POST UTME LASU 2017 Geography | Objective

Are you preparing for POST UTME LASU exams? Reviewing past questions is one of the most effective ways to guarantee a high score. This practice hub features authentic 2017 Geography (Objective) questions designed to simulate the real exam environment.

Practice these randomly selected questions to test your readiness.

Question 1
The diagram below illustrates a process of soil formation. What is the primary agent responsible for the formation of the soil profile?
Correct A. Weathering
B. Erosion
C. Deposition
D. Biological activity

Correct Answer: A

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Question 2
A rock is subjected to high pressure and temperature over millions of years. What is the likely outcome?
Correct A. The rock will undergo metamorphism
B. The rock will be eroded
C. The rock will be deposited
D. The rock will be weathered

Correct Answer: A

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Question 3
The diagram below illustrates a cross-section of the Earth's atmosphere. What is the primary function of the stratosphere?
A. To regulate Earth's temperature
Correct B. To protect the Earth from harmful radiation
C. To facilitate the formation of clouds
D. To influence the Earth's rotation

Correct Answer: B

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Question 4
A river flows through a valley and carries a large amount of sediment. What is the likely outcome?
Correct A. The sediment will be deposited at the river mouth
B. The sediment will be carried to the ocean
C. The sediment will be eroded by the river
D. The sediment will be deposited at the river bend

Correct Answer: A

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Question 5
The diagram below illustrates a process of plate tectonics. What is the primary mechanism responsible for the movement of the Earth's crust?
A. Continental drift
B. Sea-floor spreading
Correct C. Convection currents
D. Weathering and erosion

Correct Answer: C

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Question 6
A river's discharge is affected by its slope, which is influenced by the surrounding landscape. What is the primary factor that determines the slope of a river?
A. Tributary junctions
B. Waterfall
Correct C. River gradient
D. Meandering

Correct Answer: C

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Question 7
A soil profile is characterized by a sequence of distinct layers. What is the primary process responsible for the formation of these layers?
Correct A. Weathering
B. Erosion
C. Deposition
D. Leaching

Correct Answer: A

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Question 8
A map is a representation of the Earth's surface. What is the primary purpose of a map's legend?
A. To provide a scale
Correct B. To identify symbols
C. To indicate direction
D. To show elevation

Correct Answer: B

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Question 9
A climate is characterized by its temperature and precipitation patterns. What is the primary factor that determines a climate's temperature?
Correct A. Latitude
B. Elevation
C. Distance from the equator
D. Ocean currents

Correct Answer: A

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Question 10
A vegetation belt is a region characterized by a specific type of vegetation. What is the primary factor that determines the type of vegetation in a region?
Correct A. Climate
B. Soil type
C. Topography
D. Distance from the equator

Correct Answer: A

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Question 11
The Niger Delta region is characterized by a complex network of rivers and creeks. What is the primary reason for this complex network?
A. Tectonic activity
B. Volcanic activity
Correct C. River erosion and deposition
D. Sea level changes

Correct Answer: C

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Question 12
A rock sample is collected from the Basement Complex of Nigeria. What type of rock is it likely to be?
A. Igneous
B. Sedimentary
Correct C. Metamorphic
D. Hydrothermal

Correct Answer: C

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Question 13
The process of soil formation involves the interaction of several factors. Which of the following is NOT a factor in soil formation?
A. Weathering
Correct B. Erosion
C. Deposition
D. Biological activity

Correct Answer: B

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Question 14
The Earth's atmosphere is composed of several layers. Which of the following layers is NOT a part of the Earth's atmosphere?
A. Troposphere
B. Stratosphere
C. Mesosphere
Correct D. Magnetosphere

Correct Answer: D

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Question 15
The population of Nigeria is growing at a rate of 2.5% per annum. What is the expected population in 10 years?
A. 50 million
B. 60 million
Correct C. 70 million
D. 80 million

Correct Answer: C

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Question 16
The concept of 'carrying capacity' in population studies is closely related to the idea of 'threshold' in environmental science. What is the primary difference between these two concepts?
Correct A. Carrying capacity refers to the maximum number of individuals an environment can support, while threshold refers to the point at which environmental degradation becomes irreversible.
B. Carrying capacity is a measure of the number of individuals an environment can support, while threshold is a measure of the rate at which environmental degradation occurs.
C. Carrying capacity is a concept used in population studies, while threshold is a concept used in environmental science.
D. Carrying capacity and threshold are interchangeable terms in environmental science.

Correct Answer: A

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Question 17
A river with a high gradient and a narrow valley is more likely to experience which of the following landforms?
A. Meandering
B. Braided
Correct C. Waterfall
D. Delta

Correct Answer: C

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Question 18
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. Freeze-thaw weathering
D. Abrasion

Correct Answer: C

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Question 19
The savannas of Africa are characterized by a type of vegetation known as?
A. Tropical rainforest
Correct B. Savanna grassland
C. Mangrove forest
D. Desert scrub

Correct Answer: B

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Question 20
The concept of 'sustainability' in environmental science refers to the ability of an ecosystem to?
A. Support a large population of humans
Correct B. Maintain its biodiversity over time
C. Regulate its own population size
D. Adapt to changing environmental conditions

Correct Answer: B

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Question 21
The Earth's rotation causes a phenomenon known as the Coriolis effect, which influences global weather patterns. What is the primary reason for the Coriolis effect?
A. The Earth's rotation causes the atmosphere to deflect to the right in the Northern Hemisphere and to the left in the Southern Hemisphere.
B. The Coriolis effect is caused by the uneven distribution of land and sea on the Earth's surface.
C. The Coriolis effect is a result of the Earth's slightly ellipsoidal shape.
Correct D. The Coriolis effect is caused by the Earth's rotation and the movement of air masses.

Correct Answer: D

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Question 22
A population of 100,000 people is growing at a rate of 2% per annum. What is the population after 5 years?
Correct A. 120,000
B. 110,000
C. 130,000
D. 140,000

Correct Answer: A

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Question 23
A map shows a river flowing through a valley. What type of map is this?
Correct A. Topographic map
B. Political map
C. Thematic map
D. Hybrid map

Correct Answer: A

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Question 24
The Niger Delta is a region of high population density and economic activity. What is the primary reason for this?
A. The Niger Delta is a region of high agricultural productivity.
B. The Niger Delta is a region of high industrial activity.
Correct C. The Niger Delta is a region of high population density and economic activity due to its location on the coast.
D. The Niger Delta is a region of high population density and economic activity due to its fertile soil.

Correct Answer: C

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Question 25
The savanna biome is characterized by a dry season and a wet season. What is the primary reason for this?
A. The savanna biome is located near the equator.
B. The savanna biome is located in a region with a high level of rainfall.
Correct C. The savanna biome is characterized by a dry season and a wet season due to its location in a region with a high level of rainfall variability.
D. The savanna biome is characterized by a dry season and a wet season due to its location in a region with a high level of temperature variability.

Correct Answer: C

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