a distinct vegetation belt. Which of the following is NOT a feature of this belt?
A. Tall grasses
B. Acacia trees
Correct C. Dense forests
D. Open woodlands

Correct Answer: C

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Question 19
The Niger Delta is a major economic hub in Nigeria, with significant oil and gas reserves. What is the primary economic activity in this region?
A. Agriculture
B. Mining
C. Manufacturing
Correct D. Petroleum extraction

Correct Answer: D

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Question 20
The process of plate tectonics is responsible for the formation of various landforms. Which of the following landforms is NOT a result of plate tectonics?
A. Volcanoes
B. Mountains
C. Islands
Correct D. Dunes

Correct Answer: D

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Question 21
In a landscape of alternating sandstone and shale, the sandstone layers are more resistant to erosion due to their higher _______ compared to the shale layers.
Correct A. density
B. porosity
C. permeability
D. compressibility

Correct Answer: A

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Question 22
The population growth rate of a city is influenced by the _______ of its residents, which in turn affects the city's economic development.
Correct A. age structure
B. sex ratio
C. education level
D. income distribution

Correct Answer: A

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Question 23
The process of soil formation involves the breakdown of rocks into _______ through physical and chemical weathering.
A. sediments
Correct B. regolith
C. soil particles
D. minerals

Correct Answer: B

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Question 24
The economic development of a region is often hindered by the lack of access to _______ resources, which can lead to poverty and inequality.
Correct A. natural
B. human
C. financial
D. infrastructure

Correct Answer: A

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Question 25
The environmental impact of human activities can be mitigated through the implementation of _______ practices, such as recycling and reducing waste.
Correct A. sustainable
B. environmental
C. conservation
D. renewable

Correct Answer: A

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